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Saving enum from select in Rails 4.1

... What if an Invalid String is sent such as "ERROR_JUNK_Submission". Obviously there is no enum value such as this, and an exception is thrown. Where would we catch it? – FlyingV Nov 30 '15 at 19:54 ...
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Entity Framework DateTime and UTC

...hnson without @Saustrup's using statements, you get some unhelpful compile errors such as 'System.Array' does not contain a definition for 'Where' – Jacob Eggers May 30 '14 at 19:24 ...
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Why does ++[[]][+[]]+[+[]] return the string “10”?

... sure how this is possible. ++[[]][0] returns indeed 1, but ++[] throws an error. This is remarkable because it looks like ++[[]][0] does boil down to ++[]. Do you perhaps have any idea why ++[] throws an error whereas ++[[]][0] does not? – pimvdb Sep 9 '11 at ...
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using gitignore to ignore (but not delete) files

I have a tmp directory in my git repo I'd like to still exist, but be ignored. I added it to .gitignore , but git status still tells me about changes to files in that directory. I tried git rm -r --cached , but that removes it from the remote repo. How can I stop tracking changes to this dire...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...of a lot of people, but not of everyone. I don't think it's necessarily an error to treat C++ source as a plain text file, rather than the output of a WYSIWYG editor (vi/emacs/Visual Studio) that enforces formatting rules. So this rule is editor-agnostic beyond what you need, but not beyond what peo...
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Which comment style should I use in batch files?

... If there's delayed variable usage in line, :: will cause some error messages, e.g. Can not find specificed disk driver..... So better use REM then. – Scott Chu Jul 21 '16 at 7:15 ...
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How do I focus on one spec in jasmine.js?

... only one that thinks that mixing xit and fit into it are hard to read and error prone? – B Seven Apr 13 '15 at 22:40  |  show 2 more comments...
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Python exit commands - why so many and when should each be used?

...hout calling the cleanup handlers. exit(0): a clean exit without any errors / problems. exit(1): There was some issue / error / problem and that is why the program is exiting. sys.exit(): When the system and python shuts down; it means less memory is being used after the program is...
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Is it better to call ToList() or ToArray() in LINQ queries?

...00.19.56404), X64 RyuJIT | Method | Count | Mean | Error | StdDev | Median | Ratio | RatioSD | Gen 0 | Gen 1 | Gen 2 | Allocated | |---------- |------ |--------------:|------------:|------------:|--------------:|------:|--------:|--------:|------:|------:|--...
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What's the simplest way to subtract a month from a date in Python?

...16:12:27.870000 2010-03-06 16:12:27.886000 2010-04-06 16:12:27.886000 2010-05-06 16:12:27.886000 2010-06-06 16:12:27.886000 2010-07-06 16:12:27.886000 2010-08-06 16:12:27.901000 2010-09-06 16:12:27.901000 2010-10-06 16:12:27.901000 2010-11-06 16:12:27.901000 2010-12-06 16:12:27.901000 2011-01-06 16:...