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Reliable way for a Bash script to get the full path to itself [duplicate]
I have a Bash script that needs to know its full path. I'm trying to find a broadly-compatible way of doing that without ending up with relative or funky-looking paths. I only need to support Bash, not sh, csh, etc.
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Selecting only numeric columns from a data frame
Suppose, you have a data.frame like this:
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Difference between SRC and HREF
The SRC and HREF attributes are used to include some external entities like an image, a CSS file, a HTML file, any other web page or a JavaScript file.
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Remove all special characters except space from a string using JavaScript
I want to remove all special characters except space from a string using JavaScript.
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Restful API service
I'm looking to make a service which I can use to make calls to a web-based REST API.
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Count occurrences of a char in plain text file
Is there any way under linux/terminal to count, how many times the char f occurs in a plain text file?
5 Answers
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Get the correct week number of a given date
I have Googled a lot and found a lot of solutions, but none of them give me the correct week number for the 2012-12-31. Even the example on MSDN ( link ) fails.
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What's is the difference between include and extend in use case diagram?
What is the difference between include and extend in a use case diagram ?
19 Answers
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How to repeat a “block” in a django template
I want to use the same {% block %} twice in the same django template. I want this block to appear more than once in my base template:
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How does push notification technology work on Android?
How has Google implemented their push notification feature? Does it work through polling done by a service running in the background or in a different way?
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