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mmap() vs. reading blocks
...as that it was mmapping whole files, which limits you to 2^(wordsize). On 32-bit machines, 4GB isn't big enough. It's not unreasonable to expect to have .pack files in Git that become much larger than that, so I needed to read the file in chunks without resorting to regular file i/o. Under the co...
'Operation is not valid due to the current state of the object' error during postback
...in the registry under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ASP.NET\1.1.4322.0
for 32-bit editions of Windows, and
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\ASP.NET\1.1.4322.0
for 64-bit editions of Windows.
s...
M_PI works with math.h but not with cmath in Visual Studio
...}
Compiles and prints pi like is should: cl /O2 main.cpp /link /out:test.exe.
There must be a mismatch in the code you have posted and the one you're trying to compile.
Be sure there are no precompiled headers being pulled in before your #define.
...
Apache Prefork vs Worker MPM
... get something like:
> httpd -l
Compiled in modules:
core.c
mod_win32.c
mpm_winnt.c
http_core.c
mod_so.c
As of version 2.2 this is the list of available core features and MPM modules:
core - Core Apache HTTP Server features that are always available
mpm_common - A collection of dir...
How to write WinForms code that auto-scales to system font and dpi settings?
...l Studio to run at a virtual 96dpi on a high-resolution display,
find its .exe file, right-click to edit properties, and under Compatibility
select "Override high DPI scaling behavior. Scaling performed by: System".
Be sure you never set the Font at the container level... only on the
leaf controls O...
How to use a RELATIVE path with AuthUserFile in htaccess?
...w the simulates DOS)
Type "C:\Program Files (x86)\xampp\apache\bin\httpd.exe" -D "DEV" -k config.
This will append a new DEV flag to the environment variables that you can use later.
3) Start Apache
Open back up the XAMPP Control Panel and start the Apache service.
4) Create you...
What is a good Hash Function?
...equal parts computer science genius and pure voodoo:
unsigned fnv_hash_1a_32 ( void *key, int len ) {
unsigned char *p = key;
unsigned h = 0x811c9dc5;
int i;
for ( i = 0; i < len; i++ )
h = ( h ^ p[i] ) * 0x01000193;
return h;
}
unsigned long long fnv_hash_1a_64 ( voi...
Hashing a string with Sha256
...ash += bit.ToString("x2"); I've a question here: I was using Convert.ToBase64String(byte[] encryptedBytes) to convert back from bytes to string. that was giving me different result. so what is the different between these two methods of converting from bytes to string..?
– Keval...
How do you convert a byte array to a hexadecimal string, and vice versa?
...0xF)]);
}
return result.ToString();
}
static readonly uint* _lookup32UnsafeP = (uint*)GCHandle.Alloc(_Lookup32, GCHandleType.Pinned).AddrOfPinnedObject();
static string ByteArrayToHexViaLookup32UnsafeDirect(byte[] bytes) {
var lookupP = _lookup32UnsafeP;
var result = new string((char...
Is there a way to use PhantomJS in Python?
...r add to your PATH
... with the following:
driver = webdriver.PhantomJS(executable_path='/usr/local/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs')
References:
http://selenium-python.readthedocs.io/
How do I set a proxy for phantomjs/ghostdriver in python webdriver?
https://dzone.com/a...