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What is the optimal length for an email address in a database?
... 95.4% of data 13.4 - 32.2
99.7% of data 8.7 - 36.9
If you sign up for http://www.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com/ then your email address would surely be an outlier :)
Here's What is the maximum safe length of an email address to allow in a website form? on ...
How to call any method asynchronously in c#
...t; AccessTheWebAsync()
{
// You need to add a reference to System.Net.Http to declare client.
HttpClient client = new HttpClient();
// GetStringAsync returns a Task<string>. That means that when you await the
// task you'll get a string (urlContents).
Task<string> ...
Converting from a string to boolean in Python?
...
Use:
bool(distutils.util.strtobool(some_string))
Python 2: http://docs.python.org/2/distutils/apiref.html?highlight=distutils.util#distutils.util.strtobool
Python 3: https://docs.python.org/3/distutils/apiref.html#distutils.util.strtobool
True values are y, yes, t, true, on and ...
In C, how should I read a text file and print all strings
...riptor, fildes, into the buffer pointed to by buf.
Here is an example:
http://cmagical.blogspot.com/2010/01/c-programming-on-unix-implementing-cat.html
Working part from that example:
f=open(argv[1],O_RDONLY);
while ((n=read(f,l,80)) > 0)
write(1,l,n);
An alternate approach is to us...
Fast permutation -> number -> permutation mapping algorithms
...
I've found an O(n) algorithm, here's a short explanation http://antoinecomeau.blogspot.ca/2014/07/mapping-between-permutations-and.html
public static int[] perm(int n, int k)
{
int i, ind, m=k;
int[] permuted = new int[n];
int[] elems = new int[n];
for(i=0;i<n;...
Concatenate two string literals
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to see which flags -march=native will activate?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...
Unfortunately, Apple hasn't gotten around to implementing it yet.
See http://www.quora.com/Why-isnt-there-a-refactoring-feature-for-Swift-language-in-Xcode-6 for more information.
share
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impro...
How do I get the different parts of a Flask request's url?
...hrough several Request fields:
A user requests the following URL:
http://www.example.com/myapplication/page.html?x=y
In this case the values of the above mentioned attributes would be the following:
path /page.html
script_root /myapplication
base_url ...
list every font a user's browser can display
...e I now want to use this too.
+1 for question, and here's your answer :)
http://www.lalit.org/lab/javascript-css-font-detect
Code from http://www.lalit.org/wordpress/wp-content/uploads/2008/05/fontdetect.js?ver=0.3
/**
* JavaScript code to detect available availability of a
* particular font i...