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Programmatically retrieve memory usage on iPhone
...Phone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog.
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What is the maximum amount of RAM an app can use?
...s probably deemed too wordy. OutOfMemoryException means that you could not allocate your requested block, not that you have exhausted your heap entirely.
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.htaccess rewrite to redirect root URL to subdirectory
...RewriteCond %{HTTP_HOST} ^(www.)?site.com$
RewriteRule ^(/)?$ subdir/index.php [L]
Change out site.com and subdir with your values.
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JSON and XML comparison [closed]
...f web API designers.
And I can’t resist tucking an "I told you so!" token away in my
desk. I look forward to seeing what the JSON folks do when they are
asked to develop richer APIs. When they want to exchange less well
strucured data, will they shoehorn it into JSON? I see occasional
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Convert from enum ordinal to enum type
...t... you know - the C programmer inside me screams in pain seeing that you allocate a full-blown HashMap and perform lookups inside it all of it JUST to essentially manage 4 constants: spades, hearts, diamonds and clubs! A C programmer would allocate 1 byte for each: 'const char CLUBS=0;' etc... Ye...
Secure hash and salt for PHP passwords
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DISCLAIMER: This answer was written in 2008.
Since then, PHP has given us password_hash and password_verify and, since their introduction, they are the recommended password hashing & checking method.
The theory of the answer is still a good read though.
TL;DR
Don'ts
D...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...olorSpaceCreateDeviceRGB();
unsigned char *rawData = (unsigned char*) calloc(height * width * 4, sizeof(unsigned char));
NSUInteger bytesPerPixel = 4;
NSUInteger bytesPerRow = bytesPerPixel * width;
NSUInteger bitsPerComponent = 8;
CGContextRef context = CGBitmapContextCreate(raw...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...cert.pem from https://curl.haxx.se/ca/cacert.pem
Add the following line to php.ini: (if this is shared hosting and you don't have access to php.ini then you could add this to .user.ini in public_html).
curl.cainfo="/path/to/downloaded/cacert.pem"
Make sure you enclose the path within double quota...
Text Editor which shows \r\n? [closed]
...han installing any application for sure. In command line with proper setup PHP
php -q
<?php $t=file_get_contents("filename"); echo str_replace(array("\n", "\r"), array("\\n", "\\r"), $t); ?>
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How to find all links / pages on a website
... Completely unnecessary to parse the html in this manner in php. php.net/manual/en/class.domdocument.php PHP does have the ability to understand the DOM!
– JamesH
Jun 26 '15 at 12:30
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