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Statistics: combinations in Python
... @SeldomNeedy, the link to code.google.com is one right place (though the site is in archival mode now). Of course from there it's easy to find the github location, github.com/aleaxit/gmpy , and the PyPI one, pypi.python.org/pypi/gmpy2 , as it links to both!-)
– Alex Martelli
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How to add extension methods to Enums
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According to this site:
Extension methods provide a way to write methods for existing classes in a way other people on your team might actually discover and use. Given that enums are classes like any other it shouldn’t be too surprising tha...
How do I load my script into the node.js REPL?
... into the repl when they change do: replpad .
Check out the videos on the site to get a better idea of how it works and learn about some other nice features that it has like these:
access core module docs in the repl via the dox() function that is added to every core function, i.e. fs.readdir.dox...
“Invalid form control” only in Google Chrome
...bmit"/>
</form>
solution to this problem will depend on how the site should work
for example if you don't want the form to submit unless this field is required you should disable the submit button
so the js code to show the div should enable the submit button as well
you can hide the ...
Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
... hosting enviroment and if we had access to it we would see everyone elses site errors.
– PHPLOVER
Feb 26 '11 at 15:56
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Change multiple files
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I used this to replace two different lines in all my website config files with a one-liner below. sed -i.bak "s/supercache_proxy_config/proxy_includes\/supercache_config/g; s/basic_proxy_config/proxy_include\/basic_proxy_config/g" sites-available/* Don't forget to delete the...
Difference between null and empty (“”) Java String
... The link about intern has expired. You can reference to another site to read about it: weblogs.java.net/blog/enicholas/archive/2006/06/…
– Alston
Aug 1 '14 at 5:30
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'innerText' works in IE, but not in Firefox
...urora for a while. What this practically means is you can start developing sites using innerText only and expect it to work (with possible quirks) on all current browsers in the near future, and old-IE too.
– Bob
Feb 22 '16 at 22:32
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socket.io rooms or namespacing?
...e are different. For example, if you had a chat and comment system on your site and wanted both to be real time, you could namespace each. This allows you to build an entire Socket.IO application that lives only in its own context.
This would also be true if you were building something to be packag...
@Autowired and static method
...application is heavily parallelized (for eg: the backend of a high traffic site), this might not be a good solution for you.
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