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How to reshape data from long to wide format
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answered May 4 '11 at 23:20
ChaseChase
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How to “crop” a rectangular image into a square with CSS?
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answered Mar 1 '13 at 22:04
MichaelMichael
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Creating PHP class instance with a string
...er cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$objec...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
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143
The question is misguided. When creating a model field in Django, you are not defining a functi...
Can someone explain collection_select to me in clear, simple terms?
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306
collection_select(
:post, # field namespace
:author_id, # field name
# result of ...
Difference between adjustResize and adjustPan in android?
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243
From the Android Developer Site link
"adjustResize"
The activity's main window is always resize...
Valid to use (anchor tag) without href attribute?
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edited Dec 18 '19 at 20:37
Community♦
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answered May 9 '12 at 5:34
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How to export revision history from mercurial or git to cvs?
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3 Answers
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Active
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How to increase font size in a plot in R?
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Dirk EddelbuettelDirk Eddelbuettel
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How to do what head, tail, more, less, sed do in Powershell? [closed]
...elect -last 10 # tail
gc -Tail 10 log.txt # also tail (since PSv3), also much faster than above option
gc log.txt | more # or less if you have it installed
gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed
This works well enough for small files, larger ones (more tha...