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How are everyday machines programmed?
... (not so much computers and mobile devices as appliances, digital watches, etc) programmed? What kind of code goes into the programming of a Coca-Cola vending machine? How does my coffee maker accept a pre-programmed time and begin brewing a pot of coffee hours later, when that time arrives?
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What is hashCode used for? Is it unique?
...r Cruel's entire being: his looks, hair colour, personality, eating habits etc must (ideally) be reflected in his fingerprint, such that if he has a brother (who is very similar but not the same) - then both should have different finger prints. I say "should" because we cannot guarantee 100% that tw...
Git commits are duplicated in the same branch after doing a rebase
...ommits performed on the child branch.
The solution: in Git configuration file, configure pull to work in rebase mode:
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[pull]
rebase = preserve
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Hope it can help
JN Grx
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What exactly are iterator, iterable, and iteration?
...is:
anything that can be looped over (i.e. you can loop over a string or file) or
anything that can appear on the right-side of a for-loop: for x in iterable: ... or
anything you can call with iter() that will return an ITERATOR: iter(obj) or
an object that defines __iter__ that returns a fresh...
Dealing with “java.lang.OutOfMemoryError: PermGen space” error
... - thanks - I am doing this on Ubuntu 10.10 with Tomcat6 - I created a new file: /usr/share/tomcat6/bin/setenv.sh and added the following line to that: JAVA_OPTS="-Xms256m -Xmx512m -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled" - Restarted tomcat using: sudo /etc/init.d/tomcat6 start
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PHP: How to handle
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The LIBXML_NOCDATA is optional third parameter of simplexml_load_file() function. This returns the XML object with all the CDATA data converted into strings.
$xml = simplexml_load_file($this->filename, 'SimpleXMLElement', LIBXML_NOCDATA);
echo "<pre>";
print_r($xml);
echo "</...
node.js shell command execution
...ntinue as if nothing has happened !
Usage instructions are in the ReadMe file. Feel free to make pull requests or submit issues!
I thought it was worth to mention it.
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...c to your Raspberry inside your local network, do this: On your Mac, edit /etc/hosts. Assuming the Raspberry has hostname "berry" and ip "172.16.0.100", add one line:
# ip hostname
172.16.0.100 berry
Now: ssh user@berry should work.
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pip install mysql-python fails with EnvironmentError: mysql_config not found
...e path, but I think you're better off adding it permanently (ie add it to /etc/paths) if you plan to install MySQL-python in another environment.
(tested in OSX Mountain Lion)
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Java equivalent to #region in C#
...cause he's too lazy to press a key (that woulld expand all sections in the file), the feature must not be used - it's a super wonderful feature. Right now I'm using it to one by one hide the methods I've verified are thread safe in the class I'm working one, it really helps to keep organized.Sure on...