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SQL Server Regular expressions in T-SQL
...e
EXEC @res = sp_OASetProperty @obj, 'IgnoreCase', 1;
-- Call the method 'Test' to find a match
EXEC @res = sp_OAMethod @obj, 'Test', @match OUT, @matchstring;
-- Don't forget to clean-up
EXEC @res = sp_OADestroy @obj;
If you get SQL Server blocked access to procedure 'sys.sp_OACreate'... error,...
Templated check for the existence of a class member function?
...{
int helloworld() { return 0; }
};
struct Generic {};
// SFINAE test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::helloworld) ) ;
template <typename C> s...
“Inner exception” (with traceback) in Python?
...
import sys
class MyException(Exception): pass
try:
raise TypeError("test")
except TypeError, e:
raise MyException(), None, sys.exc_info()[2]
Always do this when catching one exception and re-raising another.
sha...
How to use getJSON, sending data with post method?
..._GET['callback']."(".json_encode($myarr).");");
I made some cross-domain tests and it seems to work. Still need more testing though.
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...16) | (x << 16));
}
From the famous Bit Twiddling Hacks page:
Fastest (lookup table):
static const unsigned char BitReverseTable256[] =
{
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0...
The difference between sys.stdout.write and print?
...tdout = open('log.txt', 'w') # redirect all prints to this log file
print("testing123") # nothing appears at interactive prompt
print("another line") # again nothing appears. it's written to log file instead
sys.stdout.close() # ordinary file object
sys.stdou...
How to manually expand a special variable (ex: ~ tilde) in bash
...
export test="~root/a b"; echo ${~test}
– Gyscos
Jul 15 '15 at 17:49
...
browser sessionStorage. share between tabs?
...foobar');
localStorage.removeItem('getSessionStorage', 'foobar');
};
I tested this in chrome, ff, safari, ie 11, ie 10, ie9
This method "should work in IE8" but i could not test it as my IE was crashing every time i opened a tab.... any tab... on any website. (good ol IE) PS: you'll obviously n...
Insert auto increment primary key to existing table
... ALTER TABLE statement adding the PRIMARY KEY column works correctly in my testing:
ALTER TABLE tbl ADD id INT PRIMARY KEY AUTO_INCREMENT;
On a temporary table created for testing purposes, the above statement created the AUTO_INCREMENT id column and inserted auto-increment values for each existi...
How to force ASP.NET Web API to always return JSON?
...onfiguration.Formatters.JsonFormatter);
}
this code is pain for unit testing but that's also possible like this:
sut = new WhateverController() { Configuration = new HttpConfiguration() };
sut.Configuration.Formatters.Add(new Mock<JsonMediaTypeFormatter>().Object);
sut.Reque...