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How to HTML encode/escape a string? Is there a built-in?

... want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better. ...
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CSS Div stretch 100% page height

I have a navigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this. ...
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How to convert String object to Boolean Object?

...: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE. boolean: no instance is needed, you use the primitive type. The official documentation is in the Javadoc. UPDATED: Auto...
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How to read/process command line arguments?

I am originally a C programmer. I have seen numerous tricks and "hacks" to read many different arguments. 17 Answers ...
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How can I catch a ctrl-c event?

...;stdlib.h> #include <stdio.h> #include <unistd.h> void my_handler(int s){ printf("Caught signal %d\n",s); exit(1); } int main(int argc,char** argv) { struct sigaction sigIntHandler; sigIntHandler.sa_handler = my_handler; sigemptyset(&sigIntHand...
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How to manage local vs production settings in Django?

What is the recommended way of handling settings for local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is...
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Text blinking jQuery

What is an easy way to make text blinking in jQuery and a way to stop it? Must work for IE, FF and Chrome. Thanks 35 Answer...
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Attach to a processes output for viewing

... There are a few options here. One is to redirect the output of the command to a file, and then use 'tail' to view new lines that are added to that file in real time. Another option is to launch your program inside of 'screen', which is a sort-of text-based Terminal application. Screen sessions...
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Differences between Exception and Error

I'm trying to learn more about basic Java and the different types of Throwables, can someone let me know the differences between Exceptions and Errors? ...
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“unmappable character for encoding” warning in Java

... Absolutely. (This is better handled in C#, where unicode escaping is only applied in certain contexts - but then there's the dangerous \x escape sequence as well, which is awful.) – Jon Skeet Jan 21 '09 at 11:38 ...