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Strip html from string Ruby on Rails

.... Loofah Gem unsafe_html = "ohai! <div>div is safe</div> <script>but script is not</script>" doc = Loofah.fragment(unsafe_html).scrub!(:strip) doc.to_s # => "ohai! <div>div is safe</div> " doc.text # => "ohai! div is safe " ...
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Exporting functions from a DLL with dllexport

... extern "C" seemed to remove the c++ style name mangling. The whole import vs. export thing (which i tried to suggest not including in the question) isn't really what I'm asking about (but its good info). I figured it would cloud the problem. – Aardvark Feb 11 ...
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What is a domain specific language? Anybody using it? And in what way?

... Groovy is a scripting language that runs in a JVM. It's basically intended to be a Java answer to Ruby. It's a general purpose language but it can be used to write DSLs. docs.groovy-lang.org/docs/latest/html/documentation/… ...
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Easiest way to check for an index or a key in an array?

...r this SO question: How to tell if a string is not defined in a bash shell script? A wrapper function: exists(){ if [ "$2" != in ]; then echo "Incorrect usage." echo "Correct usage: exists {key} in {array}" return fi eval '[ ${'$3'[$1]+muahaha} ]' } For example if ! ex...
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How to write to a file, using the logging Python module?

... @notihs, the server doesn't run the script file directly so the section below if __name__ == '__main__': doesn't get executed. – Rami Alloush Jan 16 at 18:23 ...
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What is 'define' used for in JavaScript (aside from the obvious)?

... I can't say for sure without seeing the entire script, but it's likely to be the define function from RequireJS, in particular the "define with dependencies" form of that function. It is used to define a "module": A module is different from a traditional script file i...
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What does %~dp0 mean, and how does it work?

... The variable %0 in a batch script is set to the name of the executing batch file. The ~dp special syntax between the % and the 0 basically says to expand the variable %0 to show the drive letter and path, which gives you the current directory containi...
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How to extract a git subdirectory and make a submodule out of it?

...ct.git foo only makes foo a submodule starting from HEAD. In that respect, scripting filter-branch is superior as it permits to achieve "do as if if subdir was a submodule from the very beginning" – Gregory Pakosz Dec 23 '12 at 19:43 ...
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Bootstrap 3 Collapse show state with Chevron icon

Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse , I have been able to show the state of collapse using chevron icons. ...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

... or batch file. You must add the Java executables directory to PATH. JDK vs. JRE (If you already understand this, feel free to skip this section.) When downloading Java, you are offered a choice between: The Java Runtime Environment (JRE), which includes the necessary tools to run Java program...