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How to do a LIKE query in Arel and Rails?
...(users[:name].matches("%#{params[:user_name]}%")), I tried TRUNCATE users; and other such queries and nothing happened on the sql side. Looks safe to me.
– earlonrails
Aug 28 '13 at 18:56
...
using gitignore to ignore (but not delete) files
...f .gitignore, you can update local git repository by running following command:
git update-index --assume-unchanged <file>
In this case a file is being tracked in the origin repo. You can modify it in your local repo and git will never mark it as changed. Read more at:
http://blog.pagebak...
How to override the [] operator in Python?
...elf, key):
return key * 2
myobj = MyClass()
myobj[3] #Output: 6
And if you're going to be setting values you'll need to implement the __setitem__ method too, otherwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <mo...
Declaring an enum within a class
...is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...at the directory "E:\java resources\apache-maven-2.2.0\bin" is on your command search path.
Make sure that the JAVA_HOME variable refers to the home directory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then the JAVA_HOME variable needs to point to "E:\Sun\SDK\...
How to trigger XDebug profiler for a command line PHP script?
...r POST parameter "XDEBUG_PROFILE" when calling a script via HTTP. This is handy if you don't want profiling for ALL of your scripts but only for a few special cases without always changing your PHP configuration.
...
JavaScript listener, “keypress” doesn't detect backspace?
...etc.
UPDATE:
The keypress event is fired when a key is pressed down and that key normally produces a character value
Reference.
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How to remove indentation from an unordered list item?
...
Set the list style and left padding to nothing.
ul {
list-style: none;
padding-left: 0;
}
ul {
list-style: none;
padding-left: 0;
}
<ul>
<li>a</li>
<li>b</li>
<li>c</li&g...
Minimum and maximum date
I was wondering which is the minimum and the maximum date allowed for a Javascript Date object. I found that the minimum date is something like 200000 B.C., but I couldn't get any reference about it.
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SonarQube Exclude a directory
...ed Jul 26 '15 at 15:59
Juan HernandezJuan Hernandez
1,25111 gold badge77 silver badges22 bronze badges
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