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Incrementing in C++ - When to use x++ or ++x?
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Actually, the answer is misleading. The point in time where the variable x is modified probably doesn't differ in practice. The difference is that x++ is defined to return an rvalue of the previous value of x while ++x still refers to the variable x.
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Is UML practical? [closed]
... it appears that UML is not used heavily in the industry. Is it worth the time during a project to create UML diagrams? Also, I find that class diagrams are generally not useful, because it's just faster to look at the header file for a class. Specifically which diagrams are the most useful?
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What does if __name__ == “__main__”: do?
...p, the interpreter executes all the code in the module, one statement at a time. You may want to open another window on the side with the code sample so you can follow along with this explanation.
Always
It prints the string "before import" (without quotes).
It loads the math module and assigns it...
How to get back to the latest commit after checking out a previous commit?
I sometimes check out some previous version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer sho...
resizes wrong; appears to have unremovable `min-width: min-content`
...ndroid 4.1.2 Stock Browser and possibly other old versions; I have not had time to verify this.
² All links to the Gecko source in this answer refer to the 5065fdc12408 changeset, committed 29ᵗʰ July 2013; you may wish to compare notes with the most recent revision from Mozilla Central.
³ See...
Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
...out the files I'm working on before I try to switch branches. I think sometimes this issue occurs due to git catching up with a slow file system. Other, more git-knowledgeable developers can chime in if they think this is correct.
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How do I avoid the specification of the username and password at every git push?
...lso specify caching expire,
git config --global credential.helper 'cache --timeout 7200'
After enabling credential caching, it will be cached for 7200 seconds (2 hours).
Note: Credential helper stores an unencrypted password on a local disk.
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How to remove a web site from google analytics
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They change the options all the time. Now, it has rubbish bin option.
– Rahul Bali
May 9 '16 at 17:31
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Returning binary file from controller in ASP.NET Web API
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@BendEg Seems like at one time I checked the source and it did. And it makes sense that it should. Not being able to control the source of the framework, any answer to this question could change over time.
– Ronnie Overby
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Go > operators
...r (possibly over) simplified definition is just that << is used for "times 2" and >> is for "divided by 2" - and the number after it is how many times.
So n << x is "n times 2, x times". And y >> z is "y divided by 2, z times".
For example, 1 << 5 is "1 times 2, 5 tim...