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Redis: possible to expire an element in an array or sorted set?
... them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually?
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How do popular apps authenticate user requests from their mobile app to their server?
Say I have an Android application that connects to a .Net API for receiving/setting data. The confusion that I have is regarding how to sign-up/login the user first time and authenticate it every time they make a request to the API.
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Checking if a key exists in a JavaScript object?
How do I check if a particular key exists in a JavaScript object or array?
22 Answers
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How to check if a file exists in Documents folder?
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Swift 3:
let documentsURL = try! FileManager().url(for: .documentDirectory,
in: .userDomainMask,
appropriateFor: nil,
create: true)
... gives you a f...
Timertask or Handler
Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view.
3 Answer...
Should Jquery code go in header or footer?
Where is the best place to put Jquery code (or separate Jquery file)? Will pages load faster if I put it in the footer?
9 ...
Default string initialization: NULL or Empty? [closed]
...s to NULL, with the thinking that NULL means the absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly added nullable types in c# it seem...
Constructor function vs Factory functions
Can someone clarify the difference between a constructor function and a factory function in Javascript.
7 Answers
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python max function using 'key' and lambda expression
... expression to return the instance of type Player having maximum totalScore among the list players .
6 Answers
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How do you read from stdin?
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You could use the fileinput module:
import fileinput
for line in fileinput.input():
pass
fileinput will loop through all the lines in the input specified as file names given in command-line arguments, or the standard input if no arguments are provided.
Not...