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Exit a Script On Error
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In context:
if jarsigner -verbose -keystore $keyst -keystore $pass $jar_file $kalias
then
echo $jar_file signed sucessfully
else
echo ERROR: Failed to sign $jar_file. Please recheck the variables 1>&2
exit 1 # terminate and indicate error
fi
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What does “xmlns” in XML mean?
I saw the following line in an XML file:
5 Answers
5
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How do I make a fully statically linked .exe with Visual Studio Express 2005?
...al Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more luck that I would like. Attempting to run one of these programs on an old (2001 vintag...
Why doesn't print work in a lambda?
...ssign the result of print to a variable:
>>> x = print "hello"
File "<stdin>", line 1
x = print "hello"
^
SyntaxError: invalid syntax
You also can't put a variable assignment in a lambda, since assignments are statements:
>>> lambda y: (x = y)
File "&l...
show all tags in git log
... see it in output of "git show <tag>" and also in output of "git cat-file -p <tag>", where <tag> is heavyweight tag, e.g. v1.6.3 in git.git repository),
and also is default name of tag reference (reference in "refs/tags/*" namespace) pointing to a tag object.
Note that the tag...
How to work with Git branches and Rails migrations
...eproduce real life bugs locally, it's absolutely impossible to use a seeds file, you need the real data from production (or staging). And restoring a database can take quite a while, so no this isn't a good solution for my case.
– Joel_Blum
Jan 10 '19 at 10:31
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Printing the value of a variable in SQL Developer
... 1.5.5, I don't seem to have that option under View. There's Connections, Files, Reports... Status Bar, Toolbars, Refresh, but no DBMS Output. Lots of stuff under preferences, but I still don't see an option for output.
– ruffin
Sep 11 '12 at 22:15
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...RX59oyw&t=1340183926&u=1034306809-4fe18e0d3f6b71340182029-bl9i4xuo&s=51200&file=darwin_snow_legacy.iso.zip
Rebel EFI.iso：thunder://QUFodHRwOi8vZG93bmxvYWRzLml0bW9wLmNvbS9zeXN0ZW0vc3lzdGVtcXQvUmViZWwuRUZJK2Rhcndpbi56aXBaWg==
Mac OSX 系统10.6.7（或更高）Combo升级包：苹果官...
Why can't the tag contain a tag inside it?
...ment tag, but you can't write a document in a paragraph. The same as a DOC file.
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How do I remove/delete a virtualenv?
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If you've created a virtualenv in a git repo (and the files are not ignored): git clean -dffx
– Rex Hardin
Feb 22 '18 at 3:35
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