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How to parse a query string into a NameValueCollection in .NET
...custom examples because of the accepted answer's dependency on System.Web. From the Microsoft.AspNet.WebApi.Client NuGet package there is a UriExtensions.ParseQueryString, method that can also be used:
var uri = new Uri("https://stackoverflow.com/a/22167748?p1=6&p2=7&p3=8");
NameValueCollec...
How to get Vim to highlight non-ascii characters?
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For other (from now on less unlucky) folks ending up here via a search engine and can't accomplish highlighting of non-ASCII characters, try this (put this into your .vimrc):
highlight nonascii guibg=Red ctermbg=1 term=standout
au BufR...
Convert an NSURL to an NSString
I have an app where the user can choose an image either from the built-in app images or from the iphone photo library. I use an object Occasion that has an NSString property to save the imagePath .
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What is the _references.js used for?
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In VS 11, Visual Studio will give you intellisense from all files
that have references in the “_references.js” file.
For More Info
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How do I measure the execution time of JavaScript code with callbacks?
... @gogaman this is a good point, since you can't capture the output from console.timeEnd(). Perhaps it might be useful to pipe the output to a file and utilize from there?
– Doug Molineux
Sep 25 '14 at 21:16
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What does git push origin HEAD mean?
...AD points to the top of the current branch. git can obtain the branch name from that. So it's the same as:
git push origin CURRENT_BRANCH_NAME
but you don't have to remember/type the current branch name. Also it prevents you from pushing to the wrong remote branch by accident.
If you want to pus...
Best practice for Python assert
...wn Exception classes.
For example, if you're writing a function to read from a configuration file into a dict, improper formatting in the file should raise a ConfigurationSyntaxError, while you can assert that you're not about to return None.
In your example, if x is a value set via a user int...
Validate that a string is a positive integer
...t of the work.
str = str.replace(/^0+/, "") || "0"; removes all leading 0s from the string — but if that results in a blank string, restores a single 0.
Number(str): Convert str to a number; the number may well have a fractional portion, or may be NaN.
Math.floor: Truncate the number (chops off ...
Check if a given key already exists in a dictionary and increment it
...are looking for collections.defaultdict (available for Python 2.5+). This
from collections import defaultdict
my_dict = defaultdict(int)
my_dict[key] += 1
will do what you want.
For regular Python dicts, if there is no value for a given key, you will not get None when accessing the dict -- a Ke...
valueOf() vs. toString() in Javascript
... x for its Number representation, since the first operand returns a string from [[DefaultValue]], it does string concatenation.
If you want to guarantee that toString is called for string concatenation, use an array and the .join("") method.
(ActionScript 3.0 slightly modifies the behavior of +, h...