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What is database pooling?
...:
+---------+
| |
| Clients |
+---------+ |
| |-+ (1) +------+ (3) +----------+
| Clients | ===#===> | Open | =======> | RealOpen |
| | | +------+ +----------+
+---------+ | ^
| | (2)
| ...
How to remove a field from params[:something]
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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rai...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
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111
To understand what mod_rewrite does you first need to understand how a web server works. A web...
Find and restore a deleted file in a Git repository
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3212
Find the last commit that affected the given path. As the file isn't in the HEAD commit, this c...
How to make an inline-block element fill the remainder of the line?
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169
See: http://jsfiddle.net/qx32C/36/
.lineContainer {
overflow: hidden; /* clear the f...
How do I sort an array of hashes by a value in the hash?
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216
Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! f...
Accessing an array out of bounds gives no error, why?
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17 Answers
17
Active
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dispatch_after - GCD in Swift?
...).
Example usage:
let delayTime = dispatch_time(DISPATCH_TIME_NOW, Int64(1 * Double(NSEC_PER_SEC)))
dispatch_after(delayTime, dispatch_get_main_queue()) {
print("test")
}
EDIT:
I recommend using @matt's really nice delay function.
EDIT 2:
In Swift 3, there will be new wrappers for GCD. Se...
Chrome: timeouts/interval suspended in background tabs?
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91
I recently asked about this and it is behaviour by design. When a tab is inactive, only at a max...
Get current time in milliseconds in Python?
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13 Answers
13
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