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What do the parentheses around a function name mean?

...g on, foo's signature is equivalent to int foo (int *bar) The only context in which I've seen people putting seemingly unnecessary parentheses around function names is when there are both a function and a function-like macro with the same name, and the programmer wants to prevent macro expansion....
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How do I get the object if it exists, or None if it does not exist?

... go = None What I did do, is to subclass models.Manager, create a safe_get like the code above and use that manager for my models. That way you can write: SomeModel.objects.safe_get(foo='bar'). share | ...
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How do I get the key at a specific index from a Dictionary in Swift?

... Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>' – Chris Mar 7 '15 at 19:12  |  show 6 more c...
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When do Java generics require

...p of String to Class<Date> doesn't sound terribly useful in general (all it can hold is Date.class as values rather than instances of Date) As for genericizing assertThat, the idea is that the method can ensure that a Matcher that fits the result type is passed in. ...
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uncaught syntaxerror unexpected token U JSON

...fined. I just spent 30 minutes finding that out. – ug_ Feb 3 '14 at 3:53 13 @ns47731 That is actu...
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RVM is not a function, selecting rubies with 'rvm use …' will not work

...elect Edit -> Profile Preferences Select tab: Title and Command Check box 'Run command as a login shell' Restart terminal share | improve this answer | follow ...
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Convert a CERT/PEM certificate to a PFX certificate

I've seen a couple questions about how to convert a PFX to a cert file, but I need to go the other way. 4 Answers ...
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How to define a circle shape in an Android XML drawable file?

...veral examples in the ApiDemos project: /ApiDemos/res/drawable/ black_box.xml shape_5.xml etc It will look something like this for a circle with a gradient fill: <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape...
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Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?

... I solved it in XAMPP by uncommenting ;extension=php_openssl.dll in /apache/bin/php.ini despite phpinfo() telling me /php/php.ini was the loaded ini file. EDIT: I guess Ezra answer is the best solution directly adding the extension line to the appropriate ini file. ...
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How to get TimeZone from android mobile?

...way to get the time zone, of the device? – Abhinav Saxena Feb 8 '17 at 5:54 I'm wondering, does TimeZone.getDefault ge...