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Are types like uint32, int32, uint64, int64 defined in any stdlib header?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Secure random token in Node.js
...e method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
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Rounding up to next power of 2
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Check the Bit Twiddling Hacks. You need to get the base 2 logarithm, then add 1 to that. Example for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v ...
Code for decoding/encoding a modified base64 URL
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
5 Answers
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google oauth2 redirect_uri with several parameters
...a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to make it URL safe ->
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding & decoding (http://en.wikipedia.org/wiki/Base64#URL_applications) :
fu...
Best way to structure a tkinter application? [closed]
...s class. Here's an example (taken from here):
import tkinter as tk
class Demo1:
def __init__(self, master):
self.master = master
self.frame = tk.Frame(self.master)
self.button1 = tk.Button(self.frame, text = 'New Window', width = 25, command = self.new_window)
s...
vbscript output to console
...onsole
With CONS
'// Simply write a line
.print "CSCRIPT Console demo script"
'// Arguments are passed through correctly, if present
.Print "Arg count=" & wscript.arguments.count
'// List all the arguments on the console log
dim ix
for ix = 0 to wscript.argum...
Store JSON object in data attribute in HTML jQuery
...oring serialized data can be solved by converting the serialized string to base64.
A base64 string can be accepted just about anywhere with no fuss.
Take a look at:
btoa()
The WindowOrWorkerGlobalScope.btoa() method creates a base-64 encoded
ASCII string from a String object in which e...
How to remove an item from an array in AngularJS scope?
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Careful - this index-based solution will not work if you use multiple ng-repeats of the same object in a view (e.g. Scheduled Tasks, Unscheduled Tasks, Completed Tasks all coming out of $scope.tasks) because you will have multiple items with inde...
How to save an image to localStorage and display it on the next page?
...ed:
Firstly, I grab my image with getElementByID, and save the image as a Base64. Then I save the Base64 string as my localStorage value.
bannerImage = document.getElementById('bannerImg');
imgData = getBase64Image(bannerImage);
localStorage.setItem("imgData", imgData);
Here is the function that...