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Simple (non-secure) hash function for JavaScript? [duplicate]
... can simply call .hashCode() on any string, e.g. "some string".hashCode(), and receive a numerical hash code (more specifically, a Java equivalent) such as 1395333309.
String.prototype.hashCode = function() {
var hash = 0;
if (this.length == 0) {
return hash;
}
for (var i =...
Getting value of select (dropdown) before change
...he value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change.
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MySQL: Fastest way to count number of rows
...mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't really fit - when you start grouping results, you can run into problem...
Git: add vs push vs commit
What is the difference between git add , push and commit ?
8 Answers
8
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How to hide elements without having them take space on the page?
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Try setting display:none to hide and set display:block to show.
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Setup RSpec to test a gem (not Rails)
... used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually.
I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install .
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Can I find events bound on an element with jQuery?
I bind two event handlers on this link:
9 Answers
9
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What GRANT USAGE ON SCHEMA exactly do?
...missions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute
3 Answers
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Bind TextBox on Enter-key press
The default databinding on TextBox is TwoWay and it commits the text to the property only when TextBox lost its focus.
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Bordered UITextView
... I didn't think it really needed much explaining, view is the UITextView, and the code goes wherever you'd set up the view (awakeFromNib or viewDidLoad are two possible places). Since there was no code given there's no way to give good context in response.
– Kendall Helmstett...