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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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Android - Setting a Timeout for an AsyncTask?
I have an AsyncTask class that I execute that downloads a big list of data from a website.
7 Answers
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Easiest way to flip a boolean value?
I just want to flip a boolean based on what it already is. If it's true - make it false. If it's false - make it true.
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What does the keyword Set actually do in VBA?
Hopefully an easy question, but I'd quite like a technical answer to this!
7 Answers
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PHP - Move a file into a different folder on the server
I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:)
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How to check for an undefined or null variable in JavaScript?
We are frequently using the following code pattern in our JavaScript code
24 Answers
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
I'm seeing this in some code, and I have no idea what it does:
4 Answers
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How do I run a Java program from the command line on Windows?
I'm trying to execute a Java program from the command line in Windows. Here is my code:
12 Answers
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Make Font Awesome icons in a circle?
I am using font awesome on some project but I have some things that I want to do with font awesome icons, I can easily call an icon like this:
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how to use javascript Object.defineProperty
I looked around for how to use the Object.defineProperty method, but couldn't find anything decent.
10 Answers
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