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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
...there is an attribute on an element in jQuery? Similar to hasClass , but with attr ?
9 Answers
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Programmatically selecting text in an input field on iOS devices (mobile Safari)
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edited Mar 20 '19 at 6:46
Stalinko
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When should I use Arrow functions in ECMAScript 6?
...ontext of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
9 Answers
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Python regular expressions return true/false
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It may be more desirable to use if re.match(...) is None: instead
– NuclearPeon
Feb 1 '17 at 22:42
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Smart pointers: who owns the object? [closed]
... deallocation when the counter reaches zero
weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate
auto_ptr - when the creation and deallocation happen inside the same function, or when the object has to be considered one-owner-only ever. When you assign one pointer to ano...
Difference between map and collect in Ruby?
... and multi-paradigm languages as well: In C++'s Standard Template Library, it is called transform, in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called m...
Bash command to sum a column of numbers [duplicate]
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paste -sd+ infile | bc
Using stdin:
<cmd> | paste -sd+ | bc
Edit:
With some paste implementations you need to be more explicit when reading from stdin:
<cmd> | paste -sd+ - | bc
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Add line break to 'git commit -m' from the command line
I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
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Can't install PIL after Mac OS X 10.9
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edited Dec 9 '13 at 19:30
answered Oct 23 '13 at 15:05
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Django class-based view: How do I pass additional parameters to the as_view method?
...for the base class function where this is set .
– binithb
Nov 23 '15 at 16:57
In github.com/django/django/blob/master/...