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In C#, how can I create a TextReader object from a string (without writing to disk)
...ted text into a webpage. The Fast CSV reader requires a TextReader object, and all I have is a string. What's the best way to convert a string into a TextReader object on the fly?
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How to implement a property in an interface
... there is no code. You just specify that there is a property with a getter and a setter, whatever they will do.
In the class, you actually implement them. The shortest way to do this is using this { get; set; } syntax. The compiler will create a field and generate the getter and setter implementati...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
Generate random numbers with a given (numerical) distribution
... You can then use the rvs() method of the distribution object to generate random numbers.
As pointed out by Eugene Pakhomov in the comments, you can also pass a p keyword parameter to numpy.random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you a...
Why is the shovel operator (
...g a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-place.
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Getting a 'source: not found' error when using source in a bash script
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In the POSIX standard, which /bin/sh is supposed to respect, the command is . (a single dot), not source. The source command is a csh-ism that has been pulled into bash.
Try
. $env_name/bin/activate
Or if you must have non-POSIX bash-is...
Grep and Sed Equivalent for XML Command Line Processing
...a will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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What's the difference between Git Revert, Checkout and Reset?
I am trying to learn how to restore or rollback files and projects to a prior state, and don't understand the difference between git revert , checkout , and reset . Why are there 3 different commands for seemingly the same purpose, and when should someone choose one over the other?
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PHP: Count a stdClass object
... the Countable interface). Try casting the object, like below, as an array and seeing if that helps.
$total = count((array)$obj);
Simply casting an object as an array won't always work but being a simple stdClass object it should get the job done here.
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Execute JavaScript using Selenium WebDriver in C#
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The object, method, and property names in the .NET language bindings do not exactly correspond to those in the Java bindings. One of the principles of the project is that each language binding should "feel natural" to those comfortable coding in...