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What is the meaning of erb?
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erb stands for "Embedded RuBy". A .html.erb or .erb.html file is HTML with Ruby code embedded in; Rails will evaluate the Ruby to add content to the file dynamically, and will output a "pure" HTML file for rendering.
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Unignore subdirectories of ignored directories in Git
Let's say I have ignored a directory, but I want to unignore specific subdirectories therein. So I have the setup:
5 Answer...
How can I convert a string to upper- or lower-case with XSLT?
How do you do case conversion in XSL?
6 Answers
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How does one output bold text in Bash?
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The most compatible way of doing this is using tput to discover the right sequences to send to the terminal:
bold=$(tput bold)
normal=$(tput sgr0)
then you can use the variables $bold and $normal to format things:
echo "this is ${bold}bold${normal} but this isn'...
Android layout replacing a view with another view on run time
I have a xml -layout file main with two textviews A/B and a view C.
I have two other xml -layout files option1 and option2 .
Is it possible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
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++someVariable vs. someVariable++ in JavaScript
In JavaScript you can use ++ operator before ( pre-increment ) or after the variable name ( post-increment ). What, if any, are the differences between these ways of incrementing a variable?
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How to rotate the background image in the container?
I want to rotate the image which is placed in the button of scrollbar in Chrome. Now I have a CSS with this content:
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Android - custom UI with custom attributes
I know it is possible to create custom UI element (by way of View or specific UI element extension). But is it possible to define new properties or attributes to newly created UI elements (I mean not inherited, but brand new to define some specific behavior I am not able to handle with default prope...
remove all variables except functions
...ave loaded in a R console different type of objects.
I can remove them all using
5 Answers
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e.printStackTrace equivalent in python
I know that print(e) (where e is an Exception) prints the occurred exception
but, I was trying to find the python equivalent of Java's e.printStackTrace() that exactly traces the exception to what line it occurred and prints the entire trace of it.
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