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Get most recent file in a directory on Linux
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I use:
ls -ABrt1 --group-directories-first | tail -n1
It gives me just the file name, excluding folders.
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Undefined symbols for architecture armv7
...Target" is ticked. The tick box is just under "Copy if needed" and "Create group".
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Script entire database SQL-Server
...et 'Types of data to script' to true (it is at the bottom of the 'General' group)
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`ui-router` $stateParams vs. $state.params
...t allows this sort of syntax:
<a ui-sref="toState(thingy)" class="list-group-item" ng-repeat="thingy in thingies">{{ thingy.referer }}</a>
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How do you run a single test/spec file in RSpec?
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from help (spec -h):
-l, --line LINE_NUMBER Execute example group or example at given line.
(does not work for dynamically generated examples)
Example: spec spec/runner_spec.rb -l 162
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Display help message with python argparse when script is called without any arguments
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This answer comes from Steven Bethard on Google groups. I'm reposting it here to make it easier for people without a Google account to access.
You can override the default behavior of the error method:
import argparse
import sys
class MyParser(argparse.ArgumentParser):
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Using sed to mass rename files
...i" "`echo $i | sed "s/regex/replace_text/"`";
done
If the regex contains groups (e.g. \(subregex\) then you can use them in the replacement text as \1\,\2 etc.
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What is the purpose of the : (colon) GNU Bash builtin?
...may treat the "((" as introducing as an arithmetic evaluation instead of a grouping command."
– ormaaj
Jun 30 '15 at 23:35
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Most efficient way to make the first character of a String lower case?
...olution, but this is deprecated now, we should use commons-text's: compile group: 'org.apache.commons', name: 'commons-text', version: '1.2'
– dk7
Jan 26 '18 at 13:44
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Is there a good Valgrind substitute for Windows?
...ely new tool, works very well on Windows 7. My favorite feature is that it groups the same leaks' allocation stacks in the report.
http://code.google.com/p/drmemory/
I have also used UMDH( http://support.microsoft.com/kb/268343 ) and found it quiet useful and easy to setup. It works from Win2000 t...