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Abstract class in Java
...stract class, which then can be instantiated. To do so you have to inherit from the abstract class and override the abstract methods, i.e. implement them.
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How to specify a min but no max decimal using the range data annotation attribute?
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@ppumkin inherit from DataAnnotationsModelValidator class to customize error messages
– Alexander
Mar 15 '16 at 17:07
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In a URL, should spaces be encoded using %20 or +? [duplicate]
...ring (and in the query string only) may be encoded as either "%20" or "+". From the section "Query strings" under "Recommendations":
Within the query string, the plus sign is reserved as shorthand notation for a space. Therefore, real plus signs must be encoded. This method was used to make quer...
Iterate over the lines of a string
...he same results as the others (trailing blanks on a line are kept), i.e.:
from cStringIO import StringIO
def f4(foo=foo):
stri = StringIO(foo)
while True:
nl = stri.readline()
if nl != '':
yield nl.strip('\n')
else:
raise StopIteration
Meas...
Should URL be case sensitive?
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@DanFromGermany, path is case-sensitive can be deduced vaguely from here "URLs in general are case-sensitive (with the exception of machine names).There may be URLs, or parts of URLs, where case doesn't matter, but identifying th...
How to install Homebrew on OS X?
...
It's on the top of the Homebrew homepage.
From a Terminal prompt:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
The command brew install wget is an example of how to use Homebrew to install another application (in this cas...
Generate unique random numbers between 1 and 100
... This is how I always do it, too. So if I wanted ten random lines from a file with a bunch of lines in it, I do randlines file | head -10.
– tchrist
Sep 9 '12 at 19:38
1
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Android accelerometer accuracy (Inertial navigation)
... API yet, so bear with me.
First of all, traditionally, to get navigation from accelerometers you would need a 6-axis accelerometer. You need accelerations in X, Y, and Z, but also rotations Xr, Yr, and Zr. Without the rotation data, you don't have enough data to establish a vector unless you assum...
NPM global install “cannot find module”
...ode@v0.8.4
[cut]
npm info build /opt/lib/node_modules/promised-io
npm verb from cache /opt/lib/node_modules/promised-io/package.json
npm verb linkStuff [ true, '/opt/lib/node_modules', true, '/opt/lib/node_modules' ]
[cut]
My script fails on require('promised-io/promise'):
[neek@uberneek project]...
Git fails when pushing commit to github
...o git over ssh, and push it to github. Then when you try to do a push/pull from the original server it should work over https. (since it is a much smaller amount of data than an original push).
Hope this helps.
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