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Leading zeros for Int in Swift

...ability provided by the Foundation framework. Note that both import UIKit and import Cocoa include Foundation so it isn't necessary to import it again if you've already imported Cocoa or UIKit. The format string can specify the format of multiple items. For instance, if you are trying to format...
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How to convert a char to a String?

I have a char and I need a String . How do I convert from one to the other? 12 Answers ...
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How to use SCNetworkReachability in Swift

...the Swift language, which made it a bit confusing. I have now rewritten it and removed everything which refers to Swift 1.x. The older code can be found in the edit history if somebody needs it.) This is how you would do it in Swift 2.0 (Xcode 7): import SystemConfiguration func connectedToNetwor...
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Git alias with positional parameters

...-status \"$1^\" \"$1\"; }; f" An alias without ! is treated as a Git command; e.g. commit-all = commit -a. With the !, it's run as its own command in the shell, letting you use stronger magic like this. UPD Because commands are executed at the root of repository you may use ${GIT_PREFIX} variab...
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Example for boost shared_mutex (multiple reads/one write)?

I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
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Java Reflection: How to get the name of a variable?

... class files. One compile-time optimization is to remove it, saving space (and providing some obsfuscation). However, when it is is present, each method has a local variable table attribute that lists the type and name of local variables, and the range of instructions where they are in scope. Perha...
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]

... answered Jun 3 '11 at 8:57 Andrew GrimmAndrew Grimm 67.5k4646 gold badges181181 silver badges303303 bronze badges ...
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Convert bytes to a string

I'm using this code to get standard output from an external program: 19 Answers 19 ...
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How to cancel an $http request in AngularJS?

... what should I do in case I need both a timeout and manual cancelling via promise? – Raman Chodźka Jul 26 '13 at 9:56 15 ...
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Gson - convert from Json to a typed ArrayList

...JsonLog is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6. ...