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What is a correct mime type for docx, pptx etc?
....cmsg", "cla": "application/vnd.claymore", "c4g": "application/vnd.clonk.c4group", "sub": "image/vnd.dvb.subtitle", "cdmia": "application/cdmi-capability", "cdmic": "application/cdmi-container", "cdmid": "application/cdmi-domain", "cdmio": "application/cdmi-object", "cdmiq": "application/cdmi-queue"...
What is the best regular expression to check if a string is a valid URL?
...
<?php
/* Regex convenience functions (character class, non-capturing group) */
function cc($str, $suffix = '', $negate = false) {
return '[' . ($negate ? '^' : '') . $str . ']' . $suffix;
}
function ncg($str, $suffix = '') {
return '(?:' . $str . ')' . $suffix;
}
/* Preserved from RFC...
What is a plain English explanation of “Big O” notation?
...some property of the data. If our road segments are like puzzle pieces, we group them by matching color and pattern. We then exploit this to avoid doing extra work later (comparing puzzle pieces of like color to each other, not to every other single puzzle piece).
The moral of the story: a data st...
What is move semantics?
...ote that only xvalues are really new; the rest is just due to renaming and grouping.
C++98 rvalues are known as prvalues in C++11. Mentally replace all occurrences of "rvalue" in the preceding paragraphs with "prvalue".
Moving out of functions
So far, we have seen movement into local variable...
Efficiently replace all accented characters in a string?
...lobally get rid of the diacritics, which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block.
See comment for performance testing.
Alternatively, if you just want sorting
Intl.Collator has sufficient support ~85% right now, a polyfill is also a...
Remove accents/diacritics in a string in JavaScript
...lobally get rid of the diacritics, which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block.
See comment for performance testing.
Alternatively, if you just want sorting
Intl.Collator has sufficient support ~95% right now, a polyfill is also available here but...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...慢的View（当然了，有些时候较慢不代表有问题，譬如ViewGroup子节点越多、结构越复杂，性能就越差）。
当然了，在自定义View的性能调试时，HierarchyViewer上面的invalidate Layout和requestLayout按钮的功能更加强大，它可以帮助我们debug...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...态为灰色不可用的按钮时使用
WS_TABSTOP 可用Tab键选择
WS_GROUP 成组，用于成组的单选按钮中的第一个按钮
按钮风格：
BS_PUSHBUTTON 下压式按钮，也即普通按钮
BS_AUTORADIOBUTTON 含自动选中状态的单选按钮
BS_RADIOBUTTON 单选按钮，不...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ws appear in the z-order before any non-topmost windows. A child window is grouped with its parent in z-order.
When an application creates a window, the system puts it at the top of the z-order for windows of the same type. You can use the BringWindowToTop function to bring a window to the top of t...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...
This approach will use the actual boolean type (and resolve to true and false) if the compiler supports it. (specifically, C++)
However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false.
In a C compiler, this i...