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mongodb find by multiple array items
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Depends on whether you're trying to find documents where words contains both elements (text and here) using $all:
db.things.find({ words: { $all: ["text", "here"] }});
or either of them (text or here) using $in:
db.things.find({ words: { $in: ["text"...
Prevent dialog dismissal on screen rotation in Android
I am trying to prevent dialogs built with Alert builder from being dismissed when the Activity is restarted.
11 Answers
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pinterest api documentation [closed]
Update Aug 2015: Pinterest provides it here now https://dev.pinterest.com/
10 Answers
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How do you dismiss the keyboard when editing a UITextField
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I set the delegate of the UITextField to my ViewController class.
In that class I implemented this method as following:
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return NO;
}
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Easy way to prevent Heroku idling?
In the Heroku free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
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Bootstrap carousel multiple frames at once
This is the effect I'm trying to achieve with Bootstrap 3 carousel
14 Answers
14
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What's the point of 'const' in the Haskell Prelude?
Looking through the Haskell Prelude, I see a function const :
9 Answers
9
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Position icons into circle
How can I position several <img> elements into a circle around another and have those elements all be clickable links as well? I want it to look like the picture below, but I have no idea how to achieve that effect.
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Convert UTC/GMT time to local time
We are developing a C# application for a web-service client. This will run on Windows XP PC's.
11 Answers
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How do I make a dotted/dashed line in Android?
I'm trying to make a dotted line. I'm using this right now for a solid line:
19 Answers
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