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Should you always favor xrange() over range()?
...ter, and a bit more memory efficient. But the gain is not very large.
The extra memory used by a list is of course not just wasted, lists have more functionality (slice, repeat, insert, ...). Exact differences can be found in the documentation. There is no bonehard rule, use what is needed.
Python...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...ke a long time to execute, like for example doing a webservice call to get extra data for the form above.The good thing is that because the view already exists and is being displayed to the user, you can show a nice "Waiting" message to the user while you get the data.
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Java compile speed vs Scala compile speed
... files. Depending on the size of your classpath this can take one to three extra seconds.
Overall, expect a startup overhead of scalac of 4-8 seconds, longer if you run it the first time so disk-caches are not filled.
Scala's answer to startup overhead is to either use fsc or to do continuous bui...
How to intercept all AJAX requests made by different JS libraries
... for other reasons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control met...
Asynchronous Requests with Python requests
...and then asking a loop to execute those tasks and exit upon completion. No extra libraries subject to lack of maintenance, no lack of functionality required.
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Method can be made static, but should it?
...xtreme situations as the only thing that is actually happening is that one extra parameter (this) is getting pushed onto the stack for instance methods.
How do you suppress output in IPython Notebook?
...tdout and sys.stdout = open(os.devnull, 'w') both fail (end up printing an extra blank line). This should be the accepted answer.
– Luke Davis
Nov 4 '18 at 18:20
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Variable declaration placement in C
...ation and initialization of a C++ local object then you pay the cost of an extra constructor for nothing. If the no-arg constructor does not exist then again you are not even allowed to separate both!
C99 starts to move C in this same direction.
If you are worried of not finding where local varia...
How do you create a remote Git branch?
...n do gitb feature/abcd - this sets it up for git pull and git push without extra arguments + pushes the new branch into the remote repo to verify that the name is really free.
– youurayy
Jun 9 at 20:35
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Putting license in each code file? [closed]
...not allowed to use it at all. So as the publisher, you don't have to go to extra lengths to make people read the license.
– Michael Borgwardt
May 10 '09 at 21:59
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