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How can I update NodeJS and NPM to the next versions?
...it by installing n:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
It will install the current stable version of node.
EDIT: Please don't use n anymore. I recommend using nvm. You can simply install stable by following the commands below:
nvm ls-remote
nvm install <version>...
Flexbox: center horizontally and vertically
...ms are stacked vertically:
#container {
display: flex; /* establish flex container */
flex-direction: column; /* make main axis vertical */
justify-content: center; /* center items vertically, in this case */
align-items: center; /* center items horizontally, in this ...
How to perform a mysqldump without a password prompt?
...y user, and in no case the root user. It can be done like this: GRANT LOCK TABLES, SELECT ON *.* TO 'BACKUPUSER'@'%' IDENTIFIED BY 'PASSWORD';
– gadjou
Feb 21 '17 at 8:34
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Unique (non-repeating) random numbers in O(1)?
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Use a Maximal Linear Feedback Shift Register.
It's implementable in a few lines of C and at runtime does little more than a couple test/branches, a little addition and bit shifting. It's not random, but it fools most people.
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Is there XNOR (Logical biconditional) operator in C#?
I'm new to C# and could not find XNOR operator to provide this truth table:
4 Answers
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What is ASP.NET Identity's IUserSecurityStampStore interface?
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What if I am migrating data from MVC4 table structure? Can I just leave that field blank? Or is it going to screw things up somehow?
– Dmytro Shevchenko
Oct 29 '13 at 22:39
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Aligning a float:left div to center?
...blocks, the layout may not be correctly centered anymore. Flexbox is more stable than float left.
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Hibernate, @SequenceGenerator and allocationSize
...h the larger gap.
So, when we use the SEQUENCE ID, the inserted id in the table will not match with the SEQUENCE number in DB.
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Conceptually, how does replay work in a game?
... shouldn't be done. I don't care if he uses the system API or a predefined table of random numbers. What I originally said was correct. Every function in his engine should produce the same result based on its inputs. Time should never be a factor.
– Timothy Baldridge
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How to maintain a Unique List in Java?
...mathematical set abstraction.
Note: Great care must be exercised if mutable objects are used as set elements. The behavior of a set is not specified if the value of an object is changed in a manner that affects equals comparisons while the object is an element in the set. A special case of this...