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How can I get the current date and time in UTC or GMT in Java?
When I create a new Date object, it is initialized to the current time but in the local timezone. How can I get the current date and time in GMT?
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How to list all users in a Linux group?
... pam-pgsql, etc.).
If I absolutely had to do this myself, I'd probably do it in reverse: use id to get the groups of every user on the system (which will pull all sources visible to NSS), and use Perl or something similar to maintain a hash table for each group discovered noting the membership of t...
Can I use Objective-C blocks as properties?
Is it possible to have blocks as properties using the standard property syntax?
8 Answers
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Using Case/Switch and GetType to determine the object [duplicate]
If you want to switch on a type of object, what is the best way to do this?
10 Answers
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
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The first syntax is redundant - the WITH CHECK is default for new constraints, and the constraint is turned on by default as well.
This syntax is generated by the SQL management studio when generating sql scripts -- I'm assuming it's some sort of extra redundan...
What are the git concepts of HEAD, master, origin?
As I'm learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is s...
Simple explanation of MapReduce?
... to the basics for Map and Reduce.
Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list.
suppose I have a list of numbers: [1,2,3] and I want to double every number, in this case, the function to "double every number" ...
How can I remove an SSH key?
...SH key uploaded on a server. The problem is I lost my ~/.ssh directory (with the original id_rsa and id_rsa.pub files).
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PHP json_encode encoding numbers as strings
I am having one problem with the PHP json_encode function. It encodes numbers as strings, e.g.
17 Answers
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Is it possible to break a long line to multiple lines in Python [duplicate]
... lines. But in Python , if I do this, there will be an indent error... Is it possible?
7 Answers
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