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Is there a concurrent List in Java's JDK?
...ion is possible.
CopyOnWriteArrayList: it's expensive to modify, but wait-free to read. Iterators never throw ConcurrentModificationException, they return a snapshot of the list at the moment of iterator creation even if the list is modified by another thread while iterating. Useful for infrequentl...
How do you allow spaces to be entered using scanf?
... Say hello. */
printf("Hello %s. Nice to meet you.\n", name);
/* Free memory and exit. */
free (name);
return 0;
}
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Tools to search for strings inside files without indexing [closed]
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I'm a fan of the Find-In-Files dialog in Notepad++. Bonus: It's free.
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Long-lasting FB access-token for server to pull FB page info
...to the same:
Make sure you are the admin of the FB page you wish to pull info from
Create a FB App (should be with the same user account that is the page admin)
Head over to the Facebook Graph API Explorer
On the top right, select the FB App you created from the "Application" drop down list
Click ...
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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base64 encoded images in email signatures
...AAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO
9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Red dot">
http://en.wikipedia.org/wiki/Data_URI_scheme
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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...
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...
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%; }}