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Python loop counter in a for loop [duplicate]
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List of lists into numpy array
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edited Jul 4 '19 at 1:32
BeforeFlight
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techniques for obscuring sensitive strings in C++
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How to convert a string to lower case in Bash?
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You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# this also works:
$ sed -e 's/\(.*\)/\L\1/' <<< "$a"
hi all
Perl
$ echo "$a" | perl -ne 'print lc'
hi all
Bash
lc(){
case "$1...
Convert pandas dataframe to NumPy array
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To convert a pandas dataframe (df) to a numpy ndarray, use this code:
df.values
array([[nan,...
Specifying column name in a “references” migration
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edited Dec 4 '12 at 1:35
Tom Harrison
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How can I pad a value with leading zeros?
...pt 3.1. Example:
var n=-0.1;
n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2,useGrouping:false})
...will output "-0000.10".
// or
const padded = (.1+"").padStart(6,"0");
`-${padded}`
...will output "-0000.1".
A simple function is all you need
function zeroFil...
Count number of records returned by group by
... TotalRecords
from temptable
group by column_1, column_2, column_3, column_4
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Attempt by security transparent method 'WebMatrix.WebData.PreApplicationStartCode.Start()'
Update: same for mvc 4 to mvc 5.
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