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Convert Time from one time zone to another in Rails
... created_at.in_time_zone("EST") is shorter
– Orlando
Jun 14 '12 at 18:00
51
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Finding median of list in Python
...ow do you find the median of a list in Python? The list can be of any size and the numbers are not guaranteed to be in any particular order.
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
I'm looking for a way to generate a "Create and insert all rows" script with SQL Management Studio 2008 R2.
4 Answers
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How exactly does __attribute__((constructor)) work?
...nguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destructor runs when the shared library is unloaded, typically at program exit.
So, the way the constructors and destructors work is that the shared object file cont...
converting Java bitmap to byte array
...cause problems if the image is not of type PNG?
– pgsandstrom
Sep 19 '12 at 12:38
7
won't because...
Efficient way to return a std::vector in c++
How much data is copied, when returning a std::vector in a function and how big an optimization will it be to place the std::vector in free-store (on the heap) and return a pointer instead i.e. is:
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How to list running screen sessions?
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To list all of the screen sessions for a user, run the following command as that user:
screen -ls
To see all screen sessions on a specific machine you can do:
ls -laR /var/run/screen/
I get this on my machine:
gentle ~ # ls -laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 ...
How to detect the current OS from Gradle
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Actually, I looked at the Gradle project, and this looks a little cleaner as it uses Ant's existing structure:
import org.apache.tools.ant.taskdefs.condition.Os
task checkWin() << {
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
println "*** Windows "
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How to get an MD5 checksum in PowerShell
...t solution offers as identified in the comments (uses a stream, closes it, and supports large files).
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How do I determine whether an array contains a particular value in Java?
...the searching functions in the Arrays class versus iterating over an array and using an equals() function or == for primitives.
– Thomas Owens
Jul 15 '09 at 0:06
188
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