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Is “IF” expensive?

... if in itself is not slow. Slowness is always relative i bet for my life that you haven't ever felt the "overhead" of an if-statement. If you are going to make a high-performance code, you migh want to avoid branches anyway. What makes if slow is that the processor is preloading code from ...
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How to add a second css class with a conditional value in razor MVC 4

...n be justified to do it the way syned says. I did it exactly like that. In my case I'm relying on a ViewModel object full of information for rendering the view, it's not just a data object. – Gonzalo Méndez Apr 11 '16 at 16:40 ...
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Visual Studio Post Build Event - Copy to Relative Directory Location

...e folder's (tree) structure, such as: xcopy /i /e /s /y /f "<source>\MyFolder\*" "<destination>\MyFolder" – Dr1Ku Feb 21 '13 at 12:55 ...
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Why aren't programs written in Assembly more often? [closed]

... FWIW in my day job I compile our product with gcc -g -O0, because being able to attach gdb to it on a live system and not go mad due to variables optimized out of existence, is worth a hell of a lot more to the company than it would ...
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C++ semantics of `static const` vs `const`

... I was just checking $3.3 and I think the closest is 'namespace scope'. Is my understanding right? The C++03 standard mentions file scope only in the Appendices – Chubsdad Sep 15 '10 at 0:31 ...
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Django ModelForm: What is save(commit=False) used for?

... attachment.file_type = "text" attachment.save() here is my example of using save(commit=False). I wanted to check what type of file a user uploaded before saving it to the database. I also wanted to get the date it was attached since that field was not in the form. ...
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How can I copy the content of a branch to a new local branch?

... git branch copyOfMyBranch MyBranch This avoids the potentially time-consuming and unnecessary act of checking out a branch. Recall that a checkout modifies the "working tree", which could take a long time if it is large or contains large fi...
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Match multiple cases classes in scala

... Though my example doesn't show it I am needing those params. Looks like I'll just have to use an object. Thanks! – timdisney Dec 3 '09 at 7:01 ...
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Getting key with maximum value in dictionary?

...e f7. Did test with ipython %timeit and both came with same performance on my machine on python 2.7. Testing: f1 - 18 µs per loop Testing: f2 - 33.7 µs per loop Testing: f3b - 50 µs per loop Testing: f4b - 30.7 µs per loop Testing: f5 - 28 µs per loop Testing: f6 - 23 µs per loop Testin...
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Change timestamps while rebasing git branch

... In my case rebasing changed timestamps to CommitDate value, so in gitweb a bunch of months old commits showed up as 4 days old. I found the last commit with the correct date and did: $ git rebase --committer-date-is-author-date...