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Apply function to all elements of collection through LINQ [duplicate]

...ently started off with LINQ and its amazing. I was wondering if LINQ would allow me to apply a function - any function - to all the elements of a collection, without using foreach. Something like python lambda functions. ...
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Extracting bits with a single multiplication

..... A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place. Multiplication by 4 (00000100) would shift everything left by 2 and get you to a00b0000 . To get the b to move up we need to...
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Concatenating two one-dimensional NumPy arrays

...smetic than substantial, but it's good when the API is consistent (e.g. if all the numpy functions that take variable length argument lists require explicit sequences). – Jim K. Aug 24 '16 at 20:43 ...
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How do you turn a Mongoose document into a plain object?

...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this? ...
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Bring element to front using CSS

... I don't really remember the circumstances of my question clearly, but my problem was, that I understood what z-index does, but still it did not work. What I have learned from this answer is, that with z-index you have to take into cons...
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Stack smashing detected

... Stack Smashing here is actually caused due to a protection mechanism used by gcc to detect buffer overflow errors. For example in the following snippet: #include <stdio.h> void func() { char array[10]; gets(array); } int main(int argc,...
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How to check iOS version?

...system version as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available. Checking for the presence of APIs: For example, you can check if UIPopoverController is available on the current device using NSCla...
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How to convert ActiveRecord results into an array of hashes

...d objects to Ruby Hashes despite its name tasks_records = TaskStoreStatus.all tasks_records = tasks_records.as_json # You can now add new records and return the result as json by calling `to_json` tasks_records << TaskStoreStatus.last.as_json tasks_records << { :task_id => 10, :sto...
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How do I print to the debug output window in a Win32 app?

...you can use the L prefix: OutputDebugStringW(L"My output string."); Normally you will use the macro version together with the _T macro like this: OutputDebugString(_T("My output string.")); If you project is configured to build for UNICODE it will expand into: OutputDebugStringW(L"My output s...
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How do I replace whitespaces with underscore?

...s, such as \t or a non-breaking space. – Roberto Bonvallet Jun 17 '09 at 15:49 13 Yes you are cor...