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What is the difference between declarative and procedural programming paradigms?
...), rather than writing out "draw string, measure string, advance position, etc." Another example is Prolog, where a "program" is a declarative set of facts and relations/deductions, and a query. The Prolog engine figures out how to evaluate the query: you don't need to tell it how to do so. Final...
云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
If Python is interpreted, what are .pyc files?
...eral places, thumbed through looking for given chapter-and-verse pointers, etc, etc, and a good hardcover binding can make a given copy last longer under such use. However, these are mundane (practical) issues that cannot be used to determine whether a given actual book object is a copy of the Bibl...
How can I get file extensions with JavaScript?
... by VisioN's answer below, particularly files with no extension (.htaccess etc included).
It's very performant, and handles corner cases in an arguably better way by returning "" instead of the full string when there's no dot or no string before the dot. It's a very well crafted solution, albeit t...
Copy/duplicate database without using mysqldump
...;query("SHOW TABLES");
$tables = array();
while($row = mysql_fetch_row($getTables)){
$tables[] = $row[0];
}
$createTable = mysql_query("CREATE DATABASE `$newDbName` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;") or die(mysql_error());
foreach($tables ...
Send an Array with an HTTP Get
...); // value1
And, when the target server uses a weak typed language like PHP or RoR, then you need to suffix the parameter name with braces [] in order to trigger the language to return an array of values instead of a single value.
foo[]=value1&foo[]=value2&foo[]=value3
$foo = $_GET["...
How to shorten my conditional statements
...ould have an in_array function that returns a Boolean directly (similar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mimics the native indexOf functionality (which is usefu...