大约有 43,000 项符合查询结果(耗时:0.0260秒) [XML]

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Detect blocked popup in Chrome

...code I use for cross-browser detection, without the Chrome part. function _hasPopupBlocker(poppedWindow) { var result = false; try { if (typeof poppedWindow == 'undefined') { // Safari with popup blocker... leaves the popup window handle undefined result = t...
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What is the syntax rule for having trailing commas in tuple definitions?

... Another reason that this exists is that it makes code generation and __repr__ functions easier to write. For example, if you have some object that is built like obj(arg1, arg2, ..., argn), then you can just write obj.__repr__ as def __repr__(self): l = ['obj('] for arg in obj.args: #...
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What's the canonical way to check for type in Python?

... str.__subclasses__() only returns the direct subclasses of str, and does not do the same thing as issubclass() or isinstance(). (To do that, you would have to recursively call .__subclasses__(). – Thomas Wou...
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m

...al studio or they explicitly added the defines to the project. Search for _ITERATOR_DEBUG_LEVEL and _SECURE_SCL remove them or set them appropriately in all projects and sources and rebuild everything. _ITERATOR_DEBUG_LEVEL = 0 // disabled (for release builds) _ITERATOR_DEBUG_LEVEL = 1 // enabled ...
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Convert SVG to image (JPEG, PNG, etc.) in the browser

... svgopen.org/2010/papers/62-From_SVG_to_Canvas_and_Back - Works perfectly! [On the link page, sourceSVG = $("#your_svg_elem_name").get(0) ] – Vijay Singh Apr 24 '16 at 17:40 ...
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Convert all first letter to upper case, rest lower for each word

....Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(s.ToLower()); IL_0000: ldstr "THIS IS MY TEXT RIGHT NOW" IL_0005: stloc.0 // s IL_0006: call System.Threading.Thread.get_CurrentThread IL_000B: callvirt System.Threading.Thread.get_CurrentCulture IL_0010: callvirt ...
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warning: implicit declaration of function

...s to declare function prototype in header. Example main.h #ifndef MAIN_H #define MAIN_H int some_main(const char *name); #endif main.c #include "main.h" int main() { some_main("Hello, World\n"); } int some_main(const char *name) { printf("%s", name); } Alternative with one file...
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What is the effect of extern “C” in C++?

...n it posted yet. You'll very often see code in C headers like so: #ifdef __cplusplus extern "C" { #endif // all of your legacy C code here #ifdef __cplusplus } #endif What this accomplishes is that it allows you to use that C header file with your C++ code, because the macro "__cplusplus" will...
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How do I include a file over 2 directories back?

...er files, while retaining those links if you move your file, is: require_once($_SERVER['DOCUMENT_ROOT'] . 'directory/directory/file'); DOCUMENT_ROOT is a server variable that represents the base directory that your code is located within. ...
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background function in Python

... Do something like this: def function_that_downloads(my_args): # do some long download here then inline, do something like this: import threading def my_inline_function(some_args): # do some stuff download_thread = threading.Thread(target=function_t...