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How to select a radio button by default? [duplicate]
I have some radio buttons and I want one of them to be set as selected by default when the page is loaded. How can I do that?
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...t are all the valid self-closing elements (e.g. ) in XHTML (as implemented by the major browsers)?
13 Answers
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How to determine the version of the C++ standard used by the compiler?
How do you determine what version of the C++ standard is implemented by your compiler? As far as I know, below are the standards I've known:
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
...d other internal commands for different languages.
taken from this answer by Alan Shutko.
Solution for: Ubuntu / Linux Mint
sudo apt-get update
sudo apt-get install --reinstall build-essential
Solution for: Docker-alpine environment
If you are in docker-alpine environment install the build-base pa...
How can I increment a date by one day in Java?
...ys using DATE, DAY_OF_MONTH or even DAY_OF_YEAR - they all are incremented by modulus. So considering Calendar of 31-12-1970, add(DAY_OF_YEAR, 1) or roll(), however roll() finally calls add(), will give 01-01-1970. I guess the only correct way is to set time with milliseconds. As for me, I'm nev...
What exception classes are in the standard C++ library
... exception was thrown
std::bad_function_call <functional> thrown by "null" std::function
std::bad_typeid <typeinfo> using typeinfo on a null pointer
std::bad_weak_ptr <memory> constructing a shared_ptr from a bad weak_ptr
std::logic_error <stdexcept> errors de...
Cannot ping AWS EC2 instance
... It's easy to mistake "Echo Reply" for "Echo Request", I got confused by this for a moment.
– Andy
Jul 10 '18 at 15:23
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How to “git clone” including submodules?
...red Dec 14 '10 at 10:43
Mathias BynensMathias Bynens
124k4848 gold badges203203 silver badges238238 bronze badges
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Stop caching for PHP 5.5.3 in MAMP
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Disable OPCache
MAMP now turns on OPCache by default, you can disable it by editing your php.ini file. Make sure you edit the correct php.ini.
I was running into the same problem myself. MAMP with PHP version 5.5.3 runs OPcache by default, but you can't turn it off ...
How do I keep jQuery UI Accordion collapsed by default?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...