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Does C# have extension properties?
...{
private static readonly ConditionalWeakTable<Person, Employee> _employees =
new ConditionalWeakTable<Person, Employee>();
public decimal Salary
{
get
{
// `this` is the instance of Person
return _employees.GetOrCreate(this...
How to check for null in Twig?
... Notice: as Twig 2.x check for variable is equal to value like is_ sameas must be {% if var is same as(false) %} not {% if var is sameas(false) %} see Doc url => twig.symfony.com/doc/2.x/tests/sameas.html
– ahmed hamdy
Jul 15 '19 at 17:01
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How to do error logging in CodeIgniter (PHP)
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to override toString() properly in Java?
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Following code is a sample. Question based on the same, instead of using IDE based conversion, is there a faster way to implement so that in future the changes occur, we do not need to modify the values over and over again?
@Override
public String toString(...
Removing Data From ElasticSearch
...he indexes, this may come in handy:
curl -X DELETE 'http://localhost:9200/_all'
Powershell:
Invoke-WebRequest -method DELETE http://localhost:9200/_all
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When should I use GET or POST method? What's the difference between them?
...ery string. So a POST request is a superset of a GET request; you can use $_GET in a POST request, and it may even make sense to have parameters with the same name in $_POST and $_GET that mean different things.
For example, let's say you have a form for editing an article. The article-id may be in...
SQL Server: Query fast, but slow from procedure
...ript of the slow and fast versions of the stored procedure:
dbo.ViewOpener__RenamedForCruachan__Slow.PRC
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
CREATE PROCEDURE dbo.ViewOpener_RenamedForCruachan_Slow
@SessionGUID uniqueidentifier
AS
SELECT *
FROM Report_Opener_RenamedForCruacha...
Should I use an exception specifier in C++?
...w listed exceptions (possibly none). bullet Enable compiler optimizations based on the knowledge that only listed exceptions (possibly none) will be thrown. The above expectations are, again, deceptively close to being correct" No, the above expectations are absolutely correct.
...
What is Java String interning?
...nterning is implemented magically and efficiently with a dedicated CONSTANT_String_info struct (unlike most other objects which have more generic representations):
A string literal is a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in th...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...dimension values used in the source code are assumed to be relative to the baseline of 8pt Tahoma at 96dpi.
If you use any images or glyphs in your UI then these need to scale too. A common example would be the glyphs that are used on toolbars and menus. You'll want to provide these glyphs as icon ...