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cd into directory without having permission
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edited Jul 5 '13 at 20:59
answered Jul 5 '13 at 20:21
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UINavigationController without navigation bar?
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edited Apr 9 at 15:30
iluvatar_GR
7561010 silver badges1818 bronze badges
answered Apr 23 '11 at 1...
Print array elements on separate lines in Bash?
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450
Try doing this :
$ printf '%s\n' "${my_array[@]}"
The difference between $@ and $*:
Unquote...
Saving grid.arrange() plot to file
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edited Nov 6 '14 at 0:27
answered Jun 12 '13 at 21:07
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JSP : JSTL's tag
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answered Nov 14 '08 at 19:05
krosenvoldkrosenvold
68.6k2626 gold badges135135 silver badges200200 bronze badges
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...ColorSpaceRelease(colorSpace);
CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef);
CGContextRelease(context);
// Now your rawData contains the image data in the RGBA8888 pixel format.
NSUInteger byteIndex = (bytesPerRow * y) + x * bytesPerPixel;
for (int i =...
Getting only Month and Year from SQL DATE
...g a year/month only date field
SELECT
DATEADD(MONTH, DATEDIFF(MONTH, 0, <dateField>), 0) AS [year_month_date_field]
FROM
<your_table>
This gets the number of whole months from a base date (0) and then adds them to that base date. Thus rounding Down to the month in which the d...
Transactions in .net
What are the best practices to do transactions in C# .Net 2.0. What are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any respons...
Javascript - Track mouse position
...tially, when a page loads - this tracker should start and for (say) every 100 ms, I should get the new value of posX and posY and print it out in the form.
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How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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