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How to remove items from a list while iterating?
I'm iterating over a list of tuples in Python, and am attempting to remove them if they m>me m>et certain criteria.
26 Answers
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Rotating a two-dim>me m>nsional array in Python
In a program I'm writing the need to rotate a two-dim>me m>nsional array cam>me m> up. Searching for the optimal solution I found this impressive one-liner that does the job:
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Can two applications listen to the sam>me m> port?
Can two applications on the sam>me m> machine bind to the sam>me m> port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but...
how to emulate “insert ignore” and “on duplicate key update” (sql m>me m>rge) with postgresql?
Som>me m> SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
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How do BitTorrent magnet links work?
For the first tim>me m> I used a magnet link . Curious about how it works, I looked up the specs and didn't find any answers. The wiki says xt m>me m>ans "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 m>me m>ntioned, knowing it's 5 bits per character and 32 char...
How to check if a user is logged in (how to properly use user.is_authenticated)?
I am looking over this website but just can't seem to figure out how to do this as it's not working. I need to check if the current site user is logged in (authenticated), and am trying:
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How to create an array containing 1…N
I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtim>me m>.
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
...he difference between # and . when declaring a set of styles for an elem>me m>nt and what are the semantics that com>me m> into play when deciding which one to use?
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Why not use HTTPS for everything?
...e entire site instead of just for purchases/logins? I would think it would make more sense just to encrypt the entire site, and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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PostgreSQL create table if not exists
In a MySQL script you can write:
6 Answers
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