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SQL - using alias in Group By
...lect gender as col1, maritalstatus as col2,
yearlyincome as col3 from customer) as layer_1
group by col1_1;
-- Failing example in postgres
select col2 as col1, avg(col3)
from
(select gender as col1, maritalstatus as col2,
yearlyincome as col3 from customer) as layer_1
group by col1;
...
How can I disable ReSharper in Visual Studio and enable it again?
...Bar.Controls.Count+1)
$ctrl.Caption = "R#"
If you want to add it to a new custom toolbar:
$toolbarType = [EnvDTE.vsCommandBarType]::vsCommandBarTypeToolbar
$cmdBar = $dte.Commands.AddCommandBar("Resharper", $toolbarType)
$cmd = $dte.Commands.Item("ReSharper_ToggleSuspended")
$ctrl = $cmd.AddControl...
How to change the docker image installation directory?
...ions of Docker, you would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).
With older versions, you can change Docker's storage base directory (where conta...
Call Go functions from C
...nside your package.
In order to allow a user of your package to supply a custom callback function, we use the exact same approach as above, but we supply the user's custom handler (which is just a regular Go function) as a parameter that is passed onto the C side as void*. It is then received by t...
Android: Access child views from a ListView
...for when a user clicks on the listview multiple times. This is done with a custom layout for each row in the ListView. (Very simple, just create a new layout file with a TextView - do not set focusable or clickable!).
No custom adapter required - use ArrayAdapter
...
Create a CSV File for a user in PHP
...hat. This enables cool stuff, like adding variables to the querystring and customize the output:
<a href="my_csv_creator.php?user=23&amp;othervariable=true">Get CSV</a>
my_csv_creator.php can work with the variables given in the querystring and for example use different or customi...
Does PostgreSQL support “accent insensitive” collations?
...rating system for collation. It does support creating new collations, and customizing collations. I'm not sure how much work that might be for you, though. (Could be quite a lot.)
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self referential struct definition?
...h structure tag 'Node'
struct Node
{
int data;
//pointer to structure with custom type as same as struct tag
Node *nextNode;
};
//another pointer of custom type 'Node', same as struct tag
Node *node;
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How to print time in format: 2009‐08‐10 18:17:54.811
...he expedient trick for filling out the display to the millisecond. I had a customer once that wanted me to do that, but with non-zero digits so it looked like there was significance there. I talked him out of it but agreed to put in zeros.
– RBerteig
Sep 9 '10 ...
How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
...bject> { {"class","prev"}, {"data-details","yada"} } )%>
// 2: pass custom type decorated with descriptor attributes
public class CustomArgs
{
public CustomArgs( string className, string dataDetails ) { ... }
[DisplayName("class")]
public string Class { get; set; }
[DisplayNa...