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How to return result of a SELECT inside a function in PostgreSQL?
...guity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than simply declaring it as record. This way you don't have to provide a column definition list with every function call. RETURNS TABLE is ...
How do I use itertools.groupby()?
... edited Jul 29 at 20:57
Seanny123
5,70277 gold badges4949 silver badges100100 bronze badges
answered Aug 10 '08 at 18:45
...
Reference assignment operator in PHP, =&
...
123
It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of...
Interface vs Base class
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123
Interfaces and base classes represent two different forms of relationships.
Inheritance (base...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
SQLite
SQLite 是 Android 内置的小型、快速、独立的 SQL（结构化查询语言）数据库引擎。
SQL 语句用于创建、选择、更新和删除一个或多个表中的...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...t;SecondaryAgent Address="10.5.64.7" Port="3570"/>
<Site Id="123" />
<Lanes>
<Lane Id="1" PointId="north" Direction="Entry"/>
<Lane Id="2" PointId="south" Direction="Exit"/>
</Lanes>
</CustomApplicationConfig>
then...
c++11 Return value optimization or move? [duplicate]
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123
All return values are either already moved or optimized out, so there is no need to explicitly...
What are the advantages of using nullptr?
...1 - Remove ambiguity when overloading on pointer and integral types
In C++98, the primary implication of this was that overloading on pointer and integral types could lead to surprises. Passing 0 or NULL to such overloads never called a pointer overload:
void fun(int); // two overloads of fun
...
What requirement was the tuple designed to solve?
...e/use a tuple in a very efficient and simple way:
var person = (Id:"123", Name:"john"); //create tuble with two items
Console.WriteLine($"{person.Id} name:{person.Name}") //access its fields
Returning more than one value from a method:
public (double sum, double average) ComputeSu...
Reuse Cucumber steps
...ccessfully
Examples:
|username|password|may or may not|
|paul |123$ |may |
|dave |1111 |may not |
In my step definition, (This is Java)
@Given(I login with \"([^\"]*)\" and \"([^\"]*)\"$)
public void I_login_with_and(String username, String password){
...