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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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Send POST data on redirect with JavaScript/jQuery? [duplicate]
...ata when I change the window.location , as if a user has submitted a form and it went to a new page. I need to do it this way because I need to pass along a hidden URL, and I can’t simply place it in the URL as a GET for cosmetic reasons.
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How to determine if a process runs inside lxc/Docker?
...k /proc/1/cgroup. It will tell you the control groups of the init process, and when you are not in a container, that will be / for all hierarchies. When you are inside a container, you will see the name of the anchor point. With LXC/Docker containers, it will be something like /lxc/<containerid&g...
Java String to SHA1
I'm trying to make a simple String to SHA1 converter in Java and this is what I've got...
12 Answers
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tmux set -g mouse-mode on doesn't work
I've been looking around and people say that putting
8 Answers
8
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How to delete a character from a string using Python
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Given that the questioner is brand new to python, it might be worth noting that while in version 2.X python the "/" operator returns an integer (truncated towards zero), in version 3.X python you should use "//" instead. Also, the line from __future__ impo...
Delete duplicate rows from small table
...table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values.
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How to stop C++ console application from exiting immediately?
...n one of the code samples, I see that program open for about a half second and then immediately close. Is there a way to stop the program from closing immediately so that I can see the fruits of my effort?
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What does the leading semicolon in JavaScript libraries do?
...t rely on someone else's code following your conventions. Code defensively and then you don't have to.
– jvenema
Feb 16 '16 at 22:40
1
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What does enumerate() mean?
...is produced with (counter, element); the for loop binds that to row_number and row, respectively.
Demo:
>>> elements = ('foo', 'bar', 'baz')
>>> for elem in elements:
... print elem
...
foo
bar
baz
>>> for count, elem in enumerate(elements):
... print count, ele...