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How do I create a URL shortener?
...ily by using some base conversion. Say you character space (A-Z, a-z, 0-9, etc.) has 62 characters, convert the id to a base-40 number and use the characters as the digits.
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What are the most-used vim commands/keypresses?
...arrow keys to move around, selecting text with the mouse, using the menus, etc. Then when something is slowing you down, you look up the faster way to do it, and gradually add more and more commands. You might learn one new command per day for a while, then it will trickle to one per week. You'll...
What does 'require: false' in Gemfile mean?
...sk. This would then save memory in the main app processes and startup time etc. App performance, however, should not be affected even if you require these additional gems in every process.
– Michael van Rooijen
Aug 14 '12 at 23:52
...
Rails I18n validation deprecation warning
... of the previously mentioned methods (default_locale=, locale=, translate, etc), make sure to do it after setting the config.i18n.enforce_available_locales setting. Otherwise, the deprecation warning will keep on popping up. (Thanks Fábio Batista).
If you use third party gems that include I18n feat...
Is it safe to use -1 to set all bits to true?
... the variable anyway, which would call for something like boost::uint16_t, etc.
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How to architect an Ember.js application
...re you understand the core concepts: models, routes, services, components, etc. Ember docs are a great resource, but since I haven't come across a single updated guide connecting all concepts (much less with a sample app) I decided to write this up: emberigniter.com/5-essential-ember-2.0-concepts
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How do I get jQuery to select elements with a . (period) in their ID?
....
So, I guess you're looking at
$(function() {
$.getJSON("/Location/GetCountryList", null, function(data) {
$("#Address\\.Country").fillSelect(data);
});
$("#Address\\.Country").change(function() {
$.getJSON("/Location/GetRegionsForCountry", { country: $(this).val() }, function(dat...
How to initialize static variables
... "type_a"=>"Type A",
"type_b"=>"Type B",
//... etc.
);
}
}
Wherever you need the list, simply call the getter method. For example:
if (array_key_exists($type, MyClass::getTypeList()) {
// do something important...
}
...
Extracting hours from a DateTime (SQL Server 2005)
...date]) returns the hour in military time ( 00 to 23 )
If you want 1AM, 3PM etc, you need to case it out:
SELECT Run_Time_Hour =
CASE DATEPART(HOUR, R.date_schedule)
WHEN 0 THEN '12AM'
WHEN 1 THEN '1AM'
WHEN 2 THEN '2AM'
WHEN 3 THEN '3AM'
WHEN 4 THEN '4AM'
WHEN 5 THE...
How do I make a Git commit in the past?
...repository is more complex (i.e. it has more than one ref (branches, tags, etc.)), then you will probably need to use git filter-branch. Before using git filter-branch, you should make a backup copy of your entire repository. A simple tar archive of your entire working tree (including the .git direc...