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Python Regex - How to Get Positions and Values of Matches
... re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too.
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...ese are legal:
h = { :$in => array }
h = { :'a.b' => 'c' }
h[:s] = 42
but these are not:
h = { $in: array }
h = { 'a.b': 'c' } # but this is okay in Ruby2.2+
h[s:] = 42
You can also use anything as a key with => so you can do this:
h = { C.new => 11 }
h = { 23 => 'pancakes hous...
Create empty queryset by default in django form fields
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2 Answers
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how to customize `show processlist` in mysql?
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answered May 30 '09 at 12:09
AndomarAndomar
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How to change the DataTable Column Name?
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252
Try this:
dataTable.Columns["Marks"].ColumnName = "SubjectMarks";
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How to submit a form using PhantomJS
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230
I figured it out. Basically it's an async issue. You can't just submit and expect to render th...
Android OpenGL ES and 2D
...ent to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView drawing isn't that efficient when it comes to RT games).
My question is: where to start?
I've spent over a month browsing Google and reading/trying some ...
Reduce git repository size
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Jan 22 '10 at 11:32
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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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Empty Git submodule folder when repo cloned
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208
OK I found it, needed to add --recursive when cloning the repo.
So the clone command ends up ...