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How to get a random number in Ruby
...ed a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to guess ...
Difference between setTimeout with and without quotes and parentheses
...t at W3Schools , I noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function.
...
What's the difference between unit tests and integration tests? [duplicate]
...nds on what the programmer considers to be useful. The tests are intended for the use of the programmer, they are not directly useful to anybody else, though, if they do their job, testers and users downstream should benefit from seeing fewer bugs.
Part of being a unit test is the implication that...
Installing a local module using npm?
...d module repo, I want to install it locally, not globally in another directory?
7 Answers
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Detect network connection type on Android
How do you detect the network connection type on Android?
13 Answers
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HttpClient.GetAsync(…) never returns when using await/async
...le a request at a time. You can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the request context (the additional threads do not have the request context).
This is managed by the ASP.NET SynchronizationContext.
By defau...
How to build for armv6 and armv7 architectures with iOS 5
...0. With only armv7 specified in Architectures, Xcode warned me that to support anything below iOS4.2 I had to include armv6 in Architectures. Just edit that field, click the "+" button when the dialog pops up and enter the literal "armv6".
In my case, we want our app to work under iOS4 and iOS5. We...
When do we need curly braces around shell variables?
...mbiguous cases, can be considered good programming practice. This is both for consistency and to avoid surprises like $foo_$bar.jpg, where it's not visually obvious that the underscore becomes part of the variable name.
shar...
Python 3.x rounding behavior
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Python 3's way (called "round half to even" or "banker's rounding") is considered the standard rounding method these days, though some language implementations aren't on the bus yet.
The simple "always round 0.5 up" technique results in a slight bias toward the higher ...
Relative URLs in WordPress
I've always found it frustrating in WordPress that images, files, links, etc. are inserted into WordPress with an absolute URL instead of relative URL. A relative url is much more convenient for switching domain names, changing between http and https etc. Today I discovered that if you define WP_CON...