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iOS Equivalent For Android Shared Preferences

...: NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults]; NSString *currentLevelKey = @"currentlevel"; if ([preferences objectForKey:currentLevelKey] == nil) { // Doesn't exist. } else { // Get current level const NSInteger currentLevel = [preferences integerForKey:curr...
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Easy pretty printing of floats in python?

...ise numbers, but get rid of trailing zeros for example, use the formatting string %g: np.set_printoptions(formatter={"float_kind": lambda x: "%g" % x}) For just printing once and not changing global behavior, use np.array2string with the same arguments as above. ...
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JAX-RS / Jersey how to customize error handling?

...ption extends WebApplicationException { public NotAuthorizedException(String message) { super(Response.status(Response.Status.UNAUTHORIZED) .entity(message).type(MediaType.TEXT_PLAIN).build()); } } And to throw this newly create Exception you simply: @Path("account...
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How to download image from url

...rl), @"c:\temp\image35.png"); } These methods are almost same as DownloadString(..) and DownloadStringAsync(...). They store the file in Directory rather than in C# string and no need of Format extension in URi If You don't know the Format(.png, .jpeg etc) of Image public void SaveImage(string f...
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How can I output leading zeros in Ruby?

... Use the % operator with a string: irb(main):001:0> "%03d" % 5 => "005" The left-hand-side is a printf format string, and the right-hand side can be a list of values, so you could do something like: irb(main):002:0> filename = "%s/%s.%04d....
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Check if $_POST exists

...g to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all. 14 Answers ...
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How do detect Android Tablets in general. Useragent?

...droid and mobile Android. This is incorrect. Mobile Android has "Mobile" string in the User-Agent header. Tablet Android does not. But it is worth mentioning that there are quite a few tablets that report "Mobile" Safari in the userAgent and the latter is not the only/solid way to differentiate b...
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Java Date vs Calendar

.... Use SimpleDateFormat together with TimeZone and Date to generate display Strings. If you're feeling adventurous use Joda-Time, although it is unnecessarily complicated IMHO and is soon to be superceded by the JSR-310 date API in any event. I have answered before that it is not difficult to roll yo...
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Are delphi variables initialized with a value by default?

... (for records) or elements (for arrays) that are reference-counted like: string, variant, interface or dynamic array or static array containing such types. Notes: record itself is not enough to become reference-counted I have not tried this with generics yet ...
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Prompt for user input in PowerShell

... Read-Host is a simple option for getting string input from a user. $name = Read-Host 'What is your username?' To hide passwords you can use: $pass = Read-Host 'What is your password?' -AsSecureString To convert the password to plain text: [Runtime.InteropServ...