大约有 40,000 项符合查询结果（耗时：0.0657秒） [XML]
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...
How to get a substring of text?
I have text with length ~700. How do I get only ~30 of its first characters?
5 Answers
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Remove duplicate values from JS array [duplicate]
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edited Dec 26 '16 at 10:53
Martijn Pieters♦
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Forward host port to docker container
... list of network adapters, one of which will look something like
3: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 22:23:6b:28:6b:e0 brd ff:ff:ff:ff:ff:ff
inet 172.17.42.1/16 scope global docker0
inet6 fe80::a402:65ff:fe86:bba6/64 scope link
valid_lft...
What is the difference between 'log' and 'symlog'?
...de
pyplot.ion()
# Draw the grid lines
pyplot.grid(True)
# Numbers from -50 to 50, with 0.1 as step
xdomain = numpy.arange(-50,50, 0.1)
# Plots a simple linear function 'f(x) = x'
pyplot.plot(xdomain, xdomain)
# Plots 'sin(x)'
pyplot.plot(xdomain, numpy.sin(xdomain))
# 'linear' is the default mod...
How to get commit history for just one branch?
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Adam Rosenfield
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answered Jun 7 '13 at 0:06
alexalex
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Get and set position with jQuery .offset()
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edited Apr 7 '17 at 6:04
pstanton
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answ...
Check if a string contains another string
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390
Use the Instr function
Dim pos As Integer
pos = InStr("find the comma, in the string", ",")
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Get the key corresponding to the minimum value within a dictionary
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answered Jul 19 '10 at 16:21
community wiki
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Is there an alternative to string.Replace that is case-insensitive?
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From MSDN
$0 - "Substitutes the last substring matched by group number number (decimal)."
In .NET Regular expressions group 0 is always the entire match. For a literal $ you need to
string value = Regex.Replace("%PolicyAmount%", "%Pol...