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Check a collection size with JSTL
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<c:if test="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >.
<c...
Aggregate function in an SQL update query?
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edited Jan 6 '10 at 1:06
answered Jan 5 '10 at 23:32
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Applying function with multiple arguments to create a new pandas column
...n:
>>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary func...
Don't Echo Out cURL
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answered Dec 16 '09 at 22:54
Matt McCormickMatt McCormick
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msbuild.exe staying open, locking files
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answered Oct 12 '10 at 23:55
BrianBrian
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How to set the style -webkit-transform dynamically using JavaScript?
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201
The JavaScript style names are WebkitTransformOrigin and WebkitTransform
element.style.webkitT...
How can you sort an array without mutating the original array?
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Putzi SanPutzi San
2,38011 gold badge1414 silver badges2626 bronze badges
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Can I create more than one repository for github pages?
...mentation, including options for using custom domain names.
(since April 2013, all username.github.com are now username.github.io)
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How to remove a field from params[:something]
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edited Nov 9 '18 at 20:06
rmcsharry
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OS X Terminal Colors [closed]
...o enable the global
terminal colors.
Edit your .bash_profile (since OS X 10.8) — or (for 10.7 and earlier): .profile or .bashrc or /etc/profile (depending on availability) — in your home directory and add following code:
export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced
CLICOLOR=1 sim...