大约有 5,225 项符合查询结果（耗时：0.0225秒） [XML]
What represents a double in sql server?
... a 128-bit floating point number.
MSSQL's float type is equivalent to the 64-bit double type in .NET. (My original answer from 2011 said there could be a slight difference in mantissa, but I've tested this in 2020 and they appear to be 100% compatible in their binary representation of both very sma...
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
...
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...
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
...
Where do “pure virtual function call” crashes come from?
...Rosenfield
347k9090 gold badges477477 silver badges564564 bronze badges
4
...
Try-catch speeding up my code?
...
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
...
Git Bash is extremely slow on Windows 7 x64
...
Mr Fooz
89.5k55 gold badges6464 silver badges9595 bronze badges
answered Jun 4 '14 at 19:30
shoelzershoelzer
...
How to generate a random string in Ruby
...1 (i.e. 32 chars of 0..9, a..f)
SecureRandom also has methods for:
base64
random_bytes
random_number
see: http://ruby-doc.org/stdlib-1.9.2/libdoc/securerandom/rdoc/SecureRandom.html
share
|
im...
How does this giant regex work?
...C\x28\x67\x7A\x69\x6E\x66\x6C\x61\x74\x65\x28\x62\x61\x73\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28
is acutally:
eval(gzinflate(base64_decode(
This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable vi...