sams teach yourself the c language in 21 days pdf

Teach Yourself the C# Language in 21 Days phần 1 pdf

... Program-Development Cycle 9Creating the Source Code 9Understanding the Execution of a C# Program 11Compiling C# Source Code to Intermediate Language 13Completing the Development Cycle 14Creating Your ... to the directory containing the program, and then run the program from the command line.Note viii Sams Teach Yourself the C# Language in 21 Days Using Iteration Statements 128Executing Code ... application. You might also see these applications referred to as WinForm xviii Sams Teach Yourself the C# Language in 21 Days catch 724char 724checked 724class 724const 725continue 725decimal...

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... produced. In those cases,you can have the compiler avoid checking the code. This is done with the unchecked key-word, as illustrated in Listing 2.8.LISTING 2.8 Unchecked.cs—Marking Code as Unchecked1: ... charactersbecause the slash “escapes” from the regular text and indicates that the fol-lowing character is special (or extended). NoteLISTING 2.7 chars_table.cs The Special Characters1: // chars_table.cs2: ... value of ctr (first 63) and places it into the character variable ch.Because ctr is an integer, you have to tell the computer to convert the integer to a char-acter, which the (char) statement...

Teach Yourself the C# Language in 21 Days phần 3 pptx

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... plus storing routines commonlyused with a circle. These routines could include getting the circle’s area, getting its cir-cumference, changing its center point, changing its radius, and much more. ... length of the line.Continuing with the listing, you see in Line 21 that a new object is created using the Lineclass. This new Line object is given the name myLine. Line 21 follows the same ... class. If Point will be used only within the context of a line, it can be defined within the Line class. This enables Point objects to beused in the Line class. The code for the nested Point...

Teach Yourself the C# Language in 21 Days phần 4 doc

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... point(1,0);375: mySquare.width.end = new point(10,0);LISTING WR1.1 continuedCH 4 C H 2 C H 2 C H 2 C H 6 C H 5 C H 4 C H 7 C H 5CH 6 C H 5 C H 6CH 6CH 5 C H 2CH 7 C H 5 C H 5 C H 5CH ... LISTING WR1.1 continuedCH 5 C H 5CH 5 C H 5 C H 5 C H 4 C H 5 C H 5CH 5 C H 5CH 6CH 2CH 2 C H 2 C H 3 C H 3CH 3 C H 6 Listing 7.3 adds the same length method you have seen in listings ... 1627ãline class in Lines 3499ãsquare class in Lines 106174ãcircle class in Lines 182237ãWR01App class in Lines 239390 The line, square, and circle classes are all similar. The point structure...

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... 9.2, the catch statement prints amessage and the program flow then continues. Line 25, which contains a call to the WriteLine method, is still executed. Catching Exception Information In Listing ... You can include a catch state-ment that is more specific in fact, you can write a catch statement for a specific excep-tion. Listing 9.4 includes a catch statement that captures the exception ... ); Using Multiple catches for a Single try The catch statement in Listing 9.2 is rather general. It can catch any exception that mighthave occurred in the code within the try statement code....

Teach Yourself the C# Language in 21 Days phần 6 pptx

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... is cast to a character value in Line 22. The charactervalue is then appended to the string Input.After the entry of characters is completed, Line 27 prints the full value of the Inputstring. ... locationwithin the current StringBuilder object.Replace Changes all copies of a given character with a new character.ToString Converts StringBuilder to String. The StringBuilder class can ... to the console. The first placeholder in each ofthese lines displays the floating-point value as a fixed-point number using the F specifier. The second placeholder prints the same variable in...

Teach Yourself the C# Language in 21 Days phần 7 pot

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... are placed into the card structure within the deck’s card array. The location in the array where CardValue and CardSuit are being placed is tracked usingcurrcard. The calculation in Line 89 ... listing increments the character to the next character value or decrements the character to the preceding value.Note that this is moving through the character values, so incrementing Z or decrementingA ... of the current card position and more. The Deck class includes an array of cards in Line 70. The individual card structures in this array are initialized in the constructor of the deck (Lines 76–94)....

Teach Yourself the C# Language in 21 Days phần 8 pdf

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... autoscaling the form.AutoScroll The form has the automatic capability of scrolling.AutoScrollMargin The size of the margin for the autoscroll.AutoScrollMinSize The minimum size of the autoscroll.AutoScrollPosition ... A constructor has been included in Lines 10–13 of the listing. The con-structor again has one simple call, InitializeComponent. This call causes the code in Lines 17–43 to execute. This is the ... statements include the Drawing and Windows.Forms namespaceswithin the System namespace. The Drawing namespace is used to shorten the names of the Point class. The Windows.Forms namespace is included...

Teach Yourself the C# Language in 21 Days phần 9 ppsx

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... creating standards for communicating across the Web. The complexity of Web services is in the communication. The wsdl tool created the complex code for you. By creating standards for communicating ... OleDbCommand();You can then associate the command object with the connection object by setting the command’s Connection property:myCommand.Connection = myConnection;You now have a command object ... services.Examining the Concept of a ComponentBefore tackling the concept of a Web service, it is worth looking at the conceptof components. A component is a piece of software that has a well-defined inter-face,...

Teach Yourself the C# Language in 21 Days phần 10 potx

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... Framework.caseA program flow keyword that defines a logical condition within a switch statement.catchPart of the try-catch error-handling logic of a program. The catch blocks are used tospecify exceptions ... handled and the code to be executed when such exceptionsoccur.charA data type that stores a single Unicode character in 2 bytes. char is equivalent toSystem.Char in the .NET Framework.checkedA ... save the form bypressing Ctrl+S or by selecting Save from the File menu. After saving the form, you cancompile the project by pressing F8 or by selecting Run, Build Combine. This compilesthe...

Sams Teach Yourself Visual C++ 6 in 21 Days

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... 707Using the Coordinate-Handling Classes 710Using the CPoint Class 710Using the CRect Class 712Using the CSize Class 717Using the Time-Handling Classes 718Using the COleDateTime Class ... the Document Functionality 205Showing the User 208Saving and Loading the Drawing 213 Deleting the Current Drawing 214 Saving and Restoring the Drawing 215 Interacting with the Menu 218 Adding ... Tracer 698APPENDIX FUSING MFC’S HELPER CLASSES 699Using the Collection Classes 699Using the Array Classes 700Using the List Classes 702Using the Map Classes 704Creating Custom Collection Classes...

sams teach Yourself windows Script Host in 21 Days phần 1 ppt

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... Scripting EnginesWSH scripting engines are COM components that support the IActiveScriptParse COM interface. Because Microsoft has defined the interface between the scripting engine and the ... the default value of the HKEY_CLASSES_ROOT\VBScript key.4. WSH instantiates the scripting engine component by calling the Windows COM API CoCreateInstance() function. The API call causes the ... The Windows Scripting Host defines interfaces that are implemented by scripting engines. Consequently, the same scripting engine can be used in any application that can use the scripting interface...

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... can access the Drives collection. Next, you get the specific drive that you want by using the argument as the index into the Drives collection, and then you check the state of the drive using ... have seen in the previous chapters, the Windows Scripting Host provides a mechanism for executing the script language of your choice. But which one? Your background will dictate your choice. If, ... the shortcut using the Save() method. You can see the results of running the script in Figure 4.5; the Windows Start menu contains a new shortcut created by the shortcut.js script.Simpo PDF...

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... " ;The circumference is " + circumference + ".";This example shows how the numeric data type stored in the circumference variable is automatically converted to a string when concatenated ... strings. Even though the strings contain numbers, they are still strings. So, to use the variables in a numeric calculation, it is necessary to convert them using the parseFloat() and parseInt() ... http://www.simpopdf.com European Computer Manufacturers Association (ECMA) created a scripting language specification based on joint submissions from Microsoft and Netscape. ECMA-262 is the name of the...

sams teach Yourself windows Script Host in 21 Days phần 4 pdf

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... each line from the file. As each line is read, the line is checked to determine if it is a comment line, which begins with the ’ character, or is a line in the format Name=Value. If it is in ... through script code:ã Step intoexecutes the current line of code, stepping into any function that is calledã Step overexecutes the current line of code without stepping into any called functionsã ... http://www.simpopdf.com choice, whereas in VBScript, the Err object comes in handy.Exception Handling in JScriptException handling is something of a bug prevention mechanism in that it involves the detection...