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Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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Change a Rails application to production
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How to setup and run a Rails 4 app in Production mode (step-by-step) using Apache and Phusion Passenger:
Normally you would be able to enter your Rails project, rails s, and get a development version of your app at http://something.com:3...
Remove an item from a dictionary when its key is unknown
...re currently testing for object identity (is only returns True if both operands are represented by the same object in memory - this is not always the case with two object that compare equal with ==). If you are doing this on purpose, then you could rewrite your code as
some_dict = {key: value for k...
Python and pip, list all versions of a package that's available?
...l the possible versions of it that pip could install? Right now it's trial and error.
16 Answers
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How to remove the querystring and get only the url?
...st don't see any point not to use function that does exactly what you need and use another one and parse it result (i.e get [0] after exploding) (unless of course there is a specific reason like better performance, lack of unneeded dependency, etc).
– RiaD
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How to convert integer timestamp to Python datetime
...mat, so I'm not sure how the timestamp is formatted. I've tried Python's standard datetime.fromordinal() and datetime.fromtimestamp() and a few others, but nothing matches. I'm pretty sure that particular number corresponds to the current date (e.g. 2012-3-16), but not much more.
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Difference between final static and static final
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@Annotation public protected private static final transient volatile
And for methods:
@Annotation public protected private abstract static final synchronized native strictfp
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“Remote System Explorer Operation” causing freeze for couple of seconds
...build order
Select RemoteSystemsTempFiles
Click Remove Project
Click Apply and Close
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Is there “0b” or something similar to represent a binary number in Javascript
... is a prefix for hexadecimal numbers in Javascript. For example, 0xFF stands for the number 255.
10 Answers
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Remove duplicates in the list using linq
... , What will be the change in code if i have a List<my_Custom_Class> and List<string>. My custom class has various items in which one is DCN number and list<string> has only DCN number. So I need to check the List<Custom_Class> contains any dcn from List<string>. For ex...