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Cannot pass null argument when using type hinting

... PHP 7.1 or newer (released 2nd December 2016) You can explicitly declare a variable to be null with this syntax function foo(?Type $t) { } this will result in $this->foo(new Type()); // ok $this->foo(null); // ok $...
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PHP ORMs: Doctrine vs. Propel

...better like the way you work with queries (DQL instead of Criteria): <?php // Propel $c = new Criteria(); $c->add(ExamplePeer::ID, 20); $items = ExamplePeer::doSelectJoinFoobar($c); // Doctrine $items = Doctrine_Query::create() ->from('Example e') ->leftJoin('e.Foobar') ...
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Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7

...w.tableHeaderView = nil;, I do: self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, self.tableView.bounds.size.width, 0.01f)]; I like this solution better than setting a somewhat arbitrary contentInset.top because I use the contentInset.top dynamically as well. ...
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What is non-blocking or asynchronous I/O in Node.js?

...chronous, blocking operations is how some web servers like ones in Java or PHP handle IO or network requests. If your code reads from a file or the database, your code "blocks" everything after it from executing. In that period, your machine is holding onto memory and processing time for a thread th...
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Returning first x items from array

... 6); array_splice($input, 5); // $input is now array(1, 2, 3, 4, 5) From PHP manual: array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]]) If length is omitted, removes everything from offset to the end of the array. If length is specified and is posit...
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What's the best way of scraping data from a website? [closed]

...ial and error so you will want a workflow that makes this easy. Language PHP is basically out, it's not well suited for this task and the library/framework support is poor in this area. Python (Scrapy is a great starting point) and Clojure/Clojurescript (incredibly powerful and productive but a bi...
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UITableView - change section header color

...wForHeaderInSection:(NSInteger)section { UIView *headerView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, tableView.bounds.size.width, 30)] autorelease]; if (section == integerRepresentingYourSectionOfInterest) [headerView setBackgroundColor:[UIColor redColor]]; else [headerVie...
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What is 'YTowOnt9'?

Our (PHP) framework sometimes renders hidden inputs with value YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I ...
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How to prevent robots from automatically filling up a form?

...$(this).serialize(); alert( serializedData ); $.ajax({ url: '/mail.php', type: "POST", data: serializedData, success: function (data) { // log the data sent back from PHP console.log( data ); } }); } .myForm input, .myForm textarea{ font: 14px/1 sans-serif; ...
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Why are side-effects modeled as monads in Haskell?

... way, but RealWorld doesn't actually represent the real world, it's just a token to keep the operations in order (the "magic" is that RealWorld is GHC Haskell's only uniqueness type) – Jeremy List Oct 30 '15 at 7:15 ...