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How do I parse command line arguments in Bash?
Say, I have a script that gets called with this line:
37 Answers
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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
I Know I can select a column from a subquery using this syntax:
5 Answers
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Python “extend” for a dictionary
What is the best way to extend a dictionary with another one while avoiding the use of a for loop? For instance:
7 Answer...
Simplest code for array intersection in javascript
What's the simplest, library-free code for implementing array intersections in javascript? I want to write
35 Answers
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How to concatenate two numbers in javascript?
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Use "" + 5 + 6 to force it to strings. This works with numerical variables too:
var a = 5;
var b = 6;
console.log("" + a + b);
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How to avoid overflow in expr. A * B - C * D
I need to compute an expression which looks like:
A*B - C*D , where their types are: signed long long int A, B, C, D;
Each number can be really big (not overflowing its type). While A*B could cause overflow, at same time expression A*B - C*D can be really small. How can I compute it correctly...
HTML5 canvas ctx.fillText won't do line breaks?
...ulti-line support. Whats worse, there's no built-in way to measure line height, only width, making doing it yourself even harder!
A lot of people have written their own multi-line support, perhaps the most notable project that has is Mozilla Skywriter.
The gist of what you'll need to do is multipl...
Sort array of objects by single key with date value
I have an array of objects with several key value pairs, and I need to sort them based on 'updated_at':
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How to use sessions in an ASP.NET MVC 4 application?
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Try
//adding data to session
//assuming the method below will return list of Products
var products=Db.GetProducts();
//Store the products to a session
Session["products"]=products;
//To get what you have stored to a session
var pro...
What must I know to use GNU Screen properly? [closed]
...n and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies and handy tips for remembe...