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Shell script to delete directories older than n days
...+10 -exec rm -rf {} \;
Explanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each suc...
What's the difference between “Normal Reload”, “Hard Reload”, and ...
...fied" responses. If the browser can avoid re-downloading cached JavaScript files, images, text files, etc. then it will.
Hard reload
Don't use anything in the cache when making the request. (which is equal to SHIFT+F5 No need to open Developer console) Force the browser do re-download every JavaScr...
Commands executed from vim are not recognizing bash command aliases
...
edit your .vimrc file (vim ~/.vimrc) and put that in a line there (without the :)
– skeept
Jan 10 '11 at 17:25
9
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SLF4J: Class path contains multiple SLF4J bindings
...ough your jar names could be different)
SLF4J: Found binding in
[jar:file:/D:/Java/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/D:/Java/repository/org/apache/logging/log4j/log4j-slf4j-...
What does bundle exec rake mean?
...ipt in the context of the current bundle (the one from your directory's Gemfile). rake db:migrate is the script where db is the namespace and migrate is the task name defined.
So bundle exec rake db:migrate executes the rake script with the command db:migrate in the context of the current bundle.
...
Origin is not allowed by Access-Control-Allow-Origin
...ess-Control-Allow-Origin * setting in the Apache configuration or htaccess file.
It should be noted that this effectively disables CORS protection, which very likely exposes your users to attack. If you don't know that you specifically need to use a wildcard, you should not use it, and instead you ...
Why is it said that “HTTP is a stateless protocol”?
...k. You could serve HTTP over named pipes if you wanted, or even by sending files around, if you got enough masochists to agree to do it, and it would work precisely because HTTP is transport-protocol-agnostic. At that level, it's all just requests and responses. That makes HTTP itself stateless, reg...
Copying data from one SQLite database to another
...ng sqlite> .databases
you can see the output as
seq name file
--- --------------- ----------------------------------------------------------
0 main /mnt/fastaccessDS/core/csv/atlanta.db
2 AM...
The application may be doing too much work on its main thread
...ion is if none of the above answers help, you may also check your resource files size.
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How to unit test abstract classes: extend with stubs?
...I'd like to explore why.
We have a standard format for our configuration files. This particular tool has 3 configuration files all in that format. I wanted a strongly typed class for each setting file so, through dependency injection, a class could ask for the settings it cared about.
I implemen...