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Determine if ActiveRecord Object is New
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ndnenkov
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answered Oct 20 '11 at 22:20
John BeynonJohn Beynon
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Increment a database field by 1
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answered May 4 '10 at 4:41
SampsonSampson
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How to reset a remote Git repository to remove all commits?
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edited May 6 '15 at 17:00
answered Jan 5 '10 at 13:23
Li...
Initializing a two dimensional std::vector
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208
Use the std::vector::vector(count, value) constructor that accepts an initial size and a defaul...
Enums and Constants. Which to use when?
...rom here as I'm lazy)
[FlagsAttribute]
enum DistributedChannel
{
None = 0,
Transacted = 1,
Queued = 2,
Encrypted = 4,
Persisted = 16,
FaultTolerant = Transacted | Queued | Persisted
}
Constants should be for a single value, like PI. There isn't a range of PI values, there is just PI.
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Iterate over object keys in node.js
...matter.
var async = {};
async.forEach = function(o, cb) {
var counter = 0,
keys = Object.keys(o),
len = keys.length;
var next = function() {
if (counter < len) cb(o[keys[counter++]], next);
};
next();
};
async.forEach(obj, function(val, next) {
// do things
setTimeout(ne...
Using querySelector with IDs that are numbers
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109
It is valid, but requires some special handling. From here: http://mathiasbynens.be/notes/css-...
How do I capture bash output to the Mac OS X clipboard?
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edited Jan 10 '10 at 2:09
answered Nov 18 '09 at 1:50
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How do I force a UITextView to scroll to the top every time I change the text?
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edited Jul 17 '18 at 15:06
keeshux
47122 silver badges88 bronze badges
answered Apr 1 '10 at 3:02
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