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| | Control flow - definition of Control flow in Encyclopedia |
 | | In computer science and in computer programming, statements in pseudocode or in a program are normally obeyed one after the other in the order in which they are written (sequential flow of control). | | | Other research showed that control structures with one entry and one exit were much easier to understand than any other form, primarily because they could be used anywhere as a statement without disrupting the control flow. | | | At the machine/assembly language level, it is usually the case that the only instructions available for handling choice and/or loops are goto and conditional goto (often known as variations of jump and/or branch). |
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http://encyclopedia.laborlawtalk.com/Control_flow
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| | Avrora - Control Flow Graph Tool |
| | A control flow graph is a representation of a program where contiguous regions of code without branches, known as basic blocks, are represented as nodes in a graph and edges between nodes indicate the possible flow of the program. | | | A textual control flow graph becomes less useful as the size and complexity of the program increases. | | | There is, however, a way to specify the targets of these indirect control flow instructions so that those edges appear in the control flow graph that is generated. |
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http://compilers.cs.ucla.edu/avrora/cfg.html
(627 words)
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| | OMEGA ENGINEERING - Flow Control |
| | Discharge through weirs and flumes is a function of level, so level measurement techniques must be used with the equipment to determine flow rates. | | | In such cases, the device serves as a flow indicator. | | | The measurement of liquid flows in open channels generally involves weirs and flumes. |
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http://www.omega.com/techref/flowcontrol.html
(5120 words)
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| | RFC 1080 (rfc1080) - Telnet remote flow control option |
| | In a telnet environment, flow control is normally done by the user telnet process, not by the host computer. | | | Thus this RFC defines a way to propagate flow control status from the host computer to the user telnet process. | | | The option described herein is useful primarily where software flow control is being used. |
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http://www.faqs.org/rfcs/rfc1080.html
(854 words)
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| | Graduate Courses in Aero/Mech Engineering |
| | Spurred by the recent developments in chaos control, microfabrication and neural networks, reactive control of turbulent flows is now in the realm of the possible for future practical devices. | | | Such control strategies are envisioned to target specific coherent structures (which are omnipresent in all turbulent shear flows), to employ arrays of microsensors/microactuators, and to exercise minimized cost functions. | | | Futuristic reactive control methods using MEMS devices, soft computing, and dynamical systems theory. |
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http://www.nd.edu/~ame/graduate/ame.610.html
(485 words)
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| | Summary of Control Flow Statements |
| | For controlling the flow of a program, the Java programming language has three loop constructs, a flexible | | | statement terminates the current iteration of the innermost loop and evaluates the boolean expression that controls the loop. | | | Some branching statements change the flow of control in a program to a labeled statement. |
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http://java.sun.com/docs/books/tutorial/java/nutsandbolts/flowsummary.html
(333 words)
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| | Ovidiu Predescu's Weblog: Model-View-Controller in Cocoon using continuations-based control flow |
| | In Cocoon, the Controller is a specialized engine which uses a modified Rhino JavaScript implementation which supports continuations as first class objects. | | | This value could be extracted in the sitemap from the requested URL, from a POST or GET parameter etc. When the computation stored in the continuation object is restarted, it appears as if nothing happened, all the local and global variables have exactly the same values as they had when the computation was stopped. | | | In more complex applications, the flow of pages can be thought of smaller sequences of pages which are composed together. |
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http://www.webweavertech.com/ovidiu/weblog/archives/000042.html
(1436 words)
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| | Control flow graph - Wikipedia, the free encyclopedia |
| | A control flow graph (CFG) is a representation, using graph notation, of all paths that might be traversed through a program during its execution. | | | Again, dead code and some infinite loops are possible even if the programmer didn't explicitly code that way: optimizations like constant propagation and constant folding followed by jump threading could collapse multiple basic blocks into one, cause edges to be removed from a CFG, etc., thus possibly disconnecting parts of the graph. | | | Directed edges are used to represent jumps in the control flow. |
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http://en.wikipedia.org/wiki/Control_flow_graph
(759 words)
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| | Control Flow Statements |
| | In the sections that follow, the notation here is used to describe the general form of a control flow statement. | | | The Java programming language provides several control flow statements, which are listed in the following table. | | | When writing a program, you type statements into a file. |
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http://java.sun.com/docs/books/tutorial/java/nutsandbolts/flow.html
(196 words)
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| | Renewable Energy Annual 1996 |
| | The distinction between legislated and economic flow control is critical to the development of defense strategies against legal challenges. | | | Legal flow control can be implemented in several ways. | | | This controversial issue, which significantly affects everyday life in our solid waste management systems, is creating much uncertainty as it works its way through the judicial system. |
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http://www.eia.doe.gov/cneaf/solar.renewables/renewable.energy.annual/chap09.html
(5385 words)
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| | Limits of Control Flow on Parallelism |
| | Finally, without speculative execution to allow instructions to execute before their control dependences are resolved, only modest amounts of parallelism can be obtained for programs with complex control flow. | | | Higher performance can be obtained with machines, such as multiprocessors and dataflow machines, that can simultaneously follow multiple flows of control. | | | We evaluate these techniques by using trace simulations to find the limits of parallelism for machines that employ different combinations of these techniques. |
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http://suif.stanford.edu/papers/lam92/paper.html
(175 words)
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| | Papers in Congestion Control |
| | The goal is to design flow control algorithms which provide time-scale invariant, fair, stable, and robust performance. | | | Delay is highly variable, and hence the scheme is a study in the use of advanced filtering techniques to obtain the required congestion information. | | | NETBLT (NETwork BLock Transfer) is a transport level protocol intended for the rapid transfer of a large quantity of data between computers. |
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http://www.ecse.rpi.edu/Homepages/shivkuma/research/cong-papers.html
(3147 words)
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| | The Old New Thing : A rant against flow control macros |
| | Obscuring the code flow is bad, but filigree code flows are at least as bad. | | | I wish there was a better approach that didn't have the fundamental problems with exceptions, but I'll personally take the control flow macros over (a) convoluted control flow like nested ifs or (b) the repeated possibility of mistakes in the error checking logic. | | | exceptions, but it's not possible to write reliable general purpose software that uses them for general error control flow. |
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http://blogs.msdn.com/oldnewthing/archive/2005/01/06/347666.aspx
(6620 words)
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| | Infolio Gnutella Development Directory |
| | The Implementation of the Flow Control Algorithm for the Distributed 'Broadcast-Route' Networks in the Finite Message Size Case (HTML) (270 K) and Word Document (400 K). | | | This document describes the theoretical approach to the flow control in the distributed Gnutella-type networks. | | | This document describes the practical approach to the flow control implementation. |
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http://www.grouter.net/gnutella
(323 words)
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| | Flow-Control Mechanisms (Linktionary term) |
| | In contrast, flow controls are used between end systems. | | | Reliable delivery mechanisms provide a way for a receiving system to acknowledge that it has received a packet, and a way for the sender to know that it must retransmit a lost or corrupted packet. | | | There are a few Internet RFCs related to flow control, including the original TCP RFCs: |
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http://www.linktionary.com/f/flow_control.html
(600 words)
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| | Struts Flow - Apache Struts - Struts Flow |
| | While the initial target of the extracted Control Flow is Struts, the Flow code and Javascript extensions are reusable from other non-Struts environments. | | | Since continuations are best implemented in Javascript, Struts Flow also focuses on making Javascript easier to use and better integrated into the Java environment borrowing several ideas from Groovy. | | | The quickest way to understand how Struts Flow works is to take a look at the examples below, and even to download and run them yourself. |
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http://struts.apache.org/struts-flow
(720 words)
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| | bramcohen: Control flow |
| | As coded, you have two ways of exitting each loop (loopa and loopb); you've made 'x' and 'y' the primary loop controls, and 'something' and 'something else' the exceptional events that trigger switching to the other loop. | | | If I'm not confused, your original request can be satisfied with any C-like language that has named break/continue, without using gotos, using exactly two exceptional flow control statements (e.g. | | | My examples are ones which are both fairly safe programming practice and fairly easy to understand. |
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http://bramcohen.livejournal.com/17892.html
(2593 words)
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| | Control-Flow Integrity Lambda the Ultimate |
| | Moreover, CFI enforcement is practical: it is compatible with existing software and can be done efficiently using software rewriting in commodity systems. | | | Current software attacks often build on exploits that subvert machine- code execution. | | | Control-Flow Integrity (CFI) means that the execution of a program dynamically follows only certain paths, in accordance with a static policy. |
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http://lambda-the-ultimate.org/node/view/1029
(299 words)
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| | Technical Reference Infobase: Flow Control |
| | Also, binary files must never be sent using software flow control, as binary files can contain the control characters. | | | This is faster and much more reliable than software flow control. | | | Flow control exists as either software, or XON/XOFF, flow control, or hardware (RTS/CTS) flow control. |
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http://www.modem.com/glossary/glos4.html
(185 words)
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| | Process Control Contents |
| | We are in need to implement Dicerete PID function in flow control loop. | | | Require Software for carbon potential controller (March 05, 2006) | | | Can anyone say that turndown ration of orifice flow meter depends on which parameters? |
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http://www.control.com/topic_page?use_category=process_cat
(898 words)
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| | Flow of control analysis |
| | We won't, unfortunately, be going deeper into questions such as "did you handle all possible values of this variable." Maybe sometime in the future, but that's beyond the capabilities of the code today. | | | This allows us to track at compile-time the ways in which a method can execute and then give the user warnings based on that analysis. | | | BTW Paul, since the compilers are now free, why dont you release public beta copies so a lot more people can test-drive them? |
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http://www.panopticoncentral.net/archive/2003/11/16/242.aspx
(1329 words)
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| | IBT - Solving Pivot Pressure Variances With Flow Control Devices |
| | It is important to evaluate the impact of field elevation changes on sprinkler flow rate when either installing a sprinkler package on a new system or replacing sprinklers on an existing system. | | | If the field elevation difference is greater than the value in this table, consider adding regulators to your center pivot system. | | | This limits the use of flow control nozzles on many low- and high-pressure systems. |
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http://www.irrigation.org/ibt/_9810/feature5.html
(1350 words)
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| | UCSD Flow Control Lab |
| | The research interests of our lab focus on the control, forecasting, and optimization of laminar and turbulent flows. | | | -based nonlinear optimization strategies, in both the optimal and noncooperative settings, applied in the analysis, optimization, control, and forecasting context over finite horizons to turbulent flow systems, and | | | modern linear and nonlinear control and optimization theory, |
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http://turbulence.ucsd.edu
(301 words)
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| | Papers |
| | Design and Analysis of a Flow Control Algorithm for a Network of Rate Allocating Servers, in "Protocols for High Speed Networks II", published by IFIP Press, April 1991. | | | Keshav, Congestion Control in Computer Networks PhD Thesis, published as UC Berkeley TR-654, September 1991. | | | Keshav, A Mechanism for Congestionn Control in Computer Networks, Unpublished preprint, April 1989. |
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http://www.cs.cornell.edu/skeshav/papers.html
(816 words)
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| | Control of Flow Separation by means of electromagnetic forces |
| | In the right figure, current is fed to the electrodes, therefore a Lorentz force acts in flow direction and keeps the boundary layer attached. | | | Direct numerical simulations at low Reynolds numbers confirm the physical tendencies of the experiments. | | | Flow separation imposes severe limitations on the design and operation of several fluid mechanic devices. |
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http://www.fz-rossendorf.de/FWS/FWSH/EBLC/separation-control/separation-control.html
(1425 words)
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| | Blogging Roller: JSP Control Flow engine. |
| | I'll implement a more complex example once I've figured out how to make Control Flow work with Struts. | | | In a real world application, we would probably want to call out to application logic written in Java and we would probably want to put some more complex objects into request scope for display on the JSP page. | | | For this installment, I have implemented a simple web application that uses that Control Flow engine for all application logic and uses JSP for presentation. |
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http://www.rollerweblogger.org/comments/roller/blog/jsp_control_flow_engine
(651 words)
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| | Apache Cocoon - Control Flow |
| | In such cases it's much easier to think of and implement the application as a program, rather than a FSM. | | | If you see any errors or potential improvements in this document please help us: View, Edit or comment on the latest development version (registration required). | | | By using a high level programming concept called continuations, Cocoon tries to solve this problem, and promises to allow the control flow in Web applications to be modeled as a normal program. |
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http://cocoon.apache.org/2.1/userdocs/flow
(256 words)
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| | Hays Fluid Controls- Hydronic Balancing Solutions |
| | Hays Fluid Controls is a member of ASHRAE. | | | Hays also manufactures other quality fluid control products including Flow Meters, Solenoid Valves, Flow Computers, and Industrial Flow Control Valves. | | | Hays Fluid Controls is proud to be a Romac Industries Company. |
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http://www.haysfluidcontrols.com
(110 words)
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| | Define flow control - a definition from Whatis.com |
| | Flow control is the management of data flow between computers or devices or between nodes in a network so that the data can be handled at an efficient pace. | | | In a network, flow control can also be applied by refusing additional device connections until the flow of traffic has subsided. | | | Define flow control - a definition from Whatis.com |
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http://whatis.techtarget.com/definition/0,,sid9_gci212135,00.html?track=NL-37&ad=493405
(183 words)
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| | Quinn Associates represents Measurement, Control and Flow Products |
| | Turbine Flowmeters, Liquid or Gas, Very Low to High Flow Rates, Insertion Probe Flowmeters, Cryogenic Flowmeters, Mass or Volume Flow Systems, Flow Computers and Readouts, Flow Switches, Smart Flow Transmitters, Sanitary 3A Flowmeters, Positive Displacement (PD) Flowmeters, Custom Flowmeters. | | | Ultrasonic Level Transmitters, Tank Farm Level Systems, Open Channel Flow Monitors, Doppler Flowmeters, Portable Doppler Flowmeters, Flow Switches, Lift Station Level Controllers/Transmitters, Area-Velocity Flowmeters, and Transit Time Flowmeters. | | | Diaphragm Operated Valves both Metal and Plastic, Solenoid and Float Operated, Stagers, Electronic Controllers, Flowmeters, and Stainless Steel Valves. |
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http://www.quinnassociates.com
(319 words)
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| | Advanced Control Flow |
| | elements allow you to specify the files that make up the flow for this sitemap. | | | The Cocoon Sitemap provides two elements to specify interactions with your Flowscripts: flow, and call. |
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http://www.sil.org:8090/docs/userdocs/flow/sitemap.html
(149 words)
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| | Flow Control Valves |
| | The rated output of Series FC flow controls will vary ±10 percent with Buna-N assemblies and ±15 percent with EPDM assemblies. | | | Flow increments: 1/4, 1/2, 3/4, 1, 1-1/2, and 2 GPM (1.0, 1.9, 2.8, 3.8, 5.7, and 7.6 l/m) flow rates, then in 1 GPM (3.8 l/m) increments from 3 to 120 GPM (22.7 to 454.2 l/m). | | | The Series "FC" flow controls are used to maintain a constant pre-determined flow in a system. |
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http://www.plastomatic.com/fc.html
(437 words)
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| | Control flow: Builtin switch statement - |
| | The semantics are particularly rich, allowing any one (or more) of nearly 30 forms of matching to be used when comparing a switch value with its various cases. | | | Regardless of the type of argument, its value is stored as the current switch value in an inaccessible localized control variable. | | | The switch value is followed by a block, which may contain any statements, including zero or more |
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http://dev.perl.org/rfc/22.html
(653 words)
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| | PHP Control Flow |
| | These days where ease of programming are paramount - relaxing the constraints in loop structure which is comparatively easy to optimize underneath in the compiler/interpreter is a big win for developers. | | | The following are examples of the different control loops. | | | PHP then extends the ideas of C, Java and Perl control of flow and looping functionality - giving them more of the ease of use associated with Visual Basic or Ruby. |
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http://www.theopensourcery.com/phpcontrol.htm
(921 words)
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| | Flow-Control Management IDT |
| | Flow-control management devices are a new category of semiconductor solutions that save precious design time and resources by replacing expensive ASICs and FPGAs ordinarily used to solve data-flow-control issues in a communications system design. | | | Data-Flow Control in the Internet Infrastructure (White Paper) |
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http://www.idt.com/?id=27
(79 words)
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| | Hoffer Flow Controls |
| | Until the last few years, there has been a limitation on how deep underwater a reserve could be tapped. | | | Hoffer Flow Controls is pleased to present the CAT Series of flow electronics, a new compact design of flow conditioners, amplifiers, and transmitters for use in combination with Hoffer turbine flowmeters. | | | This trio of microprocessor based devices is capable of providing signal conditioning and amplification, as well as signal transmission depending on customer needs. |
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http://www.hofferflow.com
(292 words)
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| | Control flow |
| | statement provides many ways for you to make the Java virtual machine decide between two alternative paths of program flow. | | | All Java programs are compiled into class files that contain bytecodes, the machine language of the Java virtual machine. | | | With code samples, tables, and a Java virtual machine simulation, here's a look at the bytecodes of the Java virtual machine that deal with control flow |
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http://www.javaworld.com/javaworld/jw-03-1997/jw-03-hood.html
(1113 words)
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| | Connected: An Internet Encyclopedia - Flow Control |
| | Sliding window algorithms, used by TCP, permit multiple data packets to be in simultaneous transit, making more efficient use of network bandwidth. | | | In both cases, flow control is needed to pace the data transfer at an acceptable speed. | | | Request/reply flow control requires each data packet to be acknowledge by the remote host before the next packet is sent. |
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http://ie.activedomain.org/6.htm
(270 words)
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| | Brooks Instrument-Flow meters & controllers-thermal mass, Coriolis, variable area, purgemeters. |
| | They’re trained to help you select the optimal solution for your flow measurement and control needs. | | | The Brooks line also features a number of other technologies to meet virtually any flow challenge including Coriolis mass flow meters and controllers, purge meters, and positive displacement meters. | | | Emerson Process Management has formed a strategic alliance with MSP Corporation to incorporate Brooks Instrument flow control technologies into the design of the MSP Model 2800 Turbo-Vaporizer™ |
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http://www.emersonprocess.com/brooks
(343 words)
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| | Advanced Control Flow - Continuations |
| | Using this approach you no longer have to think of your Web application as a finite state machine, which transitions from one state to another, and in the process generates response pages. | | | This approach looks very powerful, since the flow of pages within the application can be described as a normal program. | | | This request resumes the processing at the point it was left, right after the call to |
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http://cocoon.apache.org/2.1/userdocs/flow/continuations.html
(475 words)
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| | Transmit flow control - Wikipedia, the free encyclopedia |
| | Transmit flow control: In data communications systems, control of the rate at which data are transmitted from a terminal so that the data can be received by another terminal. | | | Note 2: Transmit flow control can occur independently in the two directions of data transfer, thus permitting the transfer rates in one direction to be different from the transfer rates in the other direction. | | | The transmission rate may be controlled because of network or DTE requirements. |
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http://www.encyclopedia-online.info/Flow_control
(134 words)
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| | Control Flow [EA User Guide] |
| | Control flow connectors bridge the flow between activity nodes, by directing the flow to the target node once the source node's activity is completed. | | | Control Flows and Object Flows may define a Guard and a Weight condition. | | | The control flow is a connector linking two nodes in an Activity diagram. |
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http://www.sparxsystems.com.au/EAUserGuide/controlflow.htm
(184 words)
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| | Flow control feedback |
| | Flow control is a mechanism created to manage the flow of data between two full-duplex Ethernet devices. | | | Cisco's edge devices don't initiate flow control messages to remove the possibility of an edge switch slowing the core network. | | | Through flow control, a device that is oversubscribed - either macroscopically from a system resource perspective or microscopically on a port-by-port basis - sends a pause message to its link partner to temporarily reduce the amount of data it's transmitting. |
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http://www.networkworld.com/netresources/0913flow.html
(638 words)
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| | Lee presents App. Note: Valve Flow Control Using Pulse Width Modulation |
| | This ratio of maximum total flow to minimum total flow is sometimes called the "turn-down ratio" of a valve or system. | | | For example, if a valve can flow 3.0 liters per minute in the full on state, then the valve is cycled so that it is ON for 33% of the time, the valve will flow approximately 33% of the total flow capacity, or about 1 liter per minute. | | | Pulse width modulation (PWM) can be used to control average flow by varying the valve duty cycle on some (usually) fixed base frequency to match the flow requirement. |
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http://www.theleeco.com/EFSWEB2.NSF/1c6397740f8b45e1852563b9006d6bc6/893720ad39a7fc18852564bc006f7f2e!OpenDocument
(324 words)
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| | Cashco Flow Characteristics |
| | The percent of full flow through the valve is plotted against valve stem position. | | | This is necessary because most control loops have some inherent nonlinearities, which you can compensate for when selecting control valve trim. | | | Because of the variation in trim design, many valves are not linear in nature. |
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http://www.maintenanceresources.com/ReferenceLibrary/ControlValves/CashcoFlowChar.htm
(348 words)
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| | Amazon.com: Flow Control: Passive, Active, and Reactive Flow Management: Books: Mohamed Gad-el-Hak |
| | The author explores the frontiers of flow control strategies, especially as applied to turbulent flows. | | | Flow Control is certainly one of the best books this reviewer has read in the recent years. | | | Intended for engineering and physics students, researchers, and practitioners, Flow Control brings together in a single source a wealth of state-of-the-art information on this very active field. |
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http://www.amazon.com/exec/obidos/tg/detail/-/0521770068?v=glance
(851 words)
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| | Jordan Valve Low Flow Control Valves |
| | Series 8000: heavy-duty pneumatic control valves for process applications with flow requirements from Cv 0.05 to 25. | | | Mark 709 Three-Way Valve: for low flow process applications requiring a three way body for mixing two separate flow sources into one common line. | | | Compact, lightweight design for precise control in pilot plants, RandD facilities, and low flow process applications. |
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http://www.valvedepot.com/catalogue/control/060356301.htm
(430 words)
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