In the following program, if I set the variable $foo to the value 1 inside the first if statement, it works in the sense that its value is remembered after the if statement. However, when I set the same variable to the value 2 inside an if which is inside a while statement, it's forgotten af...

I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...

What's the best way to validate that an IP entered by the user is valid? It comes in as a string. 11 Answers ...

How to set the current working directory in Python? 5 Answers 5 ...

... This does not work for me in the most recent Selenium version. – Learning stats by example Sep 29 '14 at 0:51 3 ...

I have a folder with my project sources. How I can push this project into Github's repository? 18 Answers ...

I want to calculate dp from px programmatically. How to do it? I get resolution from: 4 Answers ...

...ters , how are these implemented in a program and what are the benefits of using RAII with smart pointers? 6 Answers ...

Is there a way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device. ...

... Simply use: select s.name "Student", c.name "Course" from student s, bridge b, course c where b.sid = s.sid and b.cid = c.cid share | ...