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Grep only the first match and stop
...args -I '{}' stdbuf -oL zgrep -al 'pattern' {} | head -n 1. This, however, does not terminate on the first match. Any advice?
– DKroot
Sep 27 '18 at 23:23
2
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Change color of UISwitch in “off” state
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running Xcode 11.2.1, works when running the app, but it does not show the color in IB.... anyway, it works when deployed to device.
– zumzum
Nov 20 '19 at 22:50
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Are global variables in PHP considered bad practice? If so, why?
...lobal variables in other languages it means something different to what it does in PHP. That's because variables aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typically encom...
how to reset
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This is the correct method. It works in all browsers and does not conflict with any protections that browsers implement to prevent rogue scripts from messing around with file input's .value.
– Eugene Ryabtsev
Mar 21 '16 at 8:26
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SQL Server SELECT into existing table
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SELECT ... INTO ... only works if the table specified in the INTO clause does not exist - otherwise, you have to use:
INSERT INTO dbo.TABLETWO
SELECT col1, col2
FROM dbo.TABLEONE
WHERE col3 LIKE @search_key
This assumes there's only two columns in dbo.TABLETWO - you need to specify the colum...
Which is better, number(x) or parseFloat(x)?
...; NaN
In addition, Number understands hexadecimal input while parseFloat does not:
parseFloat('0x10'); // => 0
Number('0x10'); // => 16
But Number acts weird with empty strings or strings containing only white space:
parseFloat(''); // => NaN
Number(''); // => 0
parseFloat(' \r\n\t...
Multiprocessing vs Threading Python [duplicate]
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The GIL in cPython does not protect your program state. It protects the interpreter's state.
– Jeremy Brown
Jun 15 '10 at 14:19
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UICollectionView inside a UITableViewCell — dynamic height?
...Size, and use it as the size of your cell. This is the UIView method that "does the magic":
-(void)systemLayoutSizeFittingSize:(CGSize)targetSize
withHorizontalFittingPriority:(UILayoutPriority)horizontalFittingPriority
verticalFittingPriority:(UILayoutPriority)verticalFittingPrio...
AngularJS - Create a directive that uses ng-model
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EDIT: This answer is old and likely out of date. Just a heads up so it doesn't lead folks astray. I no longer use Angular so I'm not in a good position to make improvements.
It's actually pretty good logic but you can simplify things a bit.
Directive
var app = angular.module('plunker', [])...
How to hide TabPage from TabControl [duplicate]
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No, this doesn't exist. You have to remove the tab and re-add it when you want it. Or use a different (3rd-party) tab control.
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