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redirect COPY of stdout to log file from within bash script itself
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I made some little "sourceable" scripts based on this. Can use them in a script like . log or . log foo.log: sam.nipl.net/sh/log sam.nipl.net/sh/log-a
– Sam Watkins
Jul 16 '15 at 3:22
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Add a space (“ ”) after an element using :after
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Which are more performant, CTE or temporary tables?
...Notice in the plan above there is no mention of CTE1. It just accesses the base tables directly and is treated the same as
SELECT A,
ABS(B) AS Abs_B,
F
FROM T
WHERE A = 780
Rewriting by materializing the CTE into an intermediate temporary table here would be massively counter pr...
How does one output bold text in Bash?
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How to determine the content size of a UIWebView?
...ds rectangle. Subclasses can override this method to return a custom value based on the desired layout of any subviews. For example, a UISwitch object returns a fixed size value that represents the standard size of a switch view, and a UIImageView object returns the size of the image it is currently...
Constant Amortized Time
...count of money
5th room size = fits 32 count of money
6th room size = fits 64 count of money
7th room size = fits 128 count of money
8th room size = fits 256 count of money
9th room size = fits 512 count of money
10th room size= fits 1024 count of money
11th room size= fits 2,048 count of money
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Is 'switch' faster than 'if'?
...r [rsp+30h],4
13FE81C6F je testSwitch+0AFh (13FE81CAFh)
A jump table based solution does not use comparison at all.
Either not enough branches to cause the compiler to generate a jump table, or your compiler simply doesn't generate them. I'm not sure which.
EDIT 2014: There has been some dis...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... issue in practice. Portability is questionable.
I wrote a hybrid function based on this snippet that uses clock_gettime when compiled on Linux, or a Mach timer when compiled on OS X, in order to get ns precision on both Linux and OS X.
All of the above exist in both Linux and OS X except where ot...
Force HTML5 youtube video
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How do I increase the RAM and set up host-only networking in Vagrant?
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