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Significance of a .inl file in C++
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.inl files are never mandatory and have no special significance to the compiler. It's just a way of structuring your code that provides a hint to the humans that might read it.
I use .inl files in two cases:
For definitions of inline functions.
For definitions of function tem...
What's a standard way to do a no-op in python?
I often find myself writing if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are l...
Calling shell functions with xargs
... any error value that might be produced by the command preceding it. Also, if there's no error, it's the default and thus somewhat redundant.
@phobic mentions that the Bash command could be simplified to
bash -c 'echo_var "{}"'
moving the {} directly inside it. But it's vulnerable to command inj...
Remove CSS “top” and “left” attributes with jQuery
...y removing the style attribute:
$('.map').removeAttr('style');
However, if you're using other jQuery UI components, those may require inline styles that you don't want to be removed, so proceed with caution there.
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Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
...enter_app_singleton() {
int fd = open(kPidFileName, O_RDWR | O_TRUNC);
if (fd == -1) {
//对应的锁文件当前不存在，试图创建该锁文件
fd = creat(kPidFileName, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
if (fd > 0) {
fchmod(fd, S_IRUSR|S_IRUSR|S_IWUSR|S_IRGRP|S...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...even on a platform where sizeof(int)==sizeof(int*) holds true, for example if the calling convention used different registers for returning pointers than integers)
The comp.lang.c FAQ has an entry discussing why casting the return from malloc is never needed and potentially bad.
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What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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Synchronise ScrollView scroll positions - android
...oldx, int oldy) {
super.onScrollChanged(x, y, oldx, oldy);
if(scrollViewListener != null) {
scrollViewListener.onScrollChanged(this, x, y, oldx, oldy);
}
}
}
And we should specify this new ObservableScrollView class in the layout, instead of the existing Sc...
How to run two jQuery animations simultaneously?
Is it possible to run two animations on two different elements simultaneously? I need the opposite of this question Jquery queueing animations .
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Font Awesome icon inside text input element
...l back to the browser default. That should be the same as any other input. If you define a font on input elements, then supply the same font as fallback for situations where us use an icon. Like this:
input { font-family: 'FontAwesome', YourFont; }
...