大约有 16,000 项符合查询结果(耗时:0.0300秒) [XML]

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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

... static methods. I know a lot of people do it, approve it and use it. But reading Misko Heverys blog articles (a google testability expert), rereading it and slowly digesting what he says did alter the way I see design a lot. If you want to be able to test you application, you'll need to adopt a d...
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

...ier, self.constant]; } @end build it once again, and now you have more readable output for you: once you got your id you can simple tap it in your Find Navigator: and quickly find it: HOW TO SIMPLE FIX THAT CASE? try to change priority to 999 for broken constraint. ...
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The cause of “bad magic number” error when loading a workspace and how to avoid it?

... I got that error when I accidentally used load() instead of source() or readRDS(). share | improve this answer | follow | ...
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What does threadsafe mean?

Recently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead. ...
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jQuery to retrieve and set selected option value of html select element

...he id's are correct and your dom validates then the following applies: To Read Select Option Value $('#selectId').val(); To Set Select Option Value $('#selectId').val('newValue'); To Read Selected Text $('#selectId>option:selected').text(); ...
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When to use ref and when it is not necessary in C#

... Short answer: read my article on argument passing. Long answer: when a reference type parameter is passed by value, only the reference is passed, not a copy of the object. This is like passing a pointer (by value) in C or C++. Changes to ...
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Why is std::map implemented as a red-black tree?

... the tree modification is O(1) or O(log n) because the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferio...
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Android Game Keeps Getting Hacked [closed]

...without paying. Less will want to hack the first level and the game will spread even further by Freemium model. Shareware/clustered levelpacks 2) Let part of the game levels or logic stay online. Eg. when reaching for level 5 or 10 or 15, then download small parts for the game, and every time subm...
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What's the safest way to iterate through the keys of a Perl hash?

...t suited to your needs. If you just want the keys and do not plan to ever read any of the values, use keys(): foreach my $key (keys %hash) { ... } If you just want the values, use values(): foreach my $val (values %hash) { ... } If you need the keys and the values, use each(): keys %hash; # ...
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Why is Multiple Inheritance not allowed in Java or C#?

...languages while providing too little benefit. For a more fun and in-depth read, there are some articles available on the web with interviews of some of the language designers. For example, for .NET, Chris Brumme (who worked at MS on the CLR) has explained the reasons why they decided not to: ...