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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
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iOS 7 style Blur view
...class that is using an AVCapture session. You must use AVCaptureSession in order to override apple's built in camera configuration. Thus you can overlay the tranclucent UIToolBar from the YourUIView class.
YourViewController.h
#import <UIKit/UIKit.h>
@interface YourViewController : UIViewCo...
How to discard local changes in an SVN checkout?
...er changes are not required : """Rest of the changes I made, were for basically debugging, and are no longer required.""" :)
– Cédric Julien
Feb 27 '12 at 10:54
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Python Regex - How to Get Positions and Values of Matches
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(0, 2)
(22, 24)
(29, 31)
you should be able to do something on the order of
for match in re.finditer(r'[a-z]', 'a1b2c3d4'):
print match.span()
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How do I get Gridview to render THEAD?
...) you'll throw exceptions like:
The table must contain row sections in order of header, body and then footer.
protected override void OnPreRender(EventArgs e)
{
if ( (this.ShowHeader == true && this.Rows.Count > 0)
|| (this.ShowHeaderWhenEmpty == true))
{
//For...
How to rename files and folder in Amazon S3?
...u can use the --dryrun flag to check the output of the command without actually running it.
– kmundnic
Aug 6 '19 at 21:14
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How to read from standard input in the console?
... you shall use scanner.Scan() prior to scanner.Text() that is mandatory in order to parse the input for stdin ending with an enter \n, right?
– Victor
Jul 20 at 13:15
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Get properties and values from unknown object
...swered Nov 10 '10 at 13:15
CocowallaCocowalla
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Catch all JavaScript errors and send them to server
I wondered if anyone had experience in handling JavaScript errors globally and send them from the client browser to a server.
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Create timestamp variable in bash script
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In order to get the current timestamp and not the time of when a fixed variable is defined, the trick is to use a function and not a variable:
#!/bin/bash
# Define a timestamp function
timestamp() {
date +"%T" # current time
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