Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...

...red when the attribute is a pointer to a reference counted object that was allocated on the heap. Allocation should look something like: NSObject* obj = [[NSObject alloc] init]; // ref counted var The setter generated by @synthesize will add a reference count to the object when it is copied so the ...

...sorting the collection with sortBy() happens inside the Laravel Engine (in PHP), while the orderBy() is done in the database. Surely the database is going to be quicker in almost all conceivable situations, and as your dataset increases so will the disparity in performance. I'd love to hear other pe...

Why and when should I use the session_regenerate_id() function in php? Should I always use it after I use the session_start() ? I've read that I have to use it to prevent session fixation, is this the only reason? ...

...ow's intro in plain text: Using page title: https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow or use pageids https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&e...

...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...

... NSDate *retVal; NSDateComponents *components = [[NSDateComponents alloc] init]; [components setDay:days]; NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; retVal = [gregorian dateByAddingComponents:components toDate:self options:0]; ...

... Is it possible to run a function() from another .php page inside a class function and then grab results inside the class function? e.g I have a query that selects all from a table and then returns a fetch all result set. Is it possible to loop through that result set inside...

... Not strange. Integers in php go up to 2^31, which is 2147483647. For any larger numbers, you'll have to use lonesomeday's string-based solution. – awm Feb 23 '11 at 23:41 ...

... Global variables that don't have an explicit initializer are allocated in the BSS section in the executable. They don't actually take up any space in the EXE; the BSS section is a special section that the OS allocates and clears to zero. On other operating systems, there are similar me...