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Check if my app has a new version on AppStore
...isUpdateAvailable()
DispatchQueue.main.async {
// show alert
}
} catch {
print(error)
}
}
Update
Using URLSession:
Instead of using Data(contentsOf: url) and block a thread, we can use URLSession:
func isUpdateAvailable(completion: @escaping (Bool?, E...
Does VBA have Dictionary Structure?
...
Yes.
Set a reference to MS Scripting runtime ('Microsoft Scripting Runtime'). As per @regjo's comment, go to Tools->References and tick the box for 'Microsoft Scripting Runtime'.
Create a dictionary instance using the code below:
Set dict = Crea...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...uery's DOM methods.
There are ways to manipulate these elements using JavaScript and/or CSS workarounds; which one you use depends on your exact requirements.
I'm going to start with what's widely considered the "best" approach:
1) Add/remove a predetermined class
In this approach, you've alre...
memory_get_peak_usage() with “real usage”
...
Ok, lets test this using a simple script:
ini_set('memory_limit', '1M');
$x = '';
while(true) {
echo "not real: ".(memory_get_peak_usage(false)/1024/1024)." MiB\n";
echo "real: ".(memory_get_peak_usage(true)/1024/1024)." MiB\n\n";
$x .= str_repeat(' ',...
What is this Javascript “require”?
I'm trying to get Javascript to read/write to a PostgreSQL database. I found this project on github. I was able to get the following sample code to run in node.
...
How can I copy the output of a command directly into my clipboard?
...t as well submit the answer."
cb
A leak-proof tee to the clipboard
This script is modeled after tee (see man tee).
It's like your normal copy and paste commands, but unified and able to sense when you want it to be chainable
Examples
Copy
$ date | cb
# clipboard contains: Tue Jan 24 23:00:00 ...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
Why is __dirname not defined in node REPL?
...
__dirname is only defined in scripts. It's not available in REPL.
try make a script a.js
console.log(__dirname);
and run it:
node a.js
you will see __dirname printed.
Added background explanation: __dirname means 'The directory of this script'. ...
How to create permanent PowerShell Aliases
...
In order to allow the execution of my profile script, I had to do one extra step. Run Powershell as an Administrator, and execute Set-ExecutionPolicy RemoteSigned -Scope CurrentUser. The -Scope option makes it a bit more secure.
– zombat
...
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...groupingView
----addButton
During device rotation the view controller is alerted via the UIPopoverViewControllerDelegate call popoverController:willRepositionPopoverToRect:inView:
- (void)popoverController:(UIPopoverController *)popoverController willRepositionPopoverToRect:(inout CGRect *)rect i...