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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...
C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every code ...
Animated GIF in IE stopping
...progressBar");
pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>';
pb.style.display = '';
}
and in your html:
<input type="submit" value="Submit" onclick="showProgress()" />
<div id="progressBar" style="display: none;">
<img src="./progress-...
UI Terminology: Logon vs Login [closed]
...2,020,000,000
sign in 430,000,000
logon 27,700,000
log on 18,200,000
logout 83,500,000
log out 34,500,000
sign out 19,400,000
log off 5,350,000
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Virtual functions and performance - C++
... functions (and more) is Member Function Pointers and the Fastest Possible C++ Delegates.
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Polymorphism in C++
...int and double), finding and executing distinct type-appropriate code.
C++ mechanisms for polymorphism
Explicit programmer-specified polymorphism
You can write f() such that it can operate on multiple types in any of the following ways:
Preprocessing:
#define f(X) ((X) += 2)
// (note: in re...
jquery's append not working with svg element?
...>
</head><body>
<svg id="s" xmlns="http://www.w3.org/2000/svg"/>
<script type="text/javascript">
function makeSVG(tag, attrs) {
var el= document.createElementNS('http://www.w3.org/2000/svg', tag);
for (var k in attrs)
...
DirectX SDK (June 2010) Installation Problems: Error Code S1023
...ers\\AppData\Local\Temp) for the most recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine...
Set 4 Space Indent in Emacs in Text Mode
... sitting there waiting to be used.
(setq tab-stop-list (number-sequence 4 200 4))
or
(defun my-generate-tab-stops (&optional width max)
"Return a sequence suitable for `tab-stop-list'."
(let* ((max-column (or max 200))
(tab-width (or width tab-width))
(count (/ max-colu...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...克萊socket介面函式，這個錯誤發生的原因通常是開啟一個不具有開啟權限的檔案或socket。例如在UNIX上，一般的使用者不能開啟 SOCK_RAW的socket，通常是超級使用者(super user)才有此權限。如果一般的使用者企圖開啟SOCK_RAW的socket，將...
Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
...