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Count(*) vs Count(1) - SQL Server
... for "Scalar expressions 125")
Case:
a) If COUNT(*) is specified, then the result is the cardinality of T.
That is, the ANSI standard recognizes it as bleeding obvious what you mean. COUNT(1) has been optimized out by RDBMS vendors because of this superstition. Otherwise it would be evalu...
GCC compile error with >2 GB of code
...t" (multiply n numbers m times and add the results - or something similar) then I think you can do this:
change the generator program to output offsets instead of strings (i.e. instead of the string "s.ds0" it will produce offsetof(ProcessVars, ds0)
create an array of such offsets
write an evalua...
Why does (0 < 5 < 3) return true?
...your code. Clearly write out what you actually want to have happen rather then relying on side effects like the implicit conversion of booleans.
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MySQL and GROUP_CONCAT() maximum length
...ampp my.ini configuration file:
[mysqld]
group_concat_max_len = 1000000
Then restart xampp mysql
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How to measure time taken by a function to execute
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This is a better way then console.time().
– Sanjeev
Jan 25 '15 at 12:15
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Remove padding or margins from Google Charts
...e of 20 pixels, but 0 - 10 mil would need 100 pixels, and using 100 pixels then would leave a fairly large margin which is what I think all of us are trying to get rid of :) Unless there is an option that allows the chart to adjust its own width that I am missing. Any thoughts on how one might be ab...
Bash script plugin for Eclipse? [closed]
...ite within your eclipse (e. g. http://download.eclipse.org/releases/neon/) Then look for Programming languages and Dynamic Languages Toolkit - ShellEd.
– Torsten
Aug 5 '16 at 16:06
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What does “Memory allocated at compile time” really mean?
...nt to "reserve memory from 0xABC till 0xXYZ for variable array[] etc." and then the loader uses that to really allocate it just before it runs the program ?
– Talha Sayed
Jan 25 '14 at 12:41
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Formula to determine brightness of RGB color
...ne must first apply the inverse of the gamma function for the color space. Then after applying the linear function, the gamma function is applied.
– Jive Dadson
Nov 26 '12 at 3:43
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How can I parse a YAML file from a Linux shell script?
...: $global_debug
Another nice usage is to first parse a defaults file and then the user settings, which works since the latter settings overrides the first ones:
eval $(parse_yaml defaults.yml)
eval $(parse_yaml project.yml)
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