Teach Yourself Borland C++ in 14 Days - portal

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370 Day 10 You can set the Pre-compiled Headers option to None, Use pre-compiled headers, or Cache pre-compiled headers depending on your needs and the hardware available on your system. Generally speaking, you will use pre-compiled headers in one way or another. Turning off pre-compiled headers almost always results in much slower build times. TIP The option to cache pre-compiled headers will dramatically speed up compile and build times if you have enough system RAM. If you do not have enough system RAM, caching pre-compiled headers can actually slow down your builds. Do your own tests to determine whether caching of pre-compiled headers is faster or slower on your system. In general, though, I would recommend turning caching off if you have less than 32MB of system RAM. Compiling The Compiling group of options on the C++ page is used to control how the C++ compiler performs certain options. For the most part, you should leave these options set at the defaults until you get more familiar with C++Builder and C++ in general. These settings are explained in the following sections. Merge Duplicate Strings When the Merge Duplicate Strings option is on, it tells the compiler to merge duplicate strings into one memory location. This saves overall program size but can lead to problems if one of the strings is modified. Stack Frames Leave the Stack frames option on when debugging. When you are done debugging, you can turn off this option to have the compiler generate smaller and faster code, but compile times will be slightly longer with the Stack frames option off. Most of the time the speed and size savings are not significant enough to warrant turning off this option. As always, do your own test to be sure. Show Warnings When the Show warnings option is on, any compiler warnings are displayed in the Code Editor message window. I always leave this option on. Compiler warnings should not be ignored for the long term. Most of the time compiler warnings can, and should, be resolved.
NOTE More on Projects Compiler and linker errors are always displayed in the message window. Show General Msgs When the Show general msgs option is on, various status messages are displayed in the message window of the Code Editor. For example, compiling the ScratchPad program with general messages turned on results in the following text being output to the message window: [C++] Compiling: Scratch.cpp [C++] Compiling: SPMain.cpp [C++] Loaded cached pre-compiled headers. [C++] Compiling: SPAbout.cpp [Linker] Incremental Linking: D:\Projects\Scratch\Scratch.exe Turn on this option if you want to see the status messages in the message window. The Pascal Page The Pascal page of the Project Options dialog box is used to set the Pascal compiler options. The Pascal compiler is used if you add Pascal units (.pas) to your C++Builder projects. The Pascal compiler settings are numerous and beyond the scope of this discussion, so I’m not going to go over each one. See the C++Builder online help for details about the settings on this page. The Linker Page The Linker page of the Project Options dialog box is where you set options that specify how you want the linker to function. Until you get very familiar with C++Builder, you can leave this page alone and accept the default settings. Figure 10.10 shows the Linker page of the Project Options dialog box. The sections of this page are explained in the following sections. Figure 10.10. Project Linker options. 371 10
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At a Glance At A Glance WEEK 1 In W
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Day 1 Getting Your Feet Wet Week Ge
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Getting Your Feet Wet are divided i
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NOTE Getting Your Feet Wet As you m
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Getting Your Feet Wet but you need
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NOTE Getting Your Feet Wet In order
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NOTE Getting Your Feet Wet In C++,
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Getting Your Feet Wet An object, li
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Getting Your Feet Wet In some progr
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Listing 1.3. WRAPME.CPP. Getting Yo
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Getting Your Feet Wet Operator Desc
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NEW TERM Figure 1.5. Anatomy of a f
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SYNTAX ▼ ▲ Getting Your Feet We
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Getting Your Feet Wet Let’s prove
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Getting Your Feet Wet There is a sh
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Getting Your Feet Wet When the prog
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NOTE Function Description Getting Y
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NOTE Getting Your Feet Wet numbers
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Quiz Getting Your Feet Wet Windows
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Day 2 Wading In Deeper Wading In De
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NOTE Wading In Deeper If the condit
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SYNTAX ▼ ▼ TIP TIP Wading In De
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SYNTAX Wading In Deeper immediately
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Listing 2.1. FORLOOP.CPP. Wading In
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SYNTAX ▼ ▲ SYNTAX ▼ ▲ The w
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Wading In Deeper for (int i=0;i
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▲ default: dflt_statements; break
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Wading In Deeper This code generate
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NOTE Wading In Deeper You can creat
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Wading In Deeper So how do the sour
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Wading In Deeper 20: sizeof(listArr
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NOTE Wading In Deeper The displayRe
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Workshop Wading In Deeper The Works
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Day 3 Up to Your Neck in C++ Up to
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Up to Your Neck in C++ In this case
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Up to Your Neck in C++ Figure 3.1.
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Up to Your Neck in C++ That won’t
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Up to Your Neck in C++ 42: cin.getl
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Listing 3.2. REFERENC.CPP. Up to Yo
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Up to Your Neck in C++ Although it
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NOTE Up to Your Neck in C++ Now you
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Up to Your Neck in C++ If you are a
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NOTE Up to Your Neck in C++ If you
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Up to Your Neck in C++ Now the comp
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Quiz Up to Your Neck in C++ Day 5,
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Totally Immersed: C++ Classes and O
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NOTE Totally Immersed: C++ Classes
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C++ Class Frameworks and the Visual
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Figure 5.1. The Object Inspector wi
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NOTE C++ Class Frameworks and the V
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Exercises C++ Class Frameworks and
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The C++Builder IDE Explored: Projec
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NOTE The C++Builder IDE Explored: P
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TIP Figure 6.11. The About box with
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Figure 6.18. The About box for the
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Figure 6.20. The Project Options di
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Quiz The C++Builder IDE Explored: P
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Working with the Form Designer and
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NOTE Working with the Form Designer
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NOTE TIP TIP Working with the Form
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NOTE Figure 7.10. The Alignment Pal
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Quiz Working with the Form Designer
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In Review In Review WEEK 1 You cove
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In Review displayed based on user i
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At a Glance At A Glance WEEK 2 Are
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Day 8 VCL Components VCL Components
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VCL Components C++Builder displays
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VCL Components Important Common Pro
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Cursors VCL Components The Cursor p
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Figure 8.2. The Object Inspector sh
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VCL Components You can set this pro
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VCL Components Method Description I
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VCL Components Similarly, when the
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NOTE TIP VCL Components There may b
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VCL Components or load the Memo wit
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VCL Components Item Applies To Desc
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VCL Components You can use owner-dr
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VCL Components Property Applies To
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VCL Components for buttons that are
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VCL Components property set to true
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NOTE VCL Components To set the glyp
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VCL Components The GroupIndex Prope
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NOTE VCL Components form. Like the
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VCL Components As such, they go wit
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VCL Components The File Open and Fi
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VCL Components The InitialDir Prope
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VCL Components The Font dialog box
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Quiz VCL Components Q I’m respond
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Day 9 Creating Applications in C++B
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Using the Debugger The diagnostic m
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Using the Debugger ■ Ordinarily y
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Quiz Using the Debugger 1. How do y
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C++Builder Database Architecture Da
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C++Builder Database Architecture Te
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C++Builder Database Architecture an
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C++Builder Database Architecture
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C++Builder Database Architecture Pr
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C++Builder Database Architecture Th
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C++Builder Database Architecture To
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Event Catalyst C++Builder Database
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WARNING C++Builder Database Archite
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Method Function C++Builder Database
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C++Builder Database Architecture Ta
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C++Builder Database Architecture Up
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C++Builder Database Architecture Ke
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TIP C++Builder Database Architectur
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Building Internet Applications Day
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Building Internet Applications Tabl
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Building Internet Applications prop
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Building Internet Applications 65:
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Quiz Building Internet Applications
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C++Builder Extensions to C++ Day 14
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C++Builder Extensions to C++ compil
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C++Builder Extensions to C++ Anothe
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C++Builder Extensions to C++ __int8
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C++Builder Extensions to C++ value
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C++Builder Extensions to C++ you ca
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In Review In Review WEEK 2 Wow, tha
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Answers to Quiz Questions APPENDIX
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Day 3 Day 4 Answers to Quiz Questio
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Answers to Quiz Questions 4. Hold d
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Day 10 Answers to Quiz Questions 1.
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Symbols & (ampersands), 246 © (cop
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C C (programming language), 132 C c
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File Save, 309-312 Find/Replace, 31
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Insert Template, 248 Object Reposit
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Cascade( ), 198 Close( ), 198 Close
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Layout property (BitBtn component),
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object-oriented programming, see OO
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protected member functions, 106 pro
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structures arrays, 58 C vs. C++, 64
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A V I A C O M S E R V I C E The Inf
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Component Palette Quick Reference S
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Add to Your Sams Library Today with
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Overview Introduction Introduction
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Introduction VCL Explored .........
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