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UTF-8 all the way through

...and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set). In older versions of MySQL (< 5.5.3), you'll unfortunately be forced to use simply utf8, which only supports a subset o...
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Checking if a variable is not nil and not zero in ruby

...follow | edited Jul 18 '11 at 9:45 answered Oct 31 '08 at 0:36 ...
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How do I detect that an iOS app is running on a jailbroken phone?

... It depends what you mean by jailbreak. In the simple case, you should be able to see if Cydia is installed and go by that - something like NSString *filePath = @"/Applications/Cydia.app"; if ([[NSFileManager defaultManager]...
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Change Name of Import in Java, or import two classes with the same name

...re is no import aliasing mechanism in Java. You cannot import two classes with the same name and use both of them unqualified. Import one class and use the fully qualified name for the other one, i.e. import com.text.Formatter; private Formatter textFormatter; private com.json.Formatter jsonForma...
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How can you do anything useful without mutable state?

...of stuff about functional programming lately, and I can understand most of it, but the one thing I just can't wrap my head around is stateless coding. It seems to me that simplifying programming by removing mutable state is like "simplifying" a car by removing the dashboard: the finished product ma...
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How to bind inverse boolean properties in WPF?

...er over this one. I am by myself when coding (for now), so I need to go with a solution that "I" will remember, which I will use over and over. I also feel that the less wordy something is the better, and creating an inverse property is very explicit, making it easy for me to remember, as well a...
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Clojure: reduce vs. apply

...ociative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a lot of the common cases. What follows...
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64

... protocol PTP). This configuration is persistent, and I'm guessing that with a brand new device it will connect as MTP until told otherwise. Thanks to @Ciaran Gallagher Settings --> Storage --> Top Left Option (Computer USB Connection) tap--> choose MTP ...
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How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?

...des standard extension points. One of them is the beforecreate function. It should return false to prevent an item from being created. ...
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How do I disable a Pylint warning?

..."more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)). ...