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How do I rename a column in a SQLite database table?
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This was just fixed with 2018-09-15 (3.25.0)
Enhancements the ALTER TABLE command:
Add support for renaming columns within a table using ALTER TABLE table RENAME COLUMN oldname TO newname.
Fix table rename feature so that it also update...
Random / noise functions for GLSL
...ve your own functions from.
/*
static.frag
by Spatial
05 July 2013
*/
#version 330 core
uniform float time;
out vec4 fragment;
// A single iteration of Bob Jenkins' One-At-A-Time hashing algorithm.
uint hash( uint x ) {
x += ( x << 10u );
x ^= ( x >> 6u );
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How do you allow spaces to be entered using scanf?
...e <stdio.h>
int main (int argc, char const *argv[])
{
char name[20];
scanf("%[^\n]s",name);
printf("%s\n", name);
return 0;
}
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What does “dereferencing” a pointer mean?
...tring literal happened to be at address 0x1000 and p a 32-bit pointer at 0x2000, the memory content would be:
Memory Address (hex) Variable name Contents
1000 'a' == 97 (ASCII)
1001 'b' == 98
1002 ...
Efficient way to remove keys with empty strings from a dict
... what OP asked.
– Amir
Mar 9 '16 at 20:07
4
@shredding: You mean .items().
–...
Best way to convert IList or IEnumerable to Array
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edited Jan 9 '16 at 1:20
user719662
answered Apr 18 '11 at 12:41
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PostgreSQL wildcard LIKE for any of a list of words
...nsensitive match
– gilad mayani
Sep 20 '19 at 10:57
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...6 3 -> /var/log/lastlog
$ gdb -p 5636
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent pe...
How to SSH to a VirtualBox guest externally through a host? [closed]
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I also added the port redirect from 2020 to 80, so I can easily access Apache from the browser using 192.0.0.1:2020. VBoxManage modifyvm myserver --natpf1 "ssh,tcp,,2020,,80"
– Eduardo Russo
Feb 28 '13 at 9:20
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Hidden features of Ruby
...(m) rescue m}
– Jonas Elfström
Jan 20 '10 at 10:22
7
Both good tricks, but there's got to be a p...