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Why do people say there is modulo bias when using a random number generator?
...ate a random number between 0 and 2 by calling rand()%3. However, rand()%3 does not produce the numbers between 0 and 2 with equal probability!
When rand() returns 0, 3, 6, or 9, rand()%3 == 0. Therefore, P(0) = 4/11
When rand() returns 1, 4, 7, or 10, rand()%3 == 1. Therefore, P(1) = 4/11
When...
IIS7: HTTP->HTTPS Cleanly
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For anybody that doesn't already have a rewrite section, place the rules in the following sections of the web.config: <system.webServer><rewrite><rules> ... </rules></rewrite></system.webServer>
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“open/close” SqlConnection or keep open?
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Should/does the "Open()" need to be called? I am currently using it like this: using (var conn = GetConnection()) {} public SqlConnection GetConnection() { return new SqlConnection(_connectionString); }
– gan...
What's the difference between findAndModify and update in MongoDB?
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I'm still a little bit confused. How does findAndModify guarantee that there is no other update operation interfering with it?
– chaonextdoor
May 28 '12 at 4:44
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Regular expression to match balanced parentheses
... interesting idea using forward references by @jaytea.
Reference - What does this regex mean?
rexegg.com - Recursive Regular Expressions
Regular-Expressions.info - Regular Expression Recursion
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
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Thanks! @Masi yes it does! In addition to you Masi, I would highly recommend installing from the CRAN repos. cran.r-project.org/mirrors.html select a mirror that fits you and then pick packages you want to install, it should be pretty straightfor...
HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
... @RoyiNamir - Modernizr sets classes in the HTML. It itself does nothing else with those classes, but you may use other JS libs or CSS to reference those classes and do whatever you wish, in the same way as you would for any other class in your HTML code. An example: You want to use a...
Converting a Pandas GroupBy output from Series to DataFrame
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reset.index() does the job, great!
– gented
Oct 13 '15 at 14:07
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)
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The reason your code doesn't work as expected is that it's actually doing something different from what you think it does.
Let's say you have something like the following:
stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo...
C programming in Visual Studio
... said, I do not recommend learning C language in Visual Studio, why VS? It does have lots of features you are not going to use while learning C
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