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How to check if a file contains a specific string using Bash
...ns # SomeString was found
fi
You don't need [[ ]] here. Just run the command directly. Add -q option when you don't need the string displayed when it was found.
The grep command returns 0 or 1 in the exit code depending on
the result of search. 0 if something was found; 1 otherwise.
$ echo hello...
Static and Sealed class differences
... of other types, based of this. Like some root class that can be inherited and instantiated, but can't inherit. Not sure why that'd be useful, but still
– AustinWBryan
May 20 '18 at 3:41
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Can I comment out a line in a .git/config file?
...xy line on my repository configuration file that I would like to 'turn on and off' easily without having to remember and type again the whole configuration every time I'm behind or free from this proxied connection.
...
in javascript, how can i get the last character in a string [duplicate]
...
Nice—and this is slightly faster. See jsperf.com/get-last-character-from-string
– ryanve
Jan 2 '12 at 1:03
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Where'd padding go, when setting background Drawable?
I have this issue on my EditText and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
...
Show SOME invisible/whitespace characters in Eclipse
...ll pick it up.
The text component in Eclipse is very complicated as it is and they are not keen on making them even worse.
[UPDATE] This has been fixed in Eclipse 3.7: Go to Window > Preferences > General > Editors > Text Editors
Click on the link "whitespace characters" to fine tune ...
Conditional import of modules in Python
...mport simplejson as json as it is likely a newer (faster) version of the standard json module.
– Seppo Erviälä
Oct 20 '12 at 17:07
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How to copy text to clipboard/pasteboard with Swift
...nt is plain text, you can just use the string property. It's both readable and writable:
// write to clipboard
UIPasteboard.general.string = "Hello world"
// read from clipboard
let content = UIPasteboard.general.string
(When reading from the clipboard, the UIPasteboard documentation also sugges...
Define an 's src attribute in CSS [duplicate]
... can change the size of the image this way by using background-size:cover, and then changing the height and width.
– Lee
Oct 28 '15 at 15:15
1
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How to enumerate a range of numbers starting at 1
...o do in Python 2.6 or newer:
enumerate(range(2000, 2005), 1)
Python 2.5 and older do not support the start parameter so instead you could create two range objects and zip them:
r = xrange(2000, 2005)
r2 = xrange(1, len(r) + 1)
h = zip(r2, r)
print h
Result:
[(1, 2000), (2, 2001), (3, 2002), ...