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PostgreSQL function for last inserted ID
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How can I use RETURNING id within an SQL script fed to the psql command line tool?
– amoe
Aug 4 '16 at 16:52
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What is the difference between integration testing and functional testing? [closed]
...written against a single class, integration tests to be nunit tests or sql script tests that required more than class, or a database, or another system (usually requiring a full install) and functional tests are the test that QA runs or automated UI testing.
– aceinthehole
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How to copy yanked text to VI command prompt
...ile path, the line feed will by pasted as well ... i.e.
:! touch src/bash/script.sh^M
WILL create a "funny file path" containing the "\r" if you do not remove the last ^M ...
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improve this ...
Difference between \n and \r?
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To complete,
In a shell (bash) script, you can use \r to send cursor, in front on line and, of course \n to put cursor on a new line.
For example, try :
echo -en "AA--AA" ; echo -en "BB" ; echo -en "\rBB"
The first "echo" display AA--AA
The second : A...
How to import a .cer certificate into a java keystore?
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Here's a script I used to batch import a bunch of crt files in the current directory into the java keystore. Just save this to the same folder as your certificate, and run it like so:
./import_all_certs.sh
import_all_certs.sh
KEYS...
How to write to a JSON file in the correct format
...lled the Ubuntu package ruby-json:
apt-get install ruby-json
I wrote the script in ${HOME}/rubybin/jsonDEMO
$HOME/.bashrc included:
${HOME}/rubybin:${PATH}
(On this occasion I also typed the above on the bash command line.)
Then it worked when I entered on the command line:
jsonDemo
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How to wait for 2 seconds?
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Try this example:
exec DBMS_LOCK.sleep(5);
This is the whole script:
SELECT TO_CHAR (SYSDATE, 'MM-DD-YYYY HH24:MI:SS') "Start Date / Time" FROM DUAL;
exec DBMS_LOCK.sleep(5);
SELECT TO_CHAR (SYSDATE, 'MM-DD-YYYY HH24:MI:SS') "End Date / Time" FROM DUAL;
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Using generic std::function objects with member functions in one class
...he class instance. If you are creating a binding system for reflection or scripting, you will not want to do that. This alternative method is valid and relevant for some people.
– Greg
Nov 3 '16 at 23:06
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Utilizing multi core for tar+gzip/bzip compression/decompression
...n and vice versa.
p7zip
For p7zip for compression you need a small shell script like the following:
#!/bin/sh
case $1 in
-d) 7za -txz -si -so e;;
*) 7za -txz -si -so a .;;
esac 2>/dev/null
Save it as 7zhelper.sh. Here the example of usage:
$ tar -I 7zhelper.sh -cf OUTPUT_FILE.tar.7z pa...
How can I count the occurrences of a list item?
...at Counter is faster by a constant factor of approximately 2.
Here is the script I used:
from __future__ import print_function
import timeit
t1=timeit.Timer('Counter(l)', \
'import random;import string;from collections import Counter;n=1000;l=[random.choice(string.ascii_letters) f...