chapter 10 debugging and error handling

Chapter 6 Debugging and error handling

Ngày tải lên : 13/05/2014, 11:30

... Exception Handling: try…catch finally Exception Handling: try…catch try{ // code that may cause exception } catch ( ExceptionTypeA e ){ // statement to handle errors occurring // in ... > 0) errorProvider1.SetError(txtX, ""); else { errorProvider1.SetError(txtX, "Please enter a value > 0"); txtX.Focus(); // e.Cancel = true; } } catch (Exception ex) { errorProvider1.SetError(txtX, ... FormatException error ) { MessageBox.Show( error. Message, "Invalid Operation", MessageBoxButtons.OK, MessageBoxIcon .Error ); } // BẮT lỗi nhập số âm catch ( NegativeNumberException error ) { MessageBox.Show(...

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Tài liệu Chapter 10 - Planning and Cabling Networks CCNA Exploration 4.0 ppt

Ngày tải lên : 22/12/2013, 13:17

... intermediate and end device connections in a LAN – Identify the pin out configurations for straight-through and crossover cables Identify the different cabling types, standards and ports used ... • Similar to the switch, cost and interface types and speeds must be considered as well Additional factors: – Expandability – Media – Operating System Features Expandability • Fixed configurations ... today's needs? – A mixture of UTP speeds? – Both UTP and fiber ports? • The number of UTP ports and fiber ports will be needed The number of Gbps ports and 10/100 Mbps ports H c vi n m ng Bách khoa...

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Tài liệu Dive Into Python-Chapter 6. Exceptions and File Handling doc

Ngày tải lên : 26/01/2014, 08:20

... silently 6.2.3 Handling I/O Errors Now you've seen enough to understand the file handling code in the fileinfo.py sample code from teh previous chapter This example shows how to safely open and read ... find an import that works Further Reading on Exception Handling * Python Tutorial discusses defining and raising your own exceptions, and handling multiple exceptions at once * Python Library Reference ... the source I'm sure you've experienced this, and you know it's not fun With exceptions, errors occur immediately, and you can handle them in a standard way at the source of the problem 6.1.1...

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Tài liệu Dive Into Python-Chapter 10. Scripts and Streams docx

Ngày tải lên : 26/01/2014, 08:20

... Standard input, output, and error UNIX users are already familiar with the concept of standard input, standard output, and standard error This section is for the rest of you Standard output and ... shows how Python can be used to create a "real" standalone command-line script, complete with command-line flags, command-line arguments, error handling, even the ability to take input from the ... choosing a random one is easy Python comes with a module called random which includes several useful functions The random.choice function takes a list of any number of items and returns a random item...

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Chapter 10 Pointers and Dynamic Arrays potx

Ngày tải lên : 01/04/2014, 22:21

... Pearson AddisonWesley All rights reserved 10-25 Dynamic and Automatic Variables ♦ Dynamic variables ♦ Created with new operator ♦ Created and destroyed while program runs ♦ Local variables ♦ Declared ... AddisonWesley All rights reserved 10-42 Back to Classes ♦ The -> operator ♦ Shorthand notation ♦ Combines dereference operator, *, and dot operator ♦ Specifies member of class "pointed to" by given pointer ... So assignment "chains" are possible ♦ e.g., a = b = c; ♦ Sets a and b equal to c ♦ Operator must return "same type" as it’s left-hand side ♦ To allow chains to work ♦ The this pointer will help...

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Chapter 10:Criteria and Test Types doc

Ngày tải lên : 27/06/2014, 09:20

... instructions)  Another practical consideration concerns the answer sheets and the stationery used  Test instructions to the candidates All instructions are clearly written  Samples are given  Grammatical ... capable of measuring specific characteristics in accordance with a theory of language behavior and learning  For example, a test consisting of multiple choice items will lack construct validity ... test with the results of some criterion measure such as:   An existing test, known to be valid and given at the same time The teacher’s ratings or any other such form of independent assessment...

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Practical mod_perl-CHAPTER 21:Error Handling and Debugging

Ngày tải lên : 24/10/2013, 08:15

... `PerlPostReadRequestHandler' push_handlers( ) stack is empty PerlPostReadRequestHandler handlers returned `PerlTransHandler' push_handlers( ) stack is empty PerlTransHandler handlers returned -1 `PerlInitHandler' ... `PerlHandler' push_handlers( ) stack is empty PerlHandler handlers returned `PerlLogHandler' push_handlers( ) stack is empty PerlLogHandler handlers returned -1 running registered cleanup handlers ... technique, and use Perl’s standard eval exception -handling mechanism instead For more information about exception handling, see http:// perl.apache.org/docs/general/perl_reference.html#Exception _Handling_ for_mod_perl...

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Tài liệu Chapter 10 Error Detection and Correction docx

Ngày tải lên : 16/02/2014, 20:20

... error undetectable 10.18 Table 10.1 A code for error detection (Example 10.2) 10.19 Note An error- detecting code can detect only the types of errors for which it is designed; other types of errors ... Figure 10.1 Single-bit error 10.5 Note A burst error means that or more bits in the data unit have changed 10.6 Figure 10.2 Burst error of length 10.7 Note To detect or correct errors, we need to ... applications require that errors be detected and corrected 10.2 10-1 INTRODUCTION Let us first discuss some issues related, directly or indirectly, to error detection and correction Topics discussed...

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Mechanisms and Mechanical Devices Sourcebook - Chapter 10

Ngày tải lên : 22/10/2012, 14:26

... result of measuring an error in the material from a reaction that is not exactly proportional to the error The control follows the summation of the errors in the material and the indicator itself ... FIG 2—SECONDARY INDICATORS FIG 3—CONTROLLERS AND ACTUATORS 348 lines, textile processing equipment, paper machines, rubber and plastic processers, and printing presses In each of these examples, ... indicator, which senses the error to be corrected; the controller, which interprets the indicator signal and amplifies it, if necessary, to initiate control action; and the transmission, which...

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Chapter-10-File systems and devices

Ngày tải lên : 22/10/2013, 19:15

... groups of rwx: r stands for read permission, w stands for write permission, and x stands for execute permission The three groups represent the permissions for the owner, the group and others respectively ... (I can read and execute the program, and nobody else can anything with it) The permissions for the draft document would be rw-r - (I can read and write, the group can read, and others can’t ... other hand, the people who work with you have a need to be able to refer to the document You set the permissions so that only the owner can write it, that the owner and group can read it, and, ...

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Tài liệu An Introduction to Intelligent and Autonomous Control-Chapter 10: Learning Control Systems pdf

Ngày tải lên : 14/12/2013, 12:15

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Chapter 10 cost in short and long run

Ngày tải lên : 17/12/2013, 15:19

... insurance premiums, leasing and rental payments, land and equipment purchases, and interest on loans Total fixed costs (TFC) remain the same whether the firm’s factories are standing idle or producing ... also use the funds to expand (without the usual degree of scrutiny) the scope and scale of their firms, thereby giving reason for higher salaries and more perks (since size and executive compensation ... Al Dunlap and Bob Andelman, Mean Business: How I Save Bad Companies and Make Good Companies Great (New York: Times Books, 1996), p 81 19 Chapter 10 Production Costs in the Short Run and Long...

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Tài liệu Creating Applications with Mozilla-Chapter 10. RDF, RDF Tools, and the Content Model-P3 docx

Ngày tải lên : 21/01/2014, 06:20

... nsIRDFService datasources, resources, and literals It also registers and unregisters datasources and resources nsIRDFCompositeDataSource Allows the addition and removal of a datasource from a composite ... "locked" and thus cannot be overwritten Removing a triple from the datasource is as easy as adding it If you try to remove a triple that doesn't exist, your request is ignored and no error messages ... of the object and its properties In addition to GetTarget, as seen above, a GetTargets function returns an object and its properties in an enumeration This function can be very handy for quick...

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Tài liệu Creating Applications with Mozilla-Chapter 10. RDF, RDF Tools, and the Content Model-P4 pptx

Ngày tải lên : 21/01/2014, 06:20

... function that does something with the datasource }, onError: function(aSink, aStatus, aErrorMsg) { alert( "Error: " + aErrorMsg); } }; Once the event handlers are set up, you can use nsIRDFXMLSink: sink ... abstract and confusing, these interfaces require a lot of error handling to work correctly Fortunately, a library on mozdev.org called JSLib handles RDF file access The JSLib XML library does the ... something } Built-in datasources that implement nsIRDFRemoteDataSource (and other necessary interfaces) and their own data handling include: @mozilla.org/rdf/datasource;1?name=history @mozilla.org/browser/bookmarks-service;1...

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Tài liệu Creating Applications with Mozilla-Chapter 10. RDF, RDF Tools, and the Content Model-P5 pdf

Ngày tải lên : 21/01/2014, 06:20

... and update the data (if(gRDF.getAttribute(tempItem,'name')==name), and utilities that make work with RDF files easier (path = fileUtils.chrome_to_path(rdfFileURL)) Example 10-13 initializes and ... by using the path and a root resource identifier, and the "xFly" namespace is used for the data references Example 10-14 shows that the RDF file is ready to have its data added and deleted Example ... easily This is where RDF and dynamic overlays come in The RDF you provide in your package makes it possible for the chrome registry, discussed in Chapter 6, to find, understand, and register your new...

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Tài liệu Practical mod_perl-CHAPTER 10:Improving Performance with Shared Memory and Proper Forking pdf

Ngày tải lên : 26/01/2014, 07:20

... arguments And there are more evolved solutions provided by other Perl modules, such as IPC::Open2 and IPC::Open3, that allow you to open a process for reading, writing, and error handling Executing ... (O’Reilly) • Chapters and in Operating Systems: Design And Implementation, by Andrew S Tanenbaum and Albert S Woodhull (Prentice Hall) • Chapter in Modern Operating Systems, by Andrew S Tanenbaum ... (ChildInitHandler) No driver is preloaded before the child is spawned! Apache::DBI->connect_on_init('DBI:mysql:test::localhost', "", "", { PrintError => 1, # warn( ) on errors RaiseError => 0,...

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Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-Pride and Prejudice -Jane Austen -Chapter 10 docx

Ngày tải lên : 26/01/2014, 14:20

... an argument, and want to silence this.’ ‘Perhaps I Arguments are too much like disputes If you and Miss Bennet will defer yours till I am out of the room, I shall be very thankful; and then you ... sacrifice on my side; and Mr Darcy had much better finish his letter.’ Mr Darcy took her advice, and did finish his letter When that business was over, he applied to Miss Bingley and Elizabeth for ... pianoforte; and, after a polite request that Elizabeth would lead the way which the other as politely and more earnestly negatived, she seated herself Mrs Hurst sang with her sister, and while...

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Chapter 10 DC machines and drives

Ngày tải lên : 16/02/2014, 18:48

... steps low and S1 and S2 are opened and S3 and S4 are close The armature * current decreases until ia = ia − ε , at which time the comparator output becomes high; S1 and S2 are closed and S3 and S4 ... 10.11-2) When the output of this comparator (L) is high, S1 and S2 are closed and S3 and S4 are open; when L is low, S3 and S4 are closed and S1 and S2 are open The action of this type of current control ... increase, the error signal, which is the input to the comparator with hysteresis, is positive and greater than ε The output of the comparator is high, and S1 and S2 are closed and S3 and S4 are...

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Tài liệu Routing Protocols and Concepts: Chapter 10 ppt

Ngày tải lên : 23/02/2014, 09:20

... the curriculum/book  For further explanation and details, please read the chapter/curriculum  Book: Routing Protocols and Concepts By Rick Graziani and Allan Johnson ISBN: 1-58713-206-0 ISBN-13: ... Functionality and configuration not complex Algorithm is easy to understand Introduction Link-State Routing Protocols Distance Vector Link-State  Distance vector routing protocols - road signs Distance and ... (International Organization for Standardization) and is described in ISO 10589  The first incarnation of this routing protocol was developed at DEC (Digital Equipment Corporation) and is known as DECnet...

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Cryptography and Network Security Chapter 10 pptx

Ngày tải lên : 15/03/2014, 17:20

... key and their identity B generates a session key K sends it to A encrypted using the supplied public key A decrypts the session key and both use problem is that an opponent can intercept and ... users could create random private/public D-H keys each time they communicate users could create a known private/public D-H key and publish in a directory, then consulted and used to securely ... can compute) KAB is used as session key in private-key encryption scheme between Alice and Bob if Alice and Bob subsequently communicate, they will have the same key as before, unless they choose...

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