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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
... about this railscast by Ryan. It's very interesting and makes you want to start right away!
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How do I get an apk file from an Android device?
...rent dir. Please locate your iTwips.apk file first using "adb shell". This start a shell on your device and you can use the standard Unix commands like ls and cd to browse your directories.
– Maurits Rijk
Oct 27 '10 at 13:56
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How to merge remote master to local branch
...se git pull --rebase rather than git pull? Here's a simple example:
You start working on a new feature.
By the time you're ready to push your changes, several commits have been pushed by other developers.
If you git pull (which uses merge), your changes will be buried by the new commits, in addit...
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...