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Understanding the ngRepeat 'track by' expression
...by expression of ng-repeat in angularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat
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jQuery .hasClass() vs .is()
...result:
http://jsperf.com/hasclass-vs-is-so
The is is multi-purpose, you can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not.
Hence, hasClass should be faster if performance at any level is y...
How to make git-diff and git log ignore new and deleted files?
...amed files. When doing git diff or git-log I'd like to omit them, so I can better spot the modifications.
3 Answers
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how to add records to has_many :through association in rails
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I think you can simply do this:
@cust = Customer.new(params[:customer])
@cust.houses << House.find(params[:house_id])
Or when creating a new house for a customer:
@cust = Customer.new(params[:customer])
@cust.houses.create(...
How to change variables value while debugging with LLDB in Xcode?
In Xcode, GDB allows you to change local variables while debugging (see how to change NSString value while debugging in XCode? ). Does LLDB offer a similar functionality? If so, how can we use it?
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Conda: Installing / upgrading directly from github
Can I install/upgrade packages from GitHub using conda ?
4 Answers
4
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jQuery: keyPress Backspace won't fire?
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it's the case. Keyup fires backspace, keypress doesn't -> weird. is there a chance to also check if two keys are pressed like cmd-c, or cmd-v, or cmd-a
– matt
Jan 14 '11 at 11:28
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AngularJS : What is a factory?
...ello, World!";
};
});
//factory style, more involved but more sophisticated
myApp.factory('helloWorldFromFactory', function() {
return {
sayHello: function() {
return "Hello, World!";
}
};
});
//provider style, full blown, configurable version
myApp.pro...
Should the .gradle folder be added to version control?
Gradle creates a folder called .gradle . Should I track it with my version control (i.e. git)?
5 Answers
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Providing a default value for an Optional in Swift?
...cessively verbose, if all you want to do is provide a default value in the case where it's nil:
4 Answers
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