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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...
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 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...
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...
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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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...
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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When to use: Java 8+ interface default method, vs. abstract method
...venience methods, thus constraining the implementor to single inheritance, now you can have a really clean design with just the interface and a minimum of implementation effort forced on the programmer.
The original motivation to introduce default methods to Java 8 was the desire to extend the Coll...
Data access object (DAO) in Java
...he DAO once we get what we want from the database. Am i right?? and may i know the Scope of this DAO concept rami??
– Vasanth Nag K V
Oct 4 '13 at 6:12
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Can Vim highlight matching HTML tags like Notepad++?
...n vim.org.
You can get it here on github.
Hope it works for you. Let me know if you have any problems.
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