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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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Best way to serialize an NSData into a hexadeximal string
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206
This is a category applied to NSData that I wrote. It returns a hexadecimal NSString representi...
Adding a new array element to a JSON object
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answered Sep 19 '13 at 1:20
Paul S.Paul S.
55.3k77 gold badges9797 silver badges114114 bronze badges
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How do I interactively unstage a particular hunk in git?
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edited Jul 31 '14 at 12:50
answered Mar 4 '11 at 0:34
Aasm...
Why do we need argc while there is always a null at the end of argv?
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106
Yes, argv[argc]==NULL is guaranteed. See C11 5.1.2.2.1 Program startup (my emphasis)
If th...
Modifying a query string without reloading the page
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answered Oct 9 '13 at 18:05
Fabio NolascoFabio Nolasco
5,14255 gold badges2828 silver badges3131 bronze badges
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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...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...wing 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
4 Answers
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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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Pythonic way of checking if a condition holds for any element of a list
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any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
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