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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...;
NSData *data;
NSURL *certificateURL = [[NSBundle mainBundle] URLForResource:@"AppleIncRootCertificate" withExtension:@"cer"];
NSData *certificateData = [NSData dataWithContentsOfURL:certificateURL];
if ([self verifyPKCS7:p7 withCertificateData:certificateData])
{
struc...
How to spread django unit tests over multiple files?
...s, and run that suite.
There is a second way to define the test suite for a module: if you
define a function called suite() in either models.py or tests.py, the
Django test runner will use that function to construct the test suite
for that module. This follows the suggested organization f...
Regular expression to find URLs within a string
...nd URLs within a string? I've found a lot of regular expressions on Google for determining if an entire string is a URL but I need to be able to search an entire string for URLs. For example, I would like to be able to find www.google.com and http://yahoo.com in the following string:
...
How do I watch a file for changes?
I have a log file being written by another process which I want to watch for changes. Each time a change occurs I'd like to read the new data in to do some processing on it.
...
Get Folder Size from Windows Command Line
...up sizes recursively (the following is a batch file):
@echo off
set size=0
for /r %%x in (folder\*) do set /a size+=%%~zx
echo %size% Bytes
However, this has several problems because cmd is limited to 32-bit signed integer arithmetic. So it will get sizes above 2 GiB wrong1. Furthermore it will lik...
Truncating all tables in a Postgres database
I regularly need to delete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
...
Getting Django admin url for an object
Before Django 1.0 there was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
...
mongodb/mongoose findMany - find all documents with IDs listed in array
...(err, docs){
console.log(docs);
});
This method will work well even for arrays containing tens of thousands of ids. (See Efficiently determine the owner of a record)
I would recommend that anybody working with mongoDB read through the Advanced Queries section of the excellent Official mongo...
Creating an abstract class in Objective-C
...ract, just don't use it without subclassing it. There is no compile-time enforcement that prevents instantiation of an abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a user to at lea...
Understanding the main method of python [duplicate]
...)
Using this convention one can have a file define classes and functions for use in other programs, and also include code to evaluate only when the file is called as a standalone script.
It's important to understand that all of the code above the if __name__ line is being executed, evaluated, in ...