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How to store standard error in a variable
... don't want to capture stderr and stdout and the exit code all at the same time.
if result=$(useless.sh 2>&1); then
stdout=$result
else
rc=$?
stderr=$result
fi
works for the common scenario where you expect either proper output in the case of success, or a diagnostic message on...
ExecutorService, how to wait for all tasks to finish
...wers = es.invokeAll(todo);
As others have pointed out, you could use the timeout version of invokeAll() if appropriate. In this example, answers is going to contain a bunch of Futures which will return nulls (see definition of Executors.callable(). Probably what you want to do is a slight refact...
How to get highcharts dates in the x axis?
...at for the current zoom-range. This is done if the xAxis has the type 'datetime'. Next the unit of the current zoom is calculated, it could be one of:
second
minute
hour
day
week
month
year
This unit is then used find a format for the axis labels. The default patterns are:
second: '%H:%M:%S',
m...
How to open Atom editor from command line in OS X?
... were pointing to the Downloads folder from where I ran Atom for the first time. Then after moving Atom to the applications folder the symlinks were broken and the Install Shell Command option was not able to notice it. What I had to do was to remove the symlinks and then select the Install Shell Co...
'const string' vs. 'static readonly string' in C#
... you use a const string, the compiler embeds the string's value at compile-time.
Therefore, if you use a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-compile it.
A static readonly string is a normal...
How to run iPhone emulator WITHOUT starting Xcode?
...de once.
run ios simulator
drag the ios simulator icon to dock it.
Next time you want to use it, just click on the ios simulator icon in the dock.
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Generator Expressions vs. List Comprehension
...comprehensions are better when you want to iterate over something multiple times). However, it's also worth noting that you should use a list if you want to use any of the list methods. For example, the following code won't work:
def gen():
return (something for something in get_some_stuff())...
How can I view a git log of just one user's commits?
... by pressing / and then typing "author", followed by Enter. Type "n" a few times to get to the relevant section, which reveals:
git log --author="username"
as already suggested.
Note that this will give you the author of the commits, but in Git, the author can be someone different from the comm...
What are the key differences between Scala and Groovy? [closed]
...meant to handle. However, where multiple dispatch can only dispatch on runtime type, Scala's pattern matching can dispatch on runtime types, values, or both. Pattern matching also includes syntactically pleasant variable binding. It's hard to overstress how pleasant this single feature alone make...
Launch an app on OS X with command line
...this doesn't solve the OP's problem, but hopefully it saves someone else's time. :)
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