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hexadecimal string to byte array in python
... bits = ''
for i in range(len(s)):
bits += hex_table[int(s[i], base=16)]
return bits
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MySQL Server has gone away when importing large sql file
...f file. On Debian: sudo nano
/etc/mysql/my.cnf, set max_allowed_packet = 64M (you can
tweak/decrease this value when error 2006 is gone), then sudo
/etc/init.d/mysql restart.
Edit:
Notice that MySQL option files do not have their commands already available as comments (like in php.ini fo...
What is the maximum length of a valid email address?
...
320
And the segments look like this
{64}@{255}
64 + 1 + 255 = 320
You should also read this if you are validating emails
http://haacked.com/archive/2007/08/21/i-knew-how-to-validate-an-email-address-until-i.aspx
...
Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
... This! Get Msys2 which is a Cygwin fork with support for MinGW-w64 and other windows stuff. I use Zshell with Powerlevel10k and it is fast as can be, very pretty and works just as well with tmux.
– Jose V
Jan 8 at 14:40
...
Tricks to manage the available memory in an R session
... available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bi...
Fastest sort of fixed length 6 int array
...and insertion sort. If I were betting, I'd put my money on insertion sort based on past experience.
Do you know anything about the input data? Some algorithms will perform better with certain kinds of data. For example, insertion sort performs better on sorted or almost-sorted dat, so it will be...
How can I run PowerShell with the .NET 4 runtime?
...etframework /v OnlyUseLatestCLR /t REG_DWORD /d 1
reg add hklm\software\wow6432node\microsoft\.netframework /v OnlyUseLatestCLR /t REG_DWORD /d 1
To update just the ISE to use .NET 4.0, you can change the configuration ($psHome\powershell_ise.exe.config) file to have a chunk like this:
<?xml v...
Detect Windows version in .net
...:
edition = "Enterprise Server for Itanium-based Systems";
break;
case PRODUCT_ENTERPRISE_SERVER_V:
edition = "Enterprise Server without Hyper-V";
...
Make HTML5 video poster be same size as video itself
...or preloading but without requiring a separate transparent image. We use a base64 encoded 1px transparent image instead.
<style type="text/css" >
video{
background: transparent url("poster.jpg") 50% 50% / cover no-repeat ;
}
</style>
<video controls poster="data:image...
Mercurial move changes to a new branch
...n is one solution for you problem. IMHO a simpler workflow is to use the rebase extension. Suppose you have a history like this:
@ changeset: 2:81b92083cb1d
| tag: tip
| summary: my new feature: edit file a
|
o changeset: 1:8bdc4508ac7b
| summary: my new feature: add file b...