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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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JSON.stringify without quotes on properties?
...n to remove quotes by formally parsing the JSON string via native function and reserialize it:
function stringify(obj_from_json) {
if (typeof obj_from_json !== "object" || Array.isArray(obj_from_json)){
// not an object, stringify using native function
return JSON.stringify(obj_...
How to set the width of a cell in a UITableView in grouped style
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A better and cleaner way to achieve this is subclassing UITableViewCell and overriding its -setFrame: method like this:
- (void)setFrame:(CGRect)frame {
frame.origin.x += inset;
frame.size.width -= 2 * inset;
[super setFr...
Awaiting multiple Tasks with different results
... Task.WhenAll() allows to run the task in parallel mode. I can't understand why @Servy has suggested to remove it. Without the WhenAll they will be run one by one
– Sergey G.
Mar 13 '15 at 12:07
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Google fonts URL break HTML5 Validation on w3.org
... pipe character is unsafe: Other characters are unsafe because gateways and other transport agents are known to sometimes modify such characters. These characters are "{", "}", "|", "\", "^", "~", "[", "]", and "`".
– steveax
Oct 20 '17 at 4:37
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Adding a simple UIAlertView
...d OK
if (buttonIndex == 0) {
// do something here...
}
}
And make sure your delegate conforms to UIAlertViewDelegate protocol:
@interface YourViewController : UIViewController <UIAlertViewDelegate>
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Replace comma with newline in sed on MacOS?
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i was looking for replacing '.' period , and this was the solution i'm looking for :)
– Jonah
Nov 24 '15 at 17:32
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Simplest code for array intersection in javascript
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Use a combination of Array.prototype.filter and Array.prototype.includes:
array1.filter(value => array2.includes(value))
For older browsers, with Array.prototype.indexOf and without an arrow function:
array1.filter(function(n) {
return array2.indexOf(n) !== ...
Latest jQuery version on Google's CDN
...DN team has joined us in this effort to prevent
inadvertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay locked at version 1.11.1 as well.
The following, now moot, answer is preserved here for historical reasons.
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