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Why is it bad practice to call System.gc()?
After answering a question about how to force-free objects in Java (the guy was clearing a 1.5GB HashMap) with System.gc() , I was told it's bad practice to call System.gc() manually, but the comments were not entirely convincing. In addition, no one seemed to dare to upvote, nor downvote my ...
Size-limited queue that holds last N elements in Java
...ectly benefit from a circular queue's main differences, i.e. not having to free/reallocate each bucket at each addition/deletion.
– simpleuser
May 17 '17 at 16:09
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Using Git with an existing Xcode project
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Great solution. TIP: Bitbucket is a free alternative to github for small projects. You pay once the project gets big.
– steve-o
Nov 8 '16 at 17:17
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C++11 emplace_back on vector?
...e a tuple instead of defining a POD struct, then you get a constructor for free, which means that you get the emplace syntax for free (among other things -- you also get lexicographic ordering). You lose member names, but sometimes it's less bother creating accessors than all the rest of the boilerp...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
...《服务协议》 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Does static constexpr variable inside a function make sense?
...efined in is never called. So none of the above applies, and a compiler is free not only to generate only a single instance of it; it is free to generate a single instance of it in read-only storage.
So you should definitely use static constexpr in your example.
However, there is one case where yo...
Collection was modified; enumeration operation may not execute
...n the total number in the list, this should be faster. But of course feel free to profile it to be sure that's the case if there's any doubt in your specific usage situation.
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Popup弹出菜单扩展 · App Inventor 2 中文网
...《服务协议》 关注公众号，精彩不错过！ #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
How to lock orientation during runtime
...disabled screen rotation in the settings. Similarly when switching back to free rotation, SCREEN_ORIENTATION_USER is better than SCREEN_ORIENTATION_SENSOR as the latter allows free rotation even if the settings say not to.
– Steve Waring
Aug 1 '14 at 12:52
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How do I remove a property from a JavaScript object?
...perty('myProperty')) // false
The delete operator does not directly free memory, and it differs from simply assigning the value of null or undefined to a property, in that the property itself is removed from the object. Note that if the value of a deleted property was a reference type (an obj...