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How to perform a mysqldump without a password prompt?
... the config file via --defaults-file. Like ` mysqldump --defaults-file=my_other.cnf --print-defaults`
– dennis
Jul 23 '13 at 12:46
...
Multiline bash commands in makefile
...set -e ;\
msg="header:" ;\
for i in $$(seq 1 3) ; do msg="$$msg pre_$${i}_post" ; done ;\
msg="$$msg :footer" ;\
echo msg=$$msg ;\
}
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...
Order discrete x scale by frequency/value
...library(ggplot2)
# Automatic levels
ggplot(mtcars, aes(factor(cyl))) + geom_bar()
# Manual levels
cyl_table <- table(mtcars$cyl)
cyl_levels <- names(cyl_table)[order(cyl_table)]
mtcars$cyl2 <- factor(mtcars$cyl, levels = cyl_levels)
# Just to be clear, the above line is no different...
How to compare 2 files fast using .NET?
...re the resulting numbers.
Here's what I came up with:
const int BYTES_TO_READ = sizeof(Int64);
static bool FilesAreEqual(FileInfo first, FileInfo second)
{
if (first.Length != second.Length)
return false;
if (string.Equals(first.FullName, second.FullName, ...
Argparse: Way to include default values in '--help'?
...parser = argparse.ArgumentParser(
# ... other options ...
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
To quote the documentation:
The other formatter class available, ArgumentDefaultsHelpFormatter, will add information about the default value of each of the arguments.
Not...
How to write to an existing excel file without overwriting data (using pandas)?
...omething like this might work out:
import pandas
from openpyxl import load_workbook
book = load_workbook('Masterfile.xlsx')
writer = pandas.ExcelWriter('Masterfile.xlsx', engine='openpyxl')
writer.book = book
## ExcelWriter for some reason uses writer.sheets to access the sheet.
## If you leave ...
How to loop over files in directory and change path and add suffix to filename
...; do
./MyProgram.exe "$filename" "Logs/$(basename "$filename" .txt)_Log$i.txt"
done
done
Notes:
/Data/*.txt expands to the paths of the text files in /Data (including the /Data/ part)
$( ... ) runs a shell command and inserts its output at that point in the command line
basename some...
How to write LDAP query to test if user is member of a group?
...nswered Jun 23 '09 at 12:59
marc_smarc_s
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...
How to check if command line tools is installed
...o $?
10.9 Mavericks Update:
Use pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
10.8 Update:
Option 1: Rob Napier suggested to use pkgutil --pkg-info=com.apple.pkg.DeveloperToolsCLI, which is probably cleaner.
Option 2: Check inside /var/db/receipts/com.apple.pkg.DeveloperToolsCLI.plist f...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...cations that use shell scripts to configure their environment use the JAVA_HOME environment variable to start the correct version of Java, locate JRE JARs, and so on.
...