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MySQL: @variable vs. variable. What's the difference?
...2 @var2
--- ---
2 2
CALL prc_test();
var2 @var2
--- ---
2 3
CALL prc_test();
var2 @var2
--- ---
2 4
As you can see, var2 (procedure variable) is reinitialized each time the procedure is called, while @var2 (session-specific variable) is not.
(In addition to user-defined v...
How does `scp` differ from `rsync`?
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365
The major difference between these tools is how they copy files.
scp basically reads the sour...
.htaccess mod_rewrite - how to exclude directory from rewrite rule
...RewriteRule?
– rineez
Aug 14 '12 at 3:04
7
@rineez RewriteCond does always require a RewriteRule ...
Git merge errors
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edited May 23 '17 at 12:02
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answered May 15 '11 at 7:23
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How can I use grep to show just filenames on Linux?
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1703
The standard option grep -l (that is a lowercase L) could do this.
From the Unix standard:
-l
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Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...f central has elapsed or updates are forced -> [Help 1]
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Had maven 3.0.5, eclipse Kepler with JBoss Dev Studio 7 installed. Computer sitting on internal network with proxy to the internet. Here's what I did.
0. Check the maven repositiory server is up
1. Check Proxy is set up and working
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
... worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form the parameter list as
parameter-declaration-listopt ...opt
So the double-ellipsis is formed by a parameter-declaration-list ending with a parameter pack, followed by another ellipsis.
Th...
Show just the current branch in Git
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$ git rev-parse --abbrev-ref HEAD
master
This should work with Git 1.6.3 or newer.
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Installing specific package versions with pip
...the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
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Spring schemaLocation fails when there is no internet connection
... an example see this part of the spring.schemas contents in spring-context-3.0.5.RELEASE.jar:
http\://www.springframework.org/schema/context/spring-context-2.5.xsd=org/springframework/context/config/spring-context-2.5.xsd
http\://www.springframework.org/schema/context/spring-context-3.0.xsd=org/spr...