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What are the rules for JavaScript's automatic semicolon insertion (ASI)?

...he grammar, a semicolon is inserted before it if: The token is separated from the previous token by at least one LineTerminator. The token is } e.g.: { 1 2 } 3 is transformed to { 1 ;2 ;} 3; The NumericLiteral 1 meets the first condition, the following token is a line terminator...
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How to cache data in a MVC application

...again, because it's re-reading in the cache and it might have been dropped from the cache already. I'd rather do: public string[] GetNames() { string[] noms = Cache["names"]; if(noms == null) { noms = DB.GetNames(); Cache["names"] = noms; } return (noms); } –...
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Understanding NSRunLoop

...eady.". After doing so, it will then return to its loop, processing input from various sources, and "sleeping" if there is no work to do. That's a pretty high level description (trying to avoid too many details). EDIT An attempt to address the comment. I broke it into pieces. it means th...
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/

...on in any thinkable format. You may also extract the date/time information from any file with date.exe. Examples: (in a cmd-script use %% instead of %) date.exe +"%Y-%m-%d" 2009-12-22 date.exe +"%T" 18:55:03 date.exe +"%Y%m%d %H%M%S: Any text" 20091222 185503: Any text date.exe +"Text: %y/...
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Can I mix Swift with C++? Like the Objective-C .mm files

... No. When you switch from .m to .mm you are actually switching from Objective-C to a different language (which has many subtle differences) called Objective-C++. So you're not really using C++; you're using Objective-C++ which accepts most C++ as...
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Extending the User model with custom fields in Django

...ow, mentioning that this is pretty drastic.] I would definitely stay away from changing the actual User class in your Django source tree and/or copying and altering the auth module. share | improve...
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Want to exclude file from “git diff”

I am trying to exclude a file ( db/irrelevant.php ) from a Git diff. I have tried putting a file in the db subdirectory called .gitattributes with the line irrelevant.php -diff and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php . ...
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How to call a shell script from python code?

How to call a shell script from python code? 12 Answers 12 ...
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Duplicate headers received from server

...igh in the google ranking so I thought I would throw in the answer I found from Chrome, pdf display, Duplicate headers received from the server Basically my problem also was that the filename contained commas. Do a replace on commas to remove them and you should be fine. My function to make a val...
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How to remove the lines which appear on file B from another file A?

...s that match the entire line -v: print non-matching -f file: take patterns from the given file This method is slower on pre-sorted files than other methods, since it is more general. If speed matters as well, see: Fast way of finding lines in one file that are not in another? Here's a quick bash ...