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What is the difference between async.waterfall and async.series
The nodejs async module: https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
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How to read a file into a variable in shell?
I want to read a file and save it in variable, but I need to keep the variable and not just print out the file.
How can I do this? I have written this script but it isn't quite what I needed:
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Saving vim macros
Does anyone know how to properly save/reuse macros recorded inside of a vim editor?
6 Answers
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What is the shortcut to Auto import all in Android Studio?
Is there any way of auto importing (like in Eclipse Shift + Ctrl + O ) in Android Studio ?
11 Answers
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Python: Get the first character of the first string in a list?
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
a "problem" which i have every now and then is that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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Android: Why does long click also trigger a normal click?
I have a ListView with listeners for a long click and a regular click.
4 Answers
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What is the “-d” in “npm -d install”?
I've seen some posts that refer to running npm with a -d argument. For example, this issue refers to doing npm -d install coffee-script . There are a few other pages that also refer to this syntax, including the install instructions for at least one npm package.
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PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
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Function Pointers in Java
This may be something common and trivial, but I seem to be having trouble finding a concrete answer. In C# there is a concept of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the...