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How to search by key=>value in a multidimensional array in PHP

... @JohnKugelman Wont the "efficient" answer error out if $key does not exist in the array? Wouldnt it be better to do if (array_key_exists($key, $array) && $array[$key] == $value) {? – Chase Feb 3 '14 at 21:04 ...
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Array to Hash Ruby

...try this method with a large array, it will fill up the stack and cause an error (an error along the same lines as a stack overflow). – Ben Lee Mar 13 '14 at 0:02 ...
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How to check if a file contains a specific string using Bash

...example is incorrect, as it only checks if the exit code was non-0. If any error happens, like the file can't be read, the exit code is also non-0. So you have to do something like ec=$?, and check if it's 0 (found), then if it's 1 (not found), and then if it's something else (fail). ...
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Rails update_attributes without save?

..., :is_admin => true }) # Raises an ActiveModel::MassAssignmentSecurity::Error user.assign_attributes({ :name => 'Bob'}) user.name # => "Bob" user.is_admin? # => false user.new_record? # => true share...
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Swift native base class or NSObject

...example, where we don't base on NSObject, the compiler correctly spots the error in testIncorrect_CompilerShouldSpot, reporting "... 'MyClass' is not convertible to 'MirrorDisposition'" class MyClass { let mString = "Test" func getAsString() -> String { return mString } func testIn...
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git rebase fatal: Needed a single revision

...e origin on a test repository (where origin has a HEAD) and I get the OP's error. The documentation for rebase doesn't say that a remote name is valid for the <upstream>. – CB Bailey Jan 25 '11 at 20:21 ...
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How to merge dictionaries of dictionaries?

... this is actually quite tricky - particularly if you want a useful error message when things are inconsistent, while correctly accepting duplicate but consistent entries (something no other answer here does....) assuming you don't have huge numbers of entries a recursive function is easiest...
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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]

...we already have a reference to master, but we had this issue. Here was the error we got: SQL71502: Procedure: [Schema].[StoredProc1] has an unresolved reference to object [Schema].[Table1].[Property1]. To resolve the reference error, on the table sql file, right click properties and verify...
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Integrating MySQL with Python in Windows

... I installed python 2.7 x64 but while importing MySQLdb I'm getting 'ImportError: No module named _mysql_windows.api' error. pls anyone help me to solve this issue. – Vilva Aug 3 '12 at 12:15 ...
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Get index of element as child relative to parent

... None of the code snippets on my answer produce that error - you can press "Run code snippet" to see them working. If you're getting that error, you're using different code - it sounds like you're using jQuery, but my answer is showing how to accomplish this sort of thing witho...