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What are the differences between NP, NP-Complete and NP-Hard?
... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions.
Decision problem: A problem with a yes or no answer.
Now, let us define those complexity classes.
P
P is a complexity class that repres...
How to get share counts using graph API
I can get the share count of an URL using PHP SDK and using the deprecated rest API, but didn't find a way to get the share counts of an URL using graph API.
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Calling parent class __init__ with multiple inheritance, what's the right way?
...ing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
How to run travis-ci locally
... order to run the build. With jenkins you can download jenkins and run locally. Does travis offer something like this?
9 ...
Git add and commit in one command
...t add app
git commit -m "message"
is an easy way to add all files to the index from a single dir, in this case the app dir.
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In Windows Azure: What are web role, worker role and VM role?
... to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
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Java maximum memory on Windows XP
... for the heap is that we have a
bunch of side data structures that are
indexed by (scaled) offsets from the
start of the heap. For example, we
track object reference updates with a
"card mark array" that has one byte
for each 512 bytes of heap. When we
store a reference in the heap we ...
Nginx Different Domains on Same IP
... to try serving a text file from each server first before actually serving php. That's why I left the 'root' directive in there.
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How to increase code font size in IntelliJ?
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On a Mac you can also pinch-zoom, i.e. move your thumb and index finger together or apart.
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git diff between cloned and original remote repository
...t diff mybranch
diff --git a/playground/foo/bar.py b/playground/foo/bar.py
index b4fb1be..516323b 100655
--- a/playground/foo/bar.py
+++ b/playground/foo/bar.py
@@ -1,27 +1,29 @@
- This line is wrong
+ This line is fixed now - yea!
+ And I added this line too.
Commit locally.
$ git commit foo/bar...