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How do I represent a hextile/hex grid in memory?
....append(self.edges[2*x+2][2*y+1+offset])
return hexEdges
# returns (start, end) tuple
def getVertexEnds(self, edge):
x = edge.X
y = edge.Y
vertexOne = self.vertices[(x-1)/2][y]
vertexTwo = self.vertices[(x+1)/2][y]
if x%2 == 0:
vertexOne = self.vertices[x/2][y]
...
how to install gcc on windows 7 machine?
...load mingw-get and simply issue:
mingw-get install gcc.
See the Getting Started page.
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Why can't strings be mutable in Java and .NET?
...ring object that shares myString's underlying char[] but who knows that it starts at index 0 and ends at index 5 of that char[]. To put this in graphical form, you would end up with the following:
| myString |
v v
"The quick b...
Cosmic Rays: what is the probability they will affect a program?
...ize parallel program for several days (without regular checkpointing and restarting from last good checkpoint in case of double error). The huge machines will also get bit-flips in their caches and cpu registers (both architectural and internal chip's triggers e.g. in ALU datapath), because not all ...
Unable to set data attribute using jQuery Data() API
...ata('property', value);
It was not setting the data-property attribute.
Started using jQuery's .attr():
Get the value of an attribute for the first element in the set of
matched elements or set one or more attributes for every matched
element.
.attr('property', value)
to set the value...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
... Didn't work for me--however, I don't have c_rehash in my path. I tried restarting my shell. I also had to mkdir -p /usr/ssl/certs. I'm wondering if my Cygwin install is different or missing something? Also, setting GIT_SSL_NO_VERIFY=true followed by running the clone operation resulted in this ...
pandas read_csv and filter columns with usecols
... use -- so its three columns in this example, not four (you drop dummy and start counting from then onwards)
b) same for parse_dates
c) not so for usecols ;) for obvious reasons
d) here I adapted the names to mirror this behaviour
import pandas as pd
from StringIO import StringIO
csv = """dummy...
What is the difference between user variables and system variables?
...its the environment variables of its parent process by default.
Programs started by the command processor inherit the command processor's environment variables.
Environment variables specify search paths for files, directories for temporary files, application-specific options, and other similar i...
Cannot serve WCF services in IIS on Windows 8
...you will also have to do the following after adding the Windows feature: - Start inetmgr - Open "Handler mappings" - Check if the svc-ISAPI mappings for extension *.svc are present. If not, use the "Revert To Parent" action to copy them from the parent website. Note that this assumes that custom han...
How to solve javax.net.ssl.SSLHandshakeException Error?
...the key to the JVM's trusted host and modifying the default trust store on start up..
I did this around two months back and dont have source code on me right now.. use google and you should be able to solve this problem. If you cant message me back and I can provide you the relevent source code fo...