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Generating random strings with T-SQL
...should differ by first character, but it does not because of an off-by-one error: SUBSTRING(..., 0, ...) returns empty string for index 0, and for 529126 this 'hides' the first character generated. Fix is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based.
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WARNING: Can't verify CSRF token authenticity rails
I am sending data from view to controller with AJAXand I got this error:
17 Answers
17...
C/C++ check if one bit is set in, i.e. int variable
... a std::bitset if it's C++. Simple. Straight-forward. No chance for stupid errors.
typedef std::bitset<sizeof(int)> IntBits;
bool is_set = IntBits(value).test(position);
or how about this silliness
template<unsigned int Exp>
struct pow_2 {
static const unsigned int value = 2 * po...
Bash command to sum a column of numbers [duplicate]
...0s
user 2m26.230s
sys 0m0.660s
bash-2.03$ time perl -nle'
$s += $_; END { print $s }
' infile
1.249999925e+15
real 1m34.663s
user 1m33.710s
sys 0m0.650s
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Get all unique values in a JavaScript array (remove duplicates)
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let unique_values = [...new Set(random_array)]; developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Lukas Liesis
Nov 19 '16 at 15:07
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Getting LaTeX into R Plots
...t interferes with the ggplot ~ # tikzDecice combo
colnames(AR) <- c("$V_{BB}[V]$", "$V_{RB}[V]$" , "$V_{RC}[V]$" , "$I_B[\\mu A]$" , "IC" , "$V_{BE}[V]$" , "$V_{CE}[V]$" , "beta" , "$I_E[mA]$")
# make sure the working directory is where you want your tikz file to go
setwd("~/TexImageFolder/")
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Search for all files in project containing the text 'querystring' in Eclipse
... keyboard accelerator configuration.
More details: http://www.ehow.com/how_4742705_file-eclipse.html and http://www.avajava.com/tutorials/lessons/how-do-i-do-a-find-and-replace-in-multiple-files-in-eclipse.html
(source: avajava.com)
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
...t's CTRL + M + O - letter O, not number 0. The cleanup-edit introduced the error into the answer.
– goodeye
Jul 4 '16 at 1:52
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How do I list one filename per output line in Linux?
... -1 ftw.
– crantok
May 21 '13 at 21:05
4
ls defaults to -1 behavior when the output isn't connect...
How to convert a string to lower case in Bash?
...sn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematch;. Unsetting that nocasematch causes [[ "fooBaR" == "FOObar" ]] to match OK BUT inside case weirdly [b-z] are incorrectly matched by [A-Z]. Bash i...