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What is Double Brace initialization in Java?
... }});
}};
return source;
}
}
The returned Map will now contain a reference to the enclosing instance of ReallyHeavyObject. You probably don't want to risk that:
Image from http://blog.jooq.org/2014/12/08/dont-be-clever-the-double-curly-braces-anti-pattern/
3. You can pret...
Git fetch remote branch
...ess for me, it created a local branch named origin/<branch> which is now ambiguous to the remote branch origin/<branch> and I don't know how to get rid of the crazy local branch!
– Alan Moore
Jul 9 '15 at 17:00
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What's the best practice to round a float to 2 decimals? [duplicate]
...that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public stati...
Difference between Hashing a Password and Encrypting it
...erse operation (generation of password from converted-word) is impossible. Now even if someone gets access to the database, there is no way that the passwords be reproduced or extracted using the converted-words. In this approach, there will be hardly anyway that some could know your users' top secr...
python plot normal distribution
...
To avoid deprecation warnings, now you should use scipy.stats.norm.pdf(x, mu, sigma) instead of mlab.normpdf(x, mu, sigma)
– Leonardo Gonzalez
Mar 10 '19 at 22:44
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What is the difference between JOIN and UNION?
...n one table to look up column values by using the primary key in another.
Now compare the above depiction with that of a union. In a union each row within the result is from one table OR the other. In a union, columns aren’t combined to create results, rows are combined.
Both joins and union...
Hide html horizontal but not vertical scrollbar
...s been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in ...
How to use z-index in svg elements?
...he document is rendered, ...
SVG 2 Support Mozilla - Painting
How do I know if my browser supports svg 2.0
Can I use SVG
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Tables instead of DIVs [duplicate]
...into my brain. The resulting code was even less semantic. Once you get to know HTML and all it offers, you learn to write meaningful code and it all becomes simple.
– nickf
Sep 16 '08 at 5:08
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How can I exclude directories from grep -R?
...gt;/dev/null \;
SOLUTION 2 (using the --exclude-dir option of grep):
You know this solution already, but I add it since it's the most recent and efficient solution. Note this is a less portable solution but more human-readable.
grep -R --exclude-dir=node_modules 'some pattern' /path/to/search
To e...