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Add comma to numbers every three digits

... 242 @Paul Creasey had the simplest solution as the regex, but here it is as a simple jQuery plugin:...
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How best to determine if an argument is not sent to the JavaScript function

...Arg2 = 'default2'; case 3: optionalArg3 = 'default3'; case 4: break; default: throw new Error('illegal argument count') } // do stuff } This has the downside that the programmer's intention is not (visually) obvious and uses 'magic numbers'; it is therefore possibly...
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How is mime type of an uploaded file determined by browser?

...ferences (managed by the handler service) // 3. OS-provided information // 4. our "extras" array // 5. Information from plugins // 6. The "ext-to-type-mapping" category The hard-coded lists come earlier in the file, somewhere near line 441. You're looking for defaultMimeEntries and extraMimeEntries...
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I didn't find “ZipFile” class in the “System.IO.Compression” namespace

...> <PackageReference Include="System.IO.Compression.ZipFile" Version="4.3.0" /> If you are working on .NET Framework without NuGet, you need to add a dll reference to the assembly, "System.IO.Compression.FileSystem.dll" - and ensure you are using at least .NET 4.5 (since it doesn't exist i...
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pandas: How do I split text in a column into multiple rows?

... This splits the Seatblocks by space and gives each its own row. In [43]: df Out[43]: CustNum CustomerName ItemQty Item Seatblocks ItemExt 0 32363 McCartney, Paul 3 F04 2:218:10:4,6 60 1 31316 Lennon, John 25 F01 1:13:36:...
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How Big can a Python List Get?

...pyport.h to be ((size_t) -1)>>1 On a regular 32bit system, this is (4294967295 / 2) / 4 or 536870912. Therefore the maximum size of a python list on a 32 bit system is 536,870,912 elements. As long as the number of elements you have is equal or below this, all list functions should operat...
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Portable way to get file size (in bytes) in shell?

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Why does this Java code compile?

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How to detect iPhone 5 (widescreen devices)?

I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4" Retina' size to your view controller in the storyboard. ...
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Efficient evaluation of a function at every cell of a NumPy array

... 164 You could just vectorize the function and then apply it directly to a Numpy array each time you ...