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Hidden Features of MySQL
...cify it thus:
...) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1
TIMESTAMPS:
Values for TIMESTAMP columns are converted from the current time zone to UTC for storage,
and from UTC to the current time zone for retrieval.
http://dev.mysql.com/doc/refman/5.1/en/timestamp.html
For one TIMES...
Why are trailing commas allowed in a list?
...
It helps to eliminate a certain kind of bug. It's sometimes clearer to write lists on multiple lines.
But in, later maintenace you may want to rearrange the items.
l1 = [
1,
2,
3,
4,
5
]
# Now you want to rearrange
l1 = [
1,
...
How to get the last character of a string in a shell?
...rreal, quoting variables is important, but because I read this post like 5 times before finding a simpler approach to the question at hand in the comments...
str='abcd/'
echo "${str: -1}"
Output: /
str='abcd*'
echo "${str: -1}"
Output: *
Thanks to everyone who participated in this above; I've...
Git authentication fails after enabling 2FA
...thub.com/owner/repo.git
You can persist your password by run this for one time only:
$ git config credential.helper store
and then your future git password(s) will be stored in ~/.git-credentials, in plaintext, using the format https://user:PlaintextPassword@example.com.
Storing password(s) in p...
Concurrent HashSet in .NET Framework?
...even if it is a null reference (the reference needs 4 bytes in a 32-bit runtime and 8 bytes in a 64-bit runtime). Therefore, using a byte, an empty struct, or similar may reduce the memory footprint (or it may not if the runtime aligns the data on native memory boundaries for faster access).
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The function to show current file's full path in mini buffer
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I have the following code already in use for a long time.
It copies the full file path to the kill ring when I press the middle mouse button on the buffer name in the mode-line. It copies just the buffer name to the kill-ring when I press shift-mouse-2 on the buffer-name in th...
Nodejs Event Loop
...around the event loop call this callback. This is not a simple alias to setTimeout(fn, 0), it's much more efficient. Which event loop does this refer to? V8 event loop?
– Tamil
Jun 19 '12 at 15:03
...
Remove all special characters, punctuation and spaces from string
... the provided answers by finding out which executes in the least amount of time, so I went through and checked some of the proposed answers with timeit against two of the example strings:
string1 = 'Special $#! characters spaces 888323'
string2 = 'how much for the maple syrup? $20.99? That s ric...
Programmatically retrieve memory usage on iPhone
I'm trying to retrieve the amount of memory my iPhone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog.
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How to get the changes on a branch in Git
What is the best way to get a log of commits on a branch since the time it was branched from the current branch? My solution so far is:
...