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Understanding the ngRepeat 'track by' expression
I'm having difficulties understanding how the track 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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Is Java RegEx case-insensitive?
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RegexBuddy is telling me if you want to include it at the beginning, this is the correct syntax:
"(?i)\\b(\\w+)\\b(\\s+\\1)+\\b"
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jQuery .hasClass() vs .is()
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Update:
I committed a test following a comment and four upvotes to very comment. It turns out that what I had said is the correct answer. Here is the result:
http://jsperf.com/hasclass-vs-is-so
The is is multi-purpose, you ...
how to add records to has_many :through association in rails
How do I add to the Agents model for Customer ?
3 Answers
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Conda: Installing / upgrading directly from github
Can I install/upgrade packages from GitHub using conda ?
4 Answers
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jQuery: keyPress Backspace won't fire?
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Use keyup instead of keypress. This gets all the key codes when the user presses something
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AngularJS : What is a factory?
I've been doing a lot of work on Angular.js and overall I find it to be an interesting and powerful framework.
4 Answers
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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?
...om for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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Why can I not push_back a unique_ptr into a vector?
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You need to move the unique_ptr:
vec.push_back(std::move(ptr2x));
unique_ptr guarantees that a single unique_ptr container has ownership of the held pointer. This means that you can't make copies of a unique_ptr (because th...