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Completion block for popViewController

...where animated { coordinator.animateAlongsideTransition(nil) { _ in completion() } } else { completion() } } func popViewController(animated: Bool, completion: () -> ()) { popViewControllerAnimated(animated) ...
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PHP abstract properties

...cks (say, in the constructor) for the $tablename variable, e.g.: class Foo_Abstract { public final function __construct(/*whatever*/) { if(!isset($this->tablename)) throw new LogicException(get_class($this) . ' must have a $tablename'); } } To enforce this for all derived classes...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...following commands right after you've etablished the connection: db.set_character_set('utf8') dbc.execute('SET NAMES utf8;') dbc.execute('SET CHARACTER SET utf8;') dbc.execute('SET character_set_connection=utf8;') "db" is the result of MySQLdb.connect(), and "dbc" is the result of db.curs...
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What is SQL injection? [duplicate]

... data that they shouldn't be allowed to do. Example in PHP: $password = $_POST['password']; $id = $_POST['id']; $sql = "UPDATE Accounts SET PASSWORD = '$password' WHERE account_id = $id"; Now suppose the attacker sets the POST request parameters to "password=xyzzy" and "id=account_id" resulting ...
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How to import data from mongodb to pandas?

...odes I'm using: import pandas as pd from pymongo import MongoClient def _connect_mongo(host, port, username, password, db): """ A util for making a connection to mongo """ if username and password: mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db) ...
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click

... placement: 'auto' }).on("mouseenter",function () { var _this = this; // thumbcontainer console.log('thumbcontainer mouseenter') // clear the counter clearTimeout(counter); // Close all other Popovers $('.thumbcontainer').not(_this).popover...
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Delete all documents from index/type without deleting type

... (using your example): curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{ "query" : { "match_all" : {} } }' Or you could just delete the type: curl -XDELETE http://localhost:9200/twitter/tweet ...
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Can lambda functions be templated?

...ren't ready to tackle this sort of thing; it'd require more stuff like late_check (where the concept wasn't checked until invoked) and stuff. Simpler was just to drop it all and stick to monomorphic lambdas. However, with the removal of concepts from C++0x, polymorphic lambdas become a simple propo...
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Build Eclipse Java Project from Command Line

...d startup.jar with the "equinox launcher" https://wiki.eclipse.org/Equinox_Launcher On Eclipse Mars (MacOX): java -jar /Applications/Eclipse.app/Contents/Eclipse/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -noSplash -data "workspace" -application org.eclipse.jdt.apt.core.aptBu...
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Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?

...e. Stop writing macros unless there is no other way (such as when you need __FILE__). If you do need macros, put them in a header and include it. The prefix header was necessary for things that are huge and used by nearly everything in the whole system (like Foundation.h). If you have something tha...