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Maven: how to do parallel builds?
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Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
mvn -T 4 clean install # Builds with 4 threads
mvn -T 1C clean install # 1 thread per cpu core
mvn -T 1.5C clean install # 1.5 thread per cpu core
Full do...
How do I get AWS_ACCESS_KEY_ID for Amazon?
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just a heads up, you can now view your keys without downloading them through the webpage
– lfender6445
Mar 30 '17 at 3:07
add...
Ruby/Rails: converting a Date to a UNIX timestamp
...I try it:
>> Date.today.to_time.to_i
=> 1259244000
>> Time.now.to_i
=> 1259275709
The difference between these two numbers is due to the fact that Date does not store the hours, minutes or seconds of the current time. Converting a Date to a Time will result in that day, midnight...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
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Updated Now with improved recursion depth! Works on MSVC10 and GCC without increased depth. :)
Simple compile-time recursion + addition:
template<unsigned Cur, unsigned Goal>
struct adder{
static unsigned const sub_goal =...
What are some better ways to avoid the do-while(0); hack in C++?
...ue/end" markers that vary depending on where you are in the data stream.
Now, when we're done, we need to save the data to a file.
And yes, there are often other solutions that can provide a reasonable solution, but not always.
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Is there a way to change the environment variables of another process in Unix?
... On some systems gdb may give the following error: 'putenv' has unknown return type; cast the call to its declared return type; in those cases you should change putenv call to this: call (int) putenv ("env_var_name=env_var_value")
– Emir Uner
Feb 20 '19...
Version number comparison in Python
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Now you've merged all the good ideas from the others into your solution ... :-P still, this is pretty much what I'd do after all. I'll accept this answer. Thanks, everyone
– Johannes Charra
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Wrapping StopWatch timing with a delegate or lambda?
...}
sw.Stop();
return sw;
}
Any object deriving from DependencyObject can now call TimedFor(..). The function can easily be adjusted to provide return values via ref params.
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If you didn't want the functionality to be tied to any class / object you could do something like:
public class Timing
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Python, remove all non-alphabet chars from string
...hhh... Upper and lower case... // Thanks for all the help, works perfectly now!
– KDecker
Mar 20 '14 at 0:54
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Determine distance from the top of a div to top of window with javascript
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distance = (elementOffset - scrollTop);
The distance variable now holds the distance from the top of the #my-element element and the top-fold.
Here is a demo: http://jsfiddle.net/Rxs2m/
Note that negative values mean that the element is above the top-fold.
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