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bash assign default value
...xplicitly set WITH_PERL to a value other than "no" to have it built in.
$ cat defvar.sh
#!/bin/bash
WITH_PERL=${WITH_PERL:-no}
if [[ "$WITH_PERL" != no ]]; then
echo "building with perl"
# ./configure --enable=perl
else
echo "not building with perl"
# ./configure
fi
Build withou...
How to print Unicode character in Python?
....getwriter('utf8')
sys.stdout = UTF8Writer(sys.stdout)
print(u'e with obfuscation: é')
Run it and pipe output to file:
python foo.py > tmp.txt
Open tmp.txt and look inside, you see this:
el@apollo:~$ cat tmp.txt
e with obfuscation: é
Thus you have saved unicode e with a obfuscation mar...
Android: Create spinner programmatically from array
...spinner
Spinner spinner = (Spinner) findViewById(R.id.myspinner);
// Application of the Array to the Spinner
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, colors);
spinnerArrayAdapter.setDropDownViewResource(android.R.l...
How to exclude file only from root folder in Git
...everal config.php files in source tree and I need to exclude only one, located in the root while other keep under revision control.
...
Query grants for a table in postgres
...mmand-line interface to PostgreSQL.
– Mike Sherrill 'Cat Recall'
Nov 20 '17 at 20:20
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Difference between return and exit in Bash functions
...return has nothing to do with exit codes. Exit codes are intended for applications/scripts, not functions. So in this regard, the only keyword that sets the exit code of the script (the one that can be caught by the calling program using the $? shell variable) is exit.
EDIT 2:
My last statement re...
How can I view all historical changes to a file in SVN
...ext
echo
read r
svn log -r$r $url@HEAD
svn cat -r$r $url@HEAD
echo
# remaining revisions as differences to previous revision
while read r
do
echo
svn log -r$r $url@HEAD
svn diff -c$r $url@HEAD
...
How can I check if a key is pressed during the click event with jQuery?
I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I can fork within the callback function based on the keypress event.
...
How to find current transaction level?
... SET
ansi_padding SET
ansi_nulls SET
concat_null_yields_null SET
isolation level read committed
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VIM Disable Automatic Newline At End Of File
...al filter.noeol.clean noeol_filter
git config --global filter.noeol.smudge cat
To start using the filter only for yourself, put the following line in your $GIT_DIR/info/attributes:
*.php filter=noeol
This will make sure you do not commit any newline at eof in a .php file, no matter what Vim doe...