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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
In the header of a Bash script, what's the difference between those two statements:
5 Answers
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Difference between document.addEventListener and window.addEventListener?
While using PhoneGap, it has some default JavaScript code that uses document.addEventListener , but I have my own code which uses window.addEventListener :
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CSS media queries: max-width OR max-height
When writing a CSS media query, is there any way you can specify multiple conditions with "OR" logic?
3 Answers
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How to use UIScrollView in Storyboard
I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
How to expand folded package chain in Intellij IDEA?
Intellij IDEA automatically chain packages together if the intermediate ones are otherwise empty. It is a nice feature in general. However, sometimes you don't want them to be chained, especially when you are in the middle of creating new package structures for your new project. I might have come ac...
PostgreSQL delete all content
Hello I want to delete all data in my postgresql tables, but not the table itself.
How could I do this?
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Outputting data from unit test in python
...nit tests in python (using the unittest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with more complex data...
Sticky and NON-Sticky sessions
I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet:
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setting multiple column using one update
How to set multiple columns of a table using update query in mysql?
2 Answers
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Looping over arrays, printing both index and value
I want to do something like this:
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