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Get program em>x m>ecution time in the shell
I want to em>x m>ecute something in a linum>x m> shell under a few different conditions, and be able to output the em>x m>ecution time of each em>x m>ecution.
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List all of the possible goals in Maven 2?
...you indicate in the command line is linked to the lifecycle of Maven. For em>x m>ample, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary information is available.
compil...
How do I create an empty array in YAML?
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Try using [], like:
empty_array: []
So in Ruby you have:
m>x m> = YAML::load("empty_array: []")
m>x m> # => {"empty_array" => []}
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Is 0 a decimal literal or an octal literal?
...al literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lem>x m>.icon]
integer-literal:
decimal-literal integer-suffim>x m>opt
octal-literal integer-suffim>x m>opt
hem>x m>adecimal-literal integer-suffim>x m>opt
decimal-literal:
nonzero-digit
decimal-literal digit
octal-...
Pandas count(distinct) equivalent
...this is what you want:
table.groupby('YEARMONTH').CLIENTCODE.nunique()
Em>x m>ample:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 ...
What Makes a Method Thread-safe? What are the rules?
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In the third em>x m>ample private string someValue; is not static so each instance will get a separate copy of that variable. So can you please em>x m>plain how this is not thread safe?
– Bharadwaj
Apr 3 '14 at...
How to make Visual Studio copy a DLL file to the output directory?
I have a Visual Studio C++ project that relies on an em>x m>ternal DLL file. How can I make Visual Studio copy this DLL file automatically into the output directory (debug/release) when I build the project?
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How to include (source) R script in other scripts
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Here is one possible way. Use the em>x m>ists function to check for something unique in your util.R code.
For em>x m>ample:
if(!em>x m>ists("foo", mode="function")) source("util.R")
(Edited to include mode="function", as Gavin Simpson pointed out)
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Parse JSON in JavaScript? [duplicate]
...rogramming for an ancient browser, such as IE 7 (2006), IE 6 (2001), Firefom>x m> 3 (2008), Safari 3.m>x m> (2009), etc. Alternatively, you may be in an esoteric JavaScript environment that doesn't include the standard APIs. In these cases, use json2.js, the reference implementation of JSON written by Douglas...
SVG drop shadow using css3
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Here's an em>x m>ample of applying dropshadow to some svg using the 'filter' property. If you want to control the opacity of the dropshadow have a look at this em>x m>ample. The slope attribute controls how much opacity to give to the dropshadow....