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What is a non-capturing group in regular expressions?
...groups serve many purposes. They can help you to extract exact information from a bigger match (which can also be named), they let you rematch a previous matched group, and can be used for substitutions. Let's try some examples, shall we?
Imagine you have some kind of XML or HTML (be aware that reg...
How to use single storyboard uiviewcontroller for multiple subclass
... which is connected to right navigation button of the navigation bar
From there I would like to use the storyboard as a template for other views without having to create additional storyboards. Say these views will have exactly the same interface but with root view controller of class Specifi...
Building a minimal plugin architecture in Python
... a well-known entry point possibly with module-level config params, and go from there. I use file-monitoring stuff for a certain amount of dynamism in which plugins are active, but that's a nice-to-have.
Of course, any requirement that comes along saying "I don't need [big, complicated thing] X; I ...
YouTube API to fetch all videos on a channel
...requests yourself. Here is an example URL that retrieves the latest videos from a channel:
https://www.googleapis.com/youtube/v3/search?key={your_key_here}&channelId={channel_id_here}&part=snippet,id&order=date&maxResults=20
After that you will receive a JSON with video ids and de...
Any way to exit bash script, but not quitting the terminal
...
Yes; you can use return instead of exit. Its main purpose is to return from a shell function, but if you use it within a source-d script, it returns from that script.
As §4.1 "Bourne Shell Builtins" of the Bash Reference Manual puts it:
return [n]
Cause a shell function to exit wi...
What is a StoryBoard ID and how can i use this?
...ontroller based on that storyboard ViewController. An example use would be from any ViewController:
//Maybe make a button that when clicked calls this method
- (IBAction)buttonPressed:(id)sender
{
MyCustomViewController *vc = [self.storyboard instantiateViewControllerWithIdentifier:@"MyViewCon...
Get JavaScript object from array of objects by value of property [duplicate]
...
jsObjects.find(x => x.b === 6)
From MDN:
The find() method returns a value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
Side note: methods like find() and arrow functions are not...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...ing that setup directly on the server. I now need to move the certificate from the web server to the new load balancer. Amazon requires the private key and certs to be in PEM format, so I used the "rekey" tool at GoDaddy to create new certs. When I load those in the load balancer setup screen on ...
What is __pycache__?
From what I understand, a cache is an encrypted file of similar files.
10 Answers
10
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Where in memory are my variables stored in C?
...t the heap officially isn't called anything at all. Allocated memory comes from somewhere, there is no name in the standard for that "somewhere".
– Steve Jessop
Jan 29 '13 at 18:09
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