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How to add a vertical Separator?

...would recommend reading through this article: WPF Layouts - A Visual Quick Start – Rachel Nov 27 '12 at 16:10 ...
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List of Big-O for PHP functions

...ough array would hurt you before the characteristics of lookup Big-O would start taking effect. For example the difference between a call to array_key_exists at N=1 and N=1,000,000 is ~50% time increase. Interesting Points: isset/array_key_exists is much faster than in_array and array_search +(un...
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Regular expression for floating point numbers

.... This is probably not what you've intended. To fix this, it's helpful to start by "anchoring" your regex with the bare-minimum required string, probably a single digit: \d+ Now we want to add the decimal part, but it doesn't go where you think it might: \d+\.?\d* /* This isn't quite correct. *...
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Mongod complains that there is no /data/db folder

I am using my new mac for the first time today. I am following the get started guide on the mongodb.org up until the step where one creates the /data/db directory. btw, I used the homebrew route. ...
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Difference between Java SE/EE/ME?

Which one should I install when I want to start learning Java? I'm going to start with some basics, so I will write simple programs that create files, directories, edit XML files and so on, nothing too complex for now. ...
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How to convert Milliseconds to “X mins, x seconds” in Java?

...nishes, I will subtract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour. ...
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SourceKitService Terminated

...urceKitService Terminated error. The symptoms I was having: When I would start up a new playground, I would receive an error about not being able to communicate with the playground (Error running playground: Failed prepare for communication with playground. See this image on twitter. When I would ...
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How do I make a splash screen?

...ou how to display a splash screen for a fixed amount of time when your app starts for e.g. branding reasons. E.g. you might choose to show the splash screen for 3 seconds. However if you want to show the spash screen for a variable amount of time (e.g. app startup time) you should check out Abdullah...
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contenteditable, set caret at the end of the text (cross-browser)

...lt;p contentEditable>foo bar </p> Placing the caret at the start is almost identical: it just requires changing the Boolean passed into the calls to collapse(). Here's an example that creates functions for placing the caret at the start and at the end: function createCaretPlacer(atS...
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How to compare dates in Java? [duplicate]

...ofPattern( "dd-MM-uuuu" ); Use that to parse the input strings. LocalDate start = LocalDate.parse( "22-02-2010" , f ); LocalDate stop = LocalDate.parse( "25-12-2010" , f ); In date-time work, usually best to define a span of time by the Half-Open approach where the beginning is inclusive while the...