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How to make a class conform to a protocol in Swift?
in Objective-C:
3 Answers
3
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What does the exclamation mark mean in a Haskell declaration?
I came across the following definition as I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it.
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What and When to use Tuple? [duplicate]
May someone please explain what a Tuple is and how to use it in a Real World Scenario. I would like to find out how this can enrich my coding experience?
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Automatically start forever (node) on system restart
I am using node's forever module to keep my node server running. Forever however terminates when there is a system restart. Is there any way I can automatically start the node server (with forever) when the system restarts?
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How do you display a Toast from a background thread on Android?
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You can do it by calling an Activity's runOnUiThread method from your thread:
activity.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(activity, "Hello", Toast.LENGTH_SHORT).show();
}
});
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Ways to save Backbone.js model data?
I am more into front end development and have recently started exploring Backbone.js into my app. I want to persist the model data to the server.
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What is the difference between assert, expect and should in Chai?
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The differences are documented there.
The three interfaces present different styles of performing assertions. Ultimately, they perform the same task. Some users prefer one style over the other. This being said, there are also a couple technical considerations worth highlig...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
I just want to understand following line of code in shell. It is used to get the current working directory. I am aware that $(variable) name return the value inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, w...
IIS AppPoolIdentity and file system write access permissions
Here's an issue with IIS 7.5 and ASP.NET that I've been researching and getting nowhere with. Any help would be greatly appreciated.
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When should I use malloc in C and when don't I?
I understand how malloc() works. My question is, I'll see things like this:
6 Answers
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