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How to deal with floating point number precision in JavaScript?

...ou really need your results to add up exactly, especially when you work with money: use a special decimal datatype. If you just don’t want to see all those extra decimal places: simply format your result rounded to a fixed number of decimal places when displaying it. If you have no d...
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json_encode is returning NULL?

For some reason the item "description" returns NULL with the following code: 10 Answers ...
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Is there a query language for JSON?

... Sure, how about: JsonPath. Json Query They all seem to be a bit work in progress, but work to some degree. They are also similar to XPath and XQuery conceptually; even though XML and JSON have different conceptual models (hierarchic vs object/struct). EDIT Sep-2015: Actually there is ...
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Count number of days between two dates

... With the Date (and DateTime) classes you can do (end_date - start_date).to_i to get the number of days difference. share | i...
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C# static class constructor

...static class YourClass { static YourClass() { // perform initialization here } } From MSDN: A static constructor is used to initialize any static data, or to perform a particular action that needs to be performed once only. It is called automatically before the first i...
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Fatal error: “No Target Architecture” in Visual Studio

When I try to compile my c++ project using Visual Studio 2010 in either Win32 or x64 mode I get the following error: 11 Ans...
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How can I change the color of pagination dots of UIPageControl?

I am developing an application in which I want to change either color or image of UIPageControl pagination dots. How can I change it? Is it possible to customize UIpageControl on above scenario? ...
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Why are unsigned int's not CLS compliant?

...t drove the decision of the designers of VB7/7.1 not to implement as well (it's implemented now in VB8). To quote: http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx The CLS was designed to be large enough to include the language constructs that are commonly needed by developers, yet small enoug...
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BASH copy all files except one

...ould like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you? ...
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Problems with entering Git commit message with Vim

... If it is VIM for Windows, you can do the following: enter your message following the presented guidelines press Esc to make sure you are out of the insert mode then type :wqEnter or ZZ. Note that in VIM there are often sever...