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Generate a random letter in Python
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Simple:
>>> import string
>>> string.ascii_letters
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
>>> import random
>>> random.choice(string.ascii_letters)
'j'
string.ascii_letters returns a string containin...
Download multiple files as a zip-file using php
...pfilename should read $zipname - it's the filename of the created zip as a string.
– Chris
Mar 31 '14 at 15:56
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How to delete duplicate lines in a file without sorting it in Unix?
...hen seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line will not be written to the output.
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Ruby: How to get the first character of a string
How can I get the first character in a string using Ruby?
13 Answers
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Grant **all** privileges on database
... probably don't need the first command unless you want access from outside IP addresses, or from other computers on the local subnet. If you do, I would recommend using commands that are targeted to the specific IP addresses that you want to allow, such as myuser@192.168.0.1 (for one on the local s...
How to dismiss notification after action has been clicked
...e(): Bundle extras = getIntent().getExtras(); if (extras != null) { String tag = extras.getString(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_TAG); int id = extras.getInt(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_ID); if (NotificationReceiver.NOTIFICATION_ID == id && Not...
What is a higher kinded type in Scala?
..., but I have not seen this used anywhere), such as the value 1 or the type String, we usually say something is a "proper" value or type.
A proper value is "immediately usable" in the sense that it is not waiting for arguments (it does not abstract over them). Think of them as values that you can eas...
How does cookie based authentication work?
Can someone give me a step by step description of how cookie based authentication works? I've never done anything involving either authentication or cookies. What does the browser need to do? What does the server need to do? In what order? How do we keep things secure?
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Get individual query parameters from Uri [duplicate]
I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param
9 Answers
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A connection was successfully established with the server, but then an error occurred during the pre
...e same problem, I was storing session data in the database, the connection string had Encrypt=True in it, which I assume told the sql client to connect to the server in secure (SSL) mode, removing this helped!
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