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Add comma to numbers every three digits
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This is the easiest and most elegant answer if you ask me.
– Chuck Le Butt
Sep 19 at 14:39
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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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Java 8 List into Map
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If your key is NOT guaranteed to be unique for all elements in the list, you should convert it to a Map<String, List<Choice>> instead of a Map<String, Choice>
Map<String, List<Choice>> result =
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Add horizontal scrollbar to html table
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@bloudermilk You can if you add display: block.
– Cees Timmerman
Feb 17 '16 at 13:29
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HTTP status code 0 - Error Domain=NSURLErrorDomain?
...tus code 0 exists when browser cannot connect to the server. When you get different errors like e.g. 504 then this is caused by reverse proxy settings.
– Nickon
Apr 10 at 9:31
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What are .dex files in Android?
...d there, and in which path? Some said it will take more space. Is it true? If so, how come? I mean, native code seems to always be much smaller than byte-code, and dex files are similar to byte-code in terms of how it works.
– android developer
Oct 30 '14 at 21...
How to get elements with multiple classes
... what about getting element with only one class , which is the one specified @Joe
– CodeGuru
Jan 13 '19 at 7:22
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Reverse a string in Java
...ilder is preferred nowadays"? There is a clear statement that StringBuffer if thread-safety is a concern. otherwise, StringBuilder can be used. StringBuilder is not a replacement for StringBuffer.
– ha9u63ar
Jan 8 '15 at 13:51
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Rotating x axis labels in R for barplot
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caveat: If you're using beside = TRUE, you'll probably want to use colMeans(x) instead of just x if you want only one label per group.
– MichaelChirico
Oct 7 '16 at 3:59
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How to run crontab job every week on Sunday
... every week on Sunday. I think the following should work, but I'm not sure if I understand correctly. Is the following correct?
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