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AES Encryption for an NSString on the iPhone
...easePool * pool = [[NSAutoreleasePool alloc] init];
NSString *key = @"my password";
NSString *secret = @"text to encrypt";
NSData *plain = [secret dataUsingEncoding:NSUTF8StringEncoding];
NSData *cipher = [plain AES256EncryptWithKey:key];
printf("%s\n", [[cipher description] UT...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...variable from unsigned to uint64_t made the performance drop by 50% on my PC.
10 Answers
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Test if executable exists in Python?
... Thanks Jay, I accept your answer, though for me it answers my question by the negative. No such function exists in the libs, I just have to write it (I admit my formulation was not clear enough in the fact that I know what which does).
– Piotr Lesnicki
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Purpose of Python's __repr__
... not defined, the repr method for the Point3D class, and have instantiated my_point as an instance of Point3D, and then we do this ...
print my_point
... we may see this as the output ...
Not very nice, eh?
So, we define the repr or str special method, or both, to get better output.
**class Poi...
Defining static const integer members in class definition
My understanding is that C++ allows static const members to be defined inside a class so long as it's an integer type.
7 An...
Safari 3rd party cookie iframe trick no longer working?
...u were willing to have your users click a button before the content loads. My solution was to have a button open a new browser window. That window sets a cookie for my domain, refreshes the opener and then closes.
So your main script could look like:
<?php if(count($_COOKIE) > 0): ?>
<...
PHP PDO returning single row
... --- connection string --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
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What is the fastest substring search algorithm?
... asked on SO was related to that and I never got any real answers. (except my own...) It should be extensive. Even if my idea of an application for strstr is searching English text, somebody else's might be searching for genes in base pair sequences...
– R.. GitHub STOP HELPING...
Why is access to the path denied?
I am having a problem where I am trying to delete my file but I get an exception.
29 Answers
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How to select last two characters of a string
...ice(). That will indicate an offset from the end of the set.
var member = "my name is Mate";
var last2 = member.slice(-2);
alert(last2); // "te"
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