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What is the explicit promise construction antipattern and how do I avoid it?
...ain with .then and you can return promises directly. Your code in getStuffDone can be rewritten as:
function getStuffDone(param){
return myPromiseFn(param+1); // much nicer, right?
}
Promises are all about making asynchronous code more readable and behave like synchronous code without hiding ...
Why are local variables not initialized in Java?
...erty allocated, then they should go in another try-finally block, probably one that wraps the one I've shown.
Requiring variables to be assigned manually before use does not lead to real problems. It only leads to minor hassles, but your code will be better for it. You'll have variables with more l...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...tion) and alternatives (such as JRuby or Rubinius). Note that RVM is not alone in this field, see for instance rbenv.
A gemset in RVM is a set of gems specific to a given context, typically a project. This is useful if you are for example developing different applications, each with its own sets of...
When to use thread pool in C#? [closed]
...used about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some considerations you use when making this programming decision?
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Convert two lists into a dictionary
...rnandoWittmann. {thing} is syntactic sugar to construct a set() containing one element. {*iterable} is syntactic sugar to construct a set containing several elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Lenski
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How do I iterate over a range of numbers defined by variables in Bash?
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for i in $(seq 1 $END); do echo $i; done
edit: I prefer seq over the other methods because I can actually remember it ;)
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Why can't a text column have a default value in MySQL?
...orts of incompatibilities when trying to install DB scripts that worked on one system but not others.
I am running into the same problem now on a webapp I'm modifying for one of my clients, originally deployed on Linux MySQL v5.0.83-log. I'm running Windows MySQL v5.1.41. Even trying to use the l...
Difference between single and double quotes in Bash
...pansions). The backslash retains its special meaning only when followed by one of the following characters: $, `, ", \, or newline. Within double quotes, backslashes that are followed by one of these characters are removed. Backslashes preceding characters without a special meaning are left unmodifi...
How do I return early from a rake task?
I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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Command-line svn for Windows?
...corresponding option is not checked.
The svn.exe executable is not standalone and it depends on some other files in the distribution but this should not be a problem in most cases.
Once installed you might need to add the folder containing svn.exe to the system PATH as described here so that it is...