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What does “rc” mean in dot files
...e Candidate.
Edit: No, I take it back officially... "run commands"
[Unix: from runcom files on the CTSS system 1962-63, via the startup script /etc/rc]
Script file containing startup instructions for an application program (or an entire operating system), usually a text file containing commands of ...
gitignore does not ignore folder
...
This will completely remove the folder from the (current version of the) repo. OP wants the folder to be there, but new changes should not be tracked
– Gareth
Jun 25 '14 at 13:39
...
How to benchmark efficiency of PHP script
... browser, yet doing so could (in some circumstances) push you further away from the achieving the latter.
Hopefully all of the above can help show that carefully isolated 'lab' testing will not reflect the variables and problems that you will encounter in production, and that you must identify what...
How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
How to delete files/subfolders in a specific directory at the command prompt in Windows
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Use single percentage sign if you wish to run direct from command line e.g. %p
– Alex
Mar 9 '14 at 8:24
...
Cookie overflow in rails application?
...he migration
rake db:migrate
Modify config/initializers/session_store.rb from
(App)::Application.config.session_store :cookie_store, :key => 'xxx'
to
(App)::Application.config.session_store :active_record_store
Once you’ve done the three steps, restart your application. Rails will now ...
How can we print line numbers to the log in java
...
From Angsuman Chakraborty:
/** Get the current line number.
* @return int - Current line number.
*/
public static int getLineNumber() {
return Thread.currentThread().getStackTrace()[2].getLineNumber();
}
...
CSS Display an Image Resized and Cropped
I want to show an image from an URL with a certain width and height even if it has a different size ratio.
So I want to resize (maintaining the ratio) and then cut the image to the size I want.
...
What are the true benefits of ExpandoObject?
... {0}", sender);
}
}
Also, keep in mind that nothing is preventing you from accepting event arguments in a dynamic way. In other words, instead of using EventHandler, you can use EventHandler<dynamic> which would cause the second argument of the handler to be dynamic.
...
Java: random long number in 0
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Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.current().nextLong(n) (for 0 ≤ x < n) and ThreadLocalRandom.current().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for deta...