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Compare integer in bash, unary operator expected
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edited Aug 9 '15 at 3:44
answered Mar 3 '09 at 4:41
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With CSS, use “…” for overflowed block of multi-lines
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answered Jun 3 '11 at 5:22
Jim ThomasJim Thomas
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Maven – Always download sources and javadocs
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xecaps12xecaps12
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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Add EBS to Ubuntu EC2 Instance
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325
Since this is a new volume, you need to format the EBS volume (block device) with a file syste...
How to use R's ellipsis feature when writing your own function?
...luated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of arguments: list(a=1:10,b=11:20,c=21:30) and substitute make it a list of four elements:
List of 4
$ : symbol list
$ a: language 1:10
$ b: language 11:20
$ c: language 21:30
First element d...
How can I check if a key exists in a dictionary? [duplicate]
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3 Answers
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Active
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Why doesn't list have safe “get” method like dictionary?
...ows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list).
Of course, you can easily implement this yourself:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
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How to declare variable and use it in the same Oracle SQL script?
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139
There are a several ways of declaring variables in SQL*Plus scripts.
The first is to use VAR, ...
Windows batch: formatted date into variable
...that contain the individual parts, would be:
for /f %%x in ('wmic path win32_localtime get /format:list ^| findstr "="') do set %%x
set today=%Year%-%Month%-%Day%
Much nicer than fiddling with substrings, at the expense of polluting your variable namespace.
If you need UTC instead of local time,...