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clang: how to list supported target architectures?

...RM in general and specifically iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come. ...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... = $bar ?: $baz; Which assigns $bar if it's not an empty value (I don't know how this would be different in PHP from Perl), otherwise $baz, and is the same as this in Perl and older versions of PHP: $foo = $bar ? $bar : $baz; But PHP does not have a compound assignment operator for this (that i...
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Installing libv8 gem on OS X 10.9+

...f libv8 in the project I'm working on. I'll be downgrading to OSX 10.8 for now! – tanookiben Oct 25 '13 at 19:41 36 ...
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Is it possible to use JavaScript to change the meta-tags of the page?

...cription]').attr('content', new_description); I think it does matter for now, since google said that they will index ajax content via #!hashes and _escaped_fragment_ calls. And now they can verify it (even automatically, with headless browsers, see the 'Creating HTML Snapshots' link on the page me...
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Flask-SQLalchemy update a row's information

...esd_at = db.Column(db.DateTime) I just run obj.used_at = datetime.datetime.now() db.session.commit() But not value set to the field. – Rukeith Oct 30 '18 at 3:51 ...
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Mapping over values in a python dictionary

... that's because rather than look up all key-value pairs in one go, you are now using number-of-keys times my_dictionary.__getitem__ calls. – Martijn Pieters♦ Oct 15 '14 at 15:21 ...
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,

... To be more general, VS2012 now uses the standard .Net regex engine. – SLaks Jun 19 '13 at 14:33 4 ...
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Is there a function to make a copy of a PHP array to another?

...nd also that references in PHP are not the same as pointers in C. Without knowing anything about your case, may I suggest that it's strange to have an array of references in the first case, especially if you don't intent to treat them as references? What's the use case? – troel...
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What is the most effective way for float and double comparison?

...the order of operations can produce different results, it is important to know how "equal" you want the numbers to be. Comparing floating point numbers by Bruce Dawson is a good place to start when looking at floating point comparison. The following definitions are from The art of computer progr...
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How to include jar files with java file and compile in command prompt

....0.2.RELEASE; C:\Users\sarath_sivan\Desktop\jars\spring-aop-3.0.2.RELEASE; Now, you may compile your java file. (command: javac YourJavaFile.java) Hope this will resolve your dependency issue. share | ...