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MySQL remove all whitespaces from the entire column
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203
To replace all spaces :
UPDATE `table` SET `col_name` = REPLACE(`col_name`, ' ', '')
To remo...
How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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How to convert a negative number to positive?
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edited Oct 5 '10 at 23:28
answered Oct 4 '10 at 10:26
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Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...
How can I generate a diff for a single file between two branches in github
...until-tag}
As an example, https://github.com/libgit2/libgit2sharp/compare/v0.9.0...v0.9.5 shows the diff between two versions of the LibGit2Sharp project. This diff includes all the modified files.
If you want to retrieve an url that targets a specific file:
Switch to the Files Changed tab
Click...
Change UICollectionViewCell size on different device orientations
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200
1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add...
how to hide a vertical scroll bar when not needed
... taller than 159px it won't start scrolling until the text is taller than 400px which is the height of the textbox.
Try this: http://jsfiddle.net/G9rfq/1/
I set overflow:auto on the text box, and made the textbox the same size as the div.
Also I don't believe it's valid to have a div inside a lab...
How do I draw a shadow under a UIView?
...eeds to happen after
CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you rearrange your code like this?
- (void)drawRect:(CGRect)rect {
...
Why does git revert complain about a missing -m option?
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C# Error: Parent does not contain a constructor that takes 0 arguments
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203
Since you don't explicitly invoke a parent constructor as part of your child class constructor,...