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What is the difference between varchar and varchar2 in Oracle?
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Currently, they are the same. but previously
Somewhere on the net, I read that,
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will. ...
How to save and load cookies using Python + Selenium WebDriver
...enium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.google.com")
pickle.dump( driver.get_cookies() , open("cookies.pkl","wb"))
and later to add them back:
import pickle
import selenium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.google.com")...
AJAX POST and Plus Sign ( + ) — How to Encode?
...o resolve it. I'm doing the AJAX POST with "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8", and I'm using PHP5 on the server side.
– jalperin
Sep 3 '09 at 18:35
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Regex to validate date format dd/mm/yyyy
...1-9]|1[012])[- /.](19|20)\d\d$
you can test regular expression at http://www.regular-expressions.info/javascriptexample.html easily.
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How do I set GIT_SSL_NO_VERIFY for specific repos only?
...tually on that server git is trying to access .gitconfig somewhere in /var/www/...
– antongorodezkiy
Jul 30 '15 at 19:36
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What is the recommended approach towards multi-tenant databases in MongoDB?
...ere are no performance tradeoffs
using lots of collections. See
http://www.mongodb.org/display/DOCS/Using+a+Large+Number+of+Collections
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How can I prevent SQL injection in PHP?
...e are a lot of systems under PHP 5.5.0 and that may use this function. php.net/manual/en/function.mysql-query.php
– Randall Valenciano
Jan 19 '16 at 17:40
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What is SQL injection? [duplicate]
...comment causing the database server to ignore the rest of the string. The net result is the user can now log in as the administrator without having to know the password. SQL Inection can also be used to execute UPDATE, DELETE or DROP queries and really damage the database.
SQL Injection can be pr...
Should URL be case sensitive?
...erefore should be normalized to lowercase. For example, the URI HTTP://www.EXAMPLE.com/ is equivalent to http://www.example.com/. The other generic syntax components are assumed to be case-sensitive unless specifically defined otherwise by the scheme."
– Daniel W....
What's a monitor in Java?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...