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When to use single quotes, double quotes, and backticks in MySQL

...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought. ...
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NullPointerException in Java with no StackTrace

... There are no hidden gotchas that I know of. When you look at the Hotspot source code, you can see that this option is only used in one place (graphKit.cpp). And that looks fine to me. – Roland Illig Jun 13 '10 at 11:14 ...
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How to get parameters from a URL string?

...rse_url($url); parse_str($parts['query'], $query); echo $query['email']; If you want to get the $url dynamically with PHP, take a look at this question: Get the full URL in PHP share | improve t...
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Can you attach a UIGestureRecognizer to multiple views?

... iOS 9 now enforces a single view per gesture recogniser, I'd been using the interface builder method below, but now I get the following message when I try to use it (some details cut for brevity): WARNING: A Gesture recognizer (&lt...
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How do I force git to use LF instead of CR+LF under windows?

... By now the .gitattributes lines should read: *.txt text eol=lf as per git-scm.com/docs/gitattributes – grandchild Jan 9 at 16:41 ...
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Remove not alphanumeric characters from string

...phanumeric, it will remove them. A backslash in the string needs escaping if it's to be taken literally: "\\test\\red\\bob\\fred\\new".replace(/\W/g, '') "testredbobfrednew" // output Handling malformed strings If you're not able to escape the input string correctly (why not?), or it's coming f...
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How do I list the symbols in a .so file

How do I list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library). ...
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Change all files and folders permissions of a directory to 644/755

... What if I want only the subfolder to be chmod 755 when specifying the desired_location ? Because this also will make the parent folder 755 – MaXi32 Jun 23 at 0:35 ...
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How to get the Power of some Integer in Swift language?

I'm learning swift recently, but I have a basic problem that can't find an answer 20 Answers ...
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Gradle store on local file system

...sk showMeCache << { configurations.compile.each { println it } } Now if you run gradle showMeCache it should download the deps into cache and print the full path. share | improve this answ...