大约有 48,000 项符合查询结果（耗时：0.0950秒） [XML]
Can you put two conditions in an xslt test attribute?
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From XML.com:
Like xsl:if instructions, xsl:when
elements can have more elaborate
contents between their start- and
end-tags—for example, literal result
elements, xsl:element elements, or
even xsl:if and xsl:c...
How can I concatenate two arrays in Java?
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I found a one-line solution from the good old Apache Commons Lang library. ArrayUtils.addAll(T[], T...)
Code:
String[] both = ArrayUtils.addAll(first, second);
share
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Assign output to variable in Bash
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Same with something more complex...getting the ec2 instance region from within the instance.
INSTANCE_REGION=$(curl -s 'http://169.254.169.254/latest/dynamic/instance-identity/document' | python -c "import sys, json; print json.load(sys.stdin)['region']")
echo $INSTANCE_REGION
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count (non-blank) lines-of-code in bash
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Just habit. I read pipelines from left to right, which means I usually start with cat, then action, action, action, etc. Clearly, the end result is the same.
– Michael Cramer
Sep 24 '08 at 14:06
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...et_directory
The full available extended globbing operators are (excerpt from man bash):
If the extglob shell option is enabled using the shopt builtin, several extended
pattern matching operators are recognized.A pattern-list is a list of one or more patterns separated by a |. Composi...
Android: how to handle button click
...us classes can be factored out into a separate helper method that's called from onCreate().
– Nick Alexeev
Feb 29 '16 at 7:28
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Describe the architecture you use for Java web applications? [closed]
... Jersey (JAX-RS), Jackson (JSON de-/serialisation), DTO-objects (different from business logic models)
Business Logic
Spring for DI and Event handling. DDD-ish approach of model objects. Longer running jobs are offloaded with SQS in worker-modules.
DAO
Repository model with Spring JDBC-templates...
Batch file: Find if substring is in string (not in a file)
...% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original didn't contain a bcd string in it, the modified version will be identical.
Testing with the following script will show it in action:
@setlocal enableextensions enabledelayedexpansion
@ech...
Best practice for embedding arbitrary JSON in the DOM?
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Thank you. The quote from the spec has convinced me.
– Ben Lee
Feb 16 '12 at 23:25
17
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Writing a dict to txt file and reading it back?
...ternative to it that is safer. This is called literal_eval and you get it from a Python module called ast.
import ast
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = ast.literal_eval(s)
ast.literal_eval() will only evaluate strings that turn into the basic Python types, ...