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Create a tag in a GitHub repository
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1590
You can create tags for GitHub by either using:
the Git command line, or
GitHub's web interfac...
How do I convert a PDF document to a preview image in PHP? [closed]
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10 Answers
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Move window between tmux clients
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DIG mbl
10366 bronze badges
answered Jun 26 '10 at 10:54
mb14mb14
20.3k44 gold badges51...
Assign output to variable in Bash
...erring to the variable.
#!/bin/bash
IP=$(curl automation.whatismyip.com/n09230945.asp)
echo "$IP"
sed "s/IP/$IP/" nsupdate.txt | nsupdate
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Preserve line endings
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+50
You can use the -b option for sed to have it treat the file as binary. This will fix the problem with cygwin's sed on Windows.
Exam...
RegEx: Smallest possible match or nongreedy match
... without matching unless absolutely necessary, use something like (?:blah){0,1}?. For a repeating match (either using {n,} or {n,m} syntax) append a question mark to try to match as few as possible (e.g. {3,}? or {5,7}?).
The documentation on regular expression quantifiers may also be helpful.
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Show an image preview before upload
... // read the image file as a data URL.
reader.readAsDataURL(this.files[0]);
};
Here's a good article on using the File APIs in JavaScript.
The code snippet in the HTML example below filters out images from the user's selection and renders selected files into multiple thumbnail previews:
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What is “lifting” in Scala?
...ion.
scala> val pf: PartialFunction[Int, Boolean] = { case i if i > 0 => i % 2 == 0}
pf: PartialFunction[Int,Boolean] = <function1>
scala> pf.lift
res1: Int => Option[Boolean] = <function1>
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[...
Autowiring two beans implementing same interface - how to set default bean to autowire?
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answered May 10 '12 at 12:35
skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
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Insert the carriage return character in vim
...n Unix ( \n newlines). I need to insert the carriage return character ( U+000D aka \r ). When I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ).
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