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Make git automatically remove trailing whitespace before committing

...ove trailing" feature", but a "warning" feature like: if (/\s$/) { bad_line("trailing whitespace", $_); } You could however build a better pre-commit hook, especially when you consider that: Committing in Git with only some changes added to the staging area still results in an “atomic...
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Error-Handling in Swift-Language

...ogramming easier, e.g. 'Swift Way: struct FailableInitializer { init?(_ id: Int, error: NSErrorPointer) { // Always fails in example if error != nil { error.memory = NSError(domain: "", code: id, userInfo: [:]) } return nil } private init() { ...
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In Firebase, is there a way to get the number of children of a node without loading all the node dat

...ts/-JRHTHaIs-jNPLXOQivY/upvotes'); upvotesRef.transaction(function (current_value) { return (current_value || 0) + 1; }); For more info, see https://www.firebase.com/docs/transactions.html UPDATE: Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your ow...
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'python' is not recognized as an internal or external command [duplicate]

... variables are set correctly. Any reason why? – alpha_989 Sep 30 '17 at 23:40 superb! But, I think in my organization ...
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How do I detect if Python is running as a 64-bit application? [duplicate]

... at least since Py2.3: struct.calcsize('P') == 8. Or ctypes.sizeof(ctypes.c_void_p) == 8. There can be builds with gcc option -mx32 or so, which are 64bit apps, but use 32bit pointers as default. 'sys.maxsize = ssize_t' may not strictly represent the C pointer size (its usually 2**31 - 1 anyway), th...
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'setInterval' vs 'setTimeout' [duplicate]

... edited May 19 '14 at 8:48 gion_13 38.3k99 gold badges9090 silver badges101101 bronze badges answered Apr 23 '10 at 6:39 ...
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Add days to JavaScript Date

... for Date: var result = new Date(date);, see http://www.w3schools.com/js/js_dates.asp. Even if this usually work, sometimes can lead to wrong results because of conversion to string and vice versa. It should be var result = new Date(date.getTime()); – Marcin No...
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How should I use try-with-resources with JDBC?

...g in the outer try: try (Connection con = DriverManager.getConnection(JDBC_URL, prop); PreparedStatement stmt = ((Supplier<PreparedStatement>)() -> { try { PreparedStatement s = con.prepareStatement("SELECT userid, name, features FROM users WHERE userid = ?"); s.set...
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What are some popular naming conventions for Unit Tests? [closed]

1) MethodName_StateUnderTest_ExpectedBehavior 7 Answers 7 ...
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How to get image height and width using java?

... @php_coder_3809625 the log is in the iterator, so it could be the case that one ImageReader fails, but a subsequent succeeds. If they all fail, then an IOException is raised. – Andrew Taylor ...