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How does the Brainfuck Hello World actually work?
... example, decimal code of ! is 33, while a is 97.
Well, lets imagine your BF program memory looks like:
...[0][0][*0*][0][0]...
Assuming standard input stands for a, if you use comma , operator, what BF does is read a decimal ASCII code 97 to memory:
...[0][0][*97*][0][0]...
You generally wan...
PHP function to generate v4 UUID
...);
$data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100
$data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
}
echo guidv4(openssl_random_pseudo_bytes(16));
With PHP 7, genera...
Razor-based view doesn't see referenced assemblies
...tem.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermissio...
IIS7 deployment - duplicate 'system.web.extensions/scripting/scriptResourceHandler' section
... System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
<section name=...
截图软件截图区域以外背景变灰的实现--AlphaBlend - C/C++ - 清泛网 - 专注...
...memdc.FillRgn(&rgnScreen, &brush);
brush.DeleteObject();
BLENDFUNCTION bf;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = alpha;
bf.AlphaFormat = 0;
// 内存DC透明映射到绘图DC
dc.AlphaBlend(0,0,screenX,screenY,&memdc,0,0,screenX,screenY,bf);
memdc.SelectObje...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
...
What is the correct way to make a custom .NET Exception serializable?
...ialize and de-serialize with a BinaryFormatter
BinaryFormatter bf = new BinaryFormatter();
using (MemoryStream ms = new MemoryStream())
{
// "Save" object state
bf.Serialize(ms, ex);
// Re-use the same stream for de...
Why use double indirection? or Why use pointers to pointers?
...lets see\n", *x);
}
Here is the output: (read this first)
a's value: bf94c204
b's value: bf94c208
f's value: bf94c20c
can we change a?, lets see
a = b
a's value is now: bf94c208, same as 'b'... it seems we can, but can we do it in a function? lets see...
cant_change(a, f);
...
moment.js - UTC gives wrong date
... Just for learning sake, in the console: moment.utc('2013-07-18 0:00 +0100', 'YYYY-MM-DD HH:mm') gives me "2013-07-18 0:00 +0100" But what dislpays on jsfiddle when ran is different that is: Thu Jul 25 2013 01:00:00 GMT+0100 Note the 01:00:00. thanks.
– brg
...
How do I get elapsed time in milliseconds in Ruby?
...ch would be:
irb(main):038:0> t8 = Time.now
=> Sun Nov 01 15:18:04 +0100 2009
irb(main):039:0> t9 = Time.now
=> Sun Nov 01 15:18:18 +0100 2009
irb(main):040:0> dif = t9 - t8
=> 13.940166
irb(main):041:0> (1000 * dif).to_i
=> 13940
Multiplying by an integer 1000 preserves t...