大约有 2,500 项符合查询结果（耗时：0.0264秒） [XML]
Checking if a string is empty or null in Java [duplicate]
...st uses "return cs == null || cs.length() == 0;" Also, since commons.lang 2.0, isEmpty() no longer trims the String. So, StringUtils.isEmpty(" ") returns false - but StringUtils.isBlank(" ") returns true.
– eze
Jul 14 '14 at 15:52
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How to include() all PHP files from a directory?
... While this was a solid answer when it was posted, as of PHP7.2.0 this method has been deprecated and shouldn't be used. Instead, use spl_autoload_register.
– frozenjakalope
Aug 13 '18 at 11:28
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File input 'accept' attribute - is it useful?
Implementing a file upload under html is fairly simple, but I just noticed that there is an 'accept' attribute that can be added to the <input type="file" ...> tag.
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How to scale a UIImageView proportionally?
... UIImage this way
image = [UIImage imageWithCGImage:[image CGImage] scale:2.0 orientation:UIImageOrientationUp];
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How to silence output in a Bash script?
...d in 4.0. There is no mention of &> but the CHANGES only go back to 2.0 so I think that means it was already in 1.x.
– tripleee
Jun 30 '16 at 2:17
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Execute raw SQL using Doctrine 2
...docs for the connection object at http://www.doctrine-project.org/api/dbal/2.0/doctrine/dbal/connection.html
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Converting a date string to a DateTime object using Joda Time library
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I get an Invalid format: "2014-11-04T17:41:52.000+01:00" is malformed at "+01:00" with the following formatter: private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'ZZ'"); DATE_TIME_FORMATTER.parseDateTime((S...
Is there any difference between “foo is None” and “foo == None”?
...eq__() method. It doesn't cares about identity.
In [102]: x, y, z = 2, 2, 2.0
In [103]: id(x), id(y), id(z)
Out[103]: (38641984, 38641984, 48420880)
In [104]: x is y
Out[104]: True
In [105]: x == y
Out[105]: True
In [106]: x is z
Out[106]: False
In [107]: x == z
Out[107]: True
None is a sing...
Find which version of package is installed with pip
... - active
simplejson - 2.5.0 - active
transaction - 1.2.0 - active
translationstring - 1.1 - active
venusian - 1.0a3 - active
waitress - 0.8.1 - active
wsgiref - 0.1.2 - active development (/usr/lib/python2.7)
yolk ...
JSTL in JSF2 Facelets… makes sense?
...ivalent?
Should PARTIAL_STATE_SAVING be set to false?
Communication in JSF 2.0 - @ViewScoped fails in tag handlers
To see some real world examples where JSTL tags are helpful (i.e. when really properly used during building the view), see the following questions/answers:
How to make a grid of JSF...