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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
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10
The statement "rules which are inherited, but not applied, they will appear as greyed/dimmed text" is untrue. If not applied, they will hav...
MongoDB with redis
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Didier SpeziaDidier Spezia
60.6k1010 gold badges156156 silver badges139139 bronze badges
...
Match two strings in one line with grep
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edited Sep 10 at 15:26
Muhammad Reda
23.4k1212 gold badges8383 silver badges9999 bronze badges
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Find objects between two dates MongoDB
...ems to work.
items.save({
name: "example",
created_at: ISODate("2010-04-30T00:00:00.000Z")
})
items.find({
created_at: {
$gte: ISODate("2010-04-29T00:00:00.000Z"),
$lt: ISODate("2010-05-01T00:00:00.000Z")
}
})
=> { "_id" : ObjectId("4c0791e2b9ec877893f3363b"), "na...
Stop an input field in a form from being submitted
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Chris van Chip
1051111 bronze badges
answered Jun 9 '10 at 17:03
GalGal
19.7k2929 gold badges...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
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answered Sep 15 '17 at 8:10
Jeff BowenJeff Bowen
4,52811 gold badge2222 silver badges3737 bronze badges
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document.getElementById vs jQuery $()
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1035
Not exactly!!
document.getElementById('contents'); //returns a HTML DOM Object
var contents...
What does @@variable mean in Ruby?
...Square example (which outputs nil) to demonstrate that this may not behave 100% as you expect; the article I linked above has plenty of additional information on the subject.
Also keep in mind that, as with most data, you should be extremely careful with class variables in a multithreaded environme...
Delete/Reset all entries in Core Data?
...ernalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the external record files behind. Since the naming scheme of these external record files is not public, I don't have a universal solution yet. – a...
How do I add a ToolTip to a control?
...e ToolTip.
toolTip1.AutoPopDelay = 5000;
toolTip1.InitialDelay = 1000;
toolTip1.ReshowDelay = 500;
// Force the ToolTip text to be displayed whether or not the form is active.
toolTip1.ShowAlways = true;
// Set up the ToolTip text for the Button and Checkbox.
tool...