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How can I find the number of arguments of a Python function?
...one):
pass
sig = signature(someMethod)
Now, you can either view its parameters quickly by string it:
str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1'])...
How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...
You can access any LayoutParams from code using View.getLayoutParams. You just have to be very aware of what LayoutParams your accessing. This is normally achieved by checking the containing ViewGroup if it has a LayoutParams inner child then that's ...
How do you get a query string on Flask?
...
This example returns that value of the "user" parameter passed in the query string, not the query string itself. "Query string" means everything after the question mark and before the pound sign, if one is present.
– Lyndsy Simon
A...
Receive JSON POST with PHP
...
If you already have your parameters set like $_POST['eg'] for example and you don't wish to change it, simply do it like this:
$_POST = json_decode(file_get_contents('php://input'), true);
This will save you the hassle of changing all $_POST to so...
How do you create a dropdownlist from an enum in ASP.NET MVC?
... expression returns an Enum type.
/// </summary>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TProperty">The type of the property.</typeparam>
/// <param name="htmlHelper">The HTML helper.</param>
/...
What's the nearest substitute for a function pointer in Java?
...ymous inner class
Say you want to have a function passed in with a String param that returns an int.
First you have to define an interface with the function as its only member, if you can't reuse an existing one.
interface StringFunction {
int func(String param);
}
A method that takes the po...
How to call Stored Procedure in Entity Framework 6 (Code-First)?
...llows.
this.Database.SqlQuery<YourEntityType>("storedProcedureName",params);
But if your stored procedure returns multiple result sets as your sample code, then you can see this helpful article on MSDN
Stored Procedures with Multiple Result Sets
...
Get keys from HashMap in Java
... contain null)
Using JDK8+
/**
* Find any key matching a value.
*
* @param value The value to be matched. Can be null.
* @return Any key matching the value in the team.
*/
private Optional<String> getKey(Integer value){
return team1
.entrySet()
.stream()
.fi...
Why is null an object and what's the difference between null and undefined?
...d by JavaScript and means “no value”. Uninitialized variables, missing parameters and unknown variables have that value.
> var noValueYet;
> console.log(noValueYet);
undefined
> function foo(x) { console.log(x) }
> foo()
undefined
> var obj = {};
> console.log(obj.unknownPro...
Stored procedure slow when called from web, fast from Management Studio
...t in SSMS and I eventually found out that the problem was something called parameter sniffing.
The fix for me was to change all the parameters that are used in the sproc to local variables.
eg. change:
ALTER PROCEDURE [dbo].[sproc]
@param1 int,
AS
SELECT * FROM Table WHERE ID = @param1
t...