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Ternary operator (?:) in Bash
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ternary operator ? : is just short form of if/else
case "$b" in
5) a=$c ;;
*) a=$d ;;
esac
Or
[[ $b = 5 ]] && a="$c" || a="$d"
share
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Get table column names in MySQL?
Is there a way to grab the columns name of a table in mysql?
using php
19 Answers
19
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How to install PostgreSQL's pg gem on Ubuntu?
I'm trying to install PostgreSQL's pg gem for Ruby.
19 Answers
19
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Bootstrap select dropdown list placeholder
I am trying to make a dropdown list that contains a placeholder. It doesn't seem to support placeholder="stuff" as other forms do. Is there a different way to obtain a placeholder in my dropdown?
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How do I redirect with JavaScript? [duplicate]
How do you redirect to a page from another page with JavaScript?
6 Answers
6
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Choosing between qplot() and ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?"
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How can I grep for a string that begins with a dash/hyphen?
I want to grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument.
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How to find if div with specific id exists in jQuery?
I’ve got a function that appends a <div> to an element on click. The function gets the text of the clicked element and assigns it to a variable called name . That variable is then used as the <div> id of the appended element.
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WPF: How to programmatically remove focus from a TextBox
I want to add a simple (at least I thought it was) behaviour to my WPF TextBox .
9 Answers
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Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]
I'm using the Twitter Bootstrap modal as a wizard window, and would like to prevent the user from closing it when clicking outside of the modal or when pressing escape. Instead, I want it to be closed when the user presses the finish button. How could I achieve this scenario?
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