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How to delete images from a private docker registry?
... run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
...
Unique ways to use the Null Coalescing operator [closed]
...t you can easily convert nullable value types to non-nullable types:
int? test = null;
var result = test ?? 0; // result is int, not int?
I frequently use this in Linq queries:
Dictionary<int, int?> PurchaseQuantities;
// PurchaseQuantities populated via ASP .NET MVC form.
var totalPurchas...
What are the benefits of Java's types erasure?
...l programming. We end up with remediations like automated and exploratory tests to make up for the problems we have with informal reasoning. This is not to say that testing is intrinsically a bad idea, but the quoted Twitter user is suggesting that there is a much better way.
So our goal is to hav...
PHP Regex to get youtube video ID?
...tp://youtu.be/dQw4w9WgXcQ?feature=youtube_gdata_player
Also includes the test below the function.
/**
* Get Youtube video ID from URL
*
* @param string $url
* @return mixed Youtube video ID or FALSE if not found
*/
function getYoutubeIdFromUrl($url) {
$parts = parse_url($url);
if(iss...
Unix tail equivalent command in Windows Powershell
... documented well in v2.
Here is an example
Get-Content -Path "C:\scripts\test.txt" -Wait
Once you run this, update and save the file and you will see the changes on the console.
share
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improve ...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...
@Thomas Harlan A simple test demonstrates to me that there is no tangible difference between joining nvarchar to varchar vs converting nvarchar to varchar and joining to varchar. Unless of course you meant being consistent in column datatypes, not i...
Parsing JSON from XmlHttpRequest.responseJSON
...
Note: I've only tested this in Chrome.
it adds a prototype function to the XMLHttpRequest .. XHR2,
in XHR 1 you probably just need to replace this.response with this.responseText
Object.defineProperty(XMLHttpRequest.prototype,'responseJSO...
Opening the Settings app from another app
...
YES!! you can launch Device Settings screen, I have tested on iOS 9.2
Step 1. we need to add URL schemes
Go to Project settings --> Info --> URL Types --> Add New URL Schemes
Step 2. Launch Settings programmatically Thanks to @davidcann
[[UIApplication sharedApp...
Is there a way to get rid of accents and convert a whole string to regular letters?
...port for Ł, @KarolS. Someone submitted a pull request, but it failed some tests and hasn't been updated since July of last year.
– DavidS
Feb 3 '16 at 20:21
1
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Rails: FATAL - Peer authentication failed for user (PG::Error)
...localhost
username: thisismynewusername
password: thisismynewpassword
test:
# this won't work
adapter: postgresql
encoding: unicode
database: my_application_test
pool: 5
username: my_application
password:
production:
# this won't work
adapter: postgresql
encoding: unicode...