大约有 40,000 项符合查询结果(耗时:0.0517秒) [XML]

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Why doesn't delete set the pointer to NULL?

... Stroustrup himself answers. An excerpt: C++ explicitly allows an implementation of delete to zero out an lvalue operand, and I had hoped that implementations would do that, but that idea doesn't seem to have become popular with implementers. But the main issue he rais...
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JavaScript and Threads

...onBat JavaScript Benchmark (first link) The Gears plugin can also be installed in Firefox. Safari 4, and the WebKit nightlies have worker threads: JavaScript Ray Tracer Chrome has Gears baked in, so it can do threads, although it requires a confirmation prompt from the user (and it uses a d...
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Python: split a list based on a condition?

What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of: ...
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What are the differences between a multidimensional array and an array of arrays in C#?

... be the following: .method private hidebysig static void SetElementAt(int32[][] 'array', int32 i, int32 j, int32 'value') cil managed { // C...
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How to set std::tuple element by index?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Making custom right-click context menus for my web-app

...is through google as I did. I based my solution on @Andrew's one, but basically modified everything afterwards. EDIT: seeing how popular this has been lately, I decided to update also the styles to make it look more like 2014 and less like windows 95. I fixed the bugs @Quantico and @Trengot spotted...
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Append an object to a list in R in amortized constant time, O(1)?

...irthday. Some kind readers keep repeating any shortcomings with it, so by all means also see some of the comments below. One suggestion for list types: newlist <- list(oldlist, list(someobj)) In general, R types can make it hard to have one and just one idiom for all types and uses. ...
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Django Setup Default Logging

...can't seem to figure out how to setup a "default" logger for my Django installation. I would like to use Django 1.3's new LOGGING setting in settings.py . ...
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How to get the current directory in a C program?

...Why don't you use pre_defined macros for detecting OS like #if defined(_WIN32) || defined(_WIN64) || defined(WINDOWS) – HaseeB Mir Nov 1 '18 at 15:02 ...
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Why does the 260 character path length limit exist in Windows?

... answered Dec 10 '09 at 11:45 vallivalli 5,07122 gold badges1717 silver badges88 bronze badges ...