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Facebook Graph API, how to get users email?
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// Facebook SDK v5 for PHP
// https://developers.facebook.com/docs/php/gettingstarted/5.0.0
$fb = new Facebook\Facebook([
'app_id' => '{app-id}',
'app_secret' => '{app-secret}',
'default_graph_version' => 'v2.4',
]);
$fb->setDef...
How to escape single quotes in MySQL
...re using to talk to MySQL will have an escaping function built in, e.g. in PHP you could use mysqli_real_escape_string or PDO::quote
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Python (and Python C API): __new__ versus __init__
...One example is when you unpickle objects from a pickle file, they will get allocated (__new__) but not initialised (__init__).
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How to draw a custom UIView that is just a circle - iPhone app
... could use QuartzCore and do something this --
self.circleView = [[UIView alloc] initWithFrame:CGRectMake(10,20,100,100)];
self.circleView.alpha = 0.5;
self.circleView.layer.cornerRadius = 50; // half the width/height
self.circleView.backgroundColor = [UIColor blueColor];
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How can I scan barcodes on iOS?
...tWithDevice:self.device error:nil];
self.session = [[AVCaptureSession alloc] init];
self.output = [[AVCaptureMetadataOutput alloc] init];
[self.session addOutput:self.output];
[self.session addInput:self.input];
[self.output setMetadataObjectsDelegate:self queue:dispatch_get_m...
How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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WAMP/XAMPP is responding very slow over localhost
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have a look here :
http://forum.wampserver.com/read.php?2,91602,page=3
Basically use 127.0.0.1 instead of localhost when connecting to mysql through php on windows 8
if your finding phpmyadmin slow
in the config.inc.php you can change localhost to 127.0.0.1 also
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How to increment a pointer address and pointer's value?
... an example, this might help;
char **str;
str = (char **)malloc(sizeof(char*)*2); // allocate mem for 2 char*
str[0]=(char *)malloc(sizeof(char)*10); // allocate mem for 10 char
str[1]=(char *)malloc(sizeof(char)*10); // allocate mem for 10 char
strcpy(str[0...
Static variables in member functions
...ted meanings in C++
When used for data members it means that the data is allocated in the class and not in instances.
When used for data inside a function it means that the data is allocated statically, initialized the first time the block is entered and lasts until the program quits. Also the var...
PHP Get Site URL Protocol - http vs https
...wered Dec 21 '10 at 19:38
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