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Comparison of DES, Triple DES, AES, blowfish encryption for data
...e realm of "not breakable with today's technology"). But it is slow, especially in software (DES was designed for efficient hardware implementation, but it sucks in software; and 3DES sucks three times as much).
Blowfish is a block cipher proposed by Bruce Schneier, and deployed in some softwares. B...
git: 'credential-cache' is not a git command
...indows is now the easiest option. Some versions of the Git for Windows installer (e.g. 2.7.4) have a checkbox during the install to enable the Git Credential Manager. Here is a screenshot:
Still using msysgit? For msysgit versions 1.8.1 and above
The wincred helper was added in msysgit 1.8.1. U...
Python's time.clock() vs. time.time() accuracy?
...rking Python or timing algorithms.
On Windows, this function returns wall-clock seconds elapsed since the
first call to this function, as a floating point number, based on the
Win32 function QueryPerformanceCounter(). The resolution is typically
better than one microsecond.
Additionally...
How to programmatically click a button in WPF?
...rmClick() method in WPF, is there a way to click a WPF button programmatically?
8 Answers
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MySQL ON DUPLICATE KEY - last insert id?
...le (a) VALUES (0)
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id), a=1
Is all here: http://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE
inserts a row, the LAST_INSERT_ID() function returns the
AUTO_INCREMENT value. If t...
How to Join to first row
...
@Quassnoi answer is good, in some cases (especially if the outer table is big), a more efficient query might be with using windowed functions, like this:
SELECT Orders.OrderNumber, LineItems2.Quantity, LineItems2.Description
FROM Orders
LEFT JOIN
(
S...
How to do multiple arguments to map function where one remains the same in python?
...
@Shan: Very similar, especially if add() is a non-trivial function
– Sven Marnach
May 31 '12 at 13:52
2
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Get the value of checked checkbox?
...please explain? The guy who asked the question used class in the input actually. It will be good if you can provide the full code so I can understand from where you got the id
– devfaysal
Apr 26 '16 at 2:41
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How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin
I'm trying to install Rails 3 on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed myself. So far, I've run these commands:
...
What's this =! operator? [duplicate]
... I wonder if it was a typo of someone trying to type != especially since it is in an if statement
– Cory Kramer
Jan 9 '14 at 19:21
35
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