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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
... and it sends you an email with a link, and you have to click that link in order to verify your account
30 Answers
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Java String split removed empty values
... multiple separators, including whitespace characters, commas, semicolons, etc. take those in repeatable group with []+, like:
String[] tokens = "a , b, ,c; ;d, ".split( "[,; \t\n\r]+" );
you'll have 4 tokens -- a, b, c, d
leading separators in the source string need to be removed befo...
Parsing IPv6 extension headers containing unknown extensions
...arse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
4 Answers
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How to access custom attributes from event object in React?
...o handy things like that. We no longer need to attach data to DOM nodes in order to keep track of them.
IMO this is much cleaner than relying on DOM events.
Update April 2017: These days I would write onClick={() => this.removeTag(i)} instead of .bind
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Integrated Markdown WYSIWYG text editor
...shed in a gist somewhere as well? Stable version list of the dependencies, etc.? Thanks!
– Jameson
Mar 21 '17 at 4:33
1
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What does “|=” mean? (pipe equal operator)
...tup a hasChanges boolean and set it to |= diff (a,b) and then |= dif(b,c) etc.
Here is a brief example:
groovy> boolean hasChanges, a, b, c, d
groovy> diff = {x,y -> x!=y}
groovy> hasChanges |= diff(a,b)
groovy> hasChanges |= diff(b,c)
groovy> hasChanges |= diff(true,false) ...
Edit a commit message in SourceTree Windows (already pushed to remote)
...hrough the GUI, so
you'll need to use Git from the command line anyways in order to do that.
Click Terminal from the GUI to open up a terminal.
Step 7
From the terminal force-push with the following command,
git push origin <branch> -f
where <branch> is the name of the branch tha...
How can I update the current line in a C# Windows Console App?
...
You can use Console.SetCursorPosition to set the position of the cursor and then write at the current position.
Here is an example showing a simple "spinner":
static void Main(string[] args)
{
var spin = new ConsoleSpinner();
Console.Wr...
How does __proto__ differ from constructor.prototype?
...hat is function Empty() {} you refer to being equal to Function.prototype, etc?, what is the code you used in chrome console?
– drodsou
Jul 28 '12 at 18:32
2
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Matplotlib scatterplot; colour as a function of a third variable
...eral different grayscale colormaps pre-made (e.g. gray, gist_yarg, binary, etc).
import matplotlib.pyplot as plt
import numpy as np
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
plt.scatter(x, y, c=y, s=500, cmap='gray')
plt.show()
...