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Check if passed argument is file or directory in Bash
I'm trying to write an extremely simple script in Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has s...
Fork and synchronize Google Code Subversion repository into GitHub
How can I fork and keep in sync with an Google Code Subversion repository that I don't have write access to, into a GitHub repository?
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How to style a JSON block in Github Wiki?
Is there a way to nicely format/style JSON code in Github Wiki (i.e Markdown preferred)?
4 Answers
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput app...
Unpacking array into separate variables in JavaScript
...n AFAIK:
var one = arr[0],
two = arr[1];
ES6 will allow destructuring assignment:
let [x, y] = ['foo', 'bar'];
console.log(x); // 'foo'
console.log(y); // 'bar'
Or, to stick to your initial example:
var arr = ['one', 'two'];
var [one, two] = arr;
You could also create a default value:...
hash function for string
I'm working on hash table in C language and I'm testing hash function for string.
9 Answers
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How to make join queries using Sequelize on Node.js
I am using sequelize ORM; everything is great and clean, but I had a problem when I use it with join queries.
I have two models: users and posts.
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What's the difference between => , ()=>, and Unit=>
I'm trying to represent a function that takes no arguments and returns no value (I'm simulating the setTimeout function in JavaScript, if you must know.)
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How can I pipe stderr, and not stdout?
I have a program that writes information to stdout and stderr , and I need to grep through what's coming to stderr , while disregarding stdout .
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Regex: Remove lines containing “help”, etc
I have a long document of commands. Using Notepad++ or regex, I want to delete all lines containing "help" including keyboard_help, etc.
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