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Django - Difference between import django.conf.settings and import settings
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import settings
Will import settings(.py) module of your Django project (if you are writing this code from the "root" package of your application, of course)
from django.conf import settings
Will import settings object from dja...
Set folder browser dialog start location
Is there any way to set the initial directory of a folder browser dialog to a non-special folder? This is what I'm currently using
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How do I connect to a specific Wi-Fi network in Android programmatically?
..." + networkPass + "\"";
conf.wepTxKeyIndex = 0;
conf.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
conf.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
For WPA network you need to add passphrase like this:
conf.preSharedKey = "\""+ networkPass +"\"";
For Open network...
Is SQL or even TSQL Turing Complete?
...gned to be true programming languages, so that's kinda cheating).
In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allo...
What does numpy.random.seed(0) do?
...numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
With the seed reset (every time), the same set of numbers will appear every time.
If the random seed is not reset, different numbers appear with every invocation:
>>> numpy.random.rand(4)
array([ 0.42, 0.65, 0.44, 0.89])
>&g...
Why is Scala's immutable Set not covariant in its type?
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Set is invariant in its type parameter because of the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] extends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set w...
How do you plot bar charts in gnuplot?
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Simple bar graph:
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) with boxes
data.dat:
0 label 100
1 label2 450
2 "bar label" 75
If you want to style your bars differently, you can do something like:
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How can I add items to an empty set in python
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D = {} is a dictionary not set.
>>> d = {}
>>> type(d)
<type 'dict'>
Use D = set():
>>> d = set()
>>> type(d)
<type 'set'>
>>> d.update({1})
>>> d.add(2)
>>> d.update([3,3...
Set a persistent environment variable from cmd.exe
I have to set environment variables on different windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
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Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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