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Unpack a list in Python?
...{'foo': 'bar', 'spam': 'ham'}
f(**kwargs)
and there is equivalent syntax for specifying catch-all arguments in a function signature:
def func(*args, **kw):
# args now holds positional arguments, kw keyword arguments
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rspec 3 - stub a class method
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FWIW, this form would crash my ruby interpreter. However, and_return is not strictly needed and can be left off. (My ruby interpreter also doesn't crash.)
– Ray Fix
Mar 21 '15 at 1:26
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Find all files with a filename beginning with a specified string?
I have a directory with roughly 100000 files in it, and I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files.
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How to skip “are you sure Y/N” when deleting files in batch files
I can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
4 Answers
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How can I pass arguments to a batch file?
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Another useful tip is to use %* to mean "all". For example:
echo off
set arg1=%1
set arg2=%2
shift
shift
fake-command /u %arg1% /p %arg2% %*
When you run:
test-command admin password foo bar
the above batch file will run:
fake-command /u admin /p password admin pas...
Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
...y time. As Ignacio and MarkR say, this means that CLOCK_REALTIME can jump forwards and backwards as the system time-of-day clock is changed, including by NTP.
CLOCK_MONOTONIC represents the absolute elapsed wall-clock time since some arbitrary, fixed point in the past. It isn't affected by change...
Why is using the JavaScript eval function a bad idea?
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Improper use of eval opens up your
code for injection attacks
Debugging can be more challenging
(no line numbers, etc.)
eval'd code executes slower (no opportunity to compile/cache eval'd code)
Edit: As @Jeff Walden points out in comments, #3 is less true today t...
C# List to string with delimiter
... non-linq syntax in Quartermeister's answer and I think Aggregate might perform slower (probably more string concatenation operations).
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Installing CocoaPods: no response
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For others wondering the same, installing the gem takes forever. If you run:
export GEM_HOME=~/.gems
export PATH=$GEM_HOME/bin:$PATH
gem install cocoapods -V
Installing with flag V enables verbose output which will let yo...
How to create loading dialogs in Android?
...or indeterminate progress, you should instead follow the design guidelines for Progress & Activity and use a ProgressBar in your layout."
– Ilya Kogan
May 7 '13 at 20:14
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