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surface plots in matplotlib
...a surface.
Here's a smooth surface example:
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
# Axes3D import has side effects, it enables using projection='3d' in add_subplot
import matplotlib.pyplot as plt
import random
def fun(x, y):
return x**2 + y
fig = plt.figure()
ax = fi...
Why use HttpClient for Synchronous Connection
...his is how I managed to make it work:
private static readonly TaskFactory _myTaskFactory = new TaskFactory(CancellationToken.None, TaskCreationOptions.None, TaskContinuationOptions.None, TaskScheduler.Default);
public static T RunSync<T>(Func<Task<T>> func)
{
...
nonlocal keyword in Python 2.x
... @BobStein Sorry, I don't really understand what you mean. But by adding __slots__ = () and creating an object instead of using the class, e.g. context.z = 3 would raise an AttributeError. It is possible for all classes, unless they inherit from a class not defining slots.
– ...
Can I mask an input text in a bat file?
...2/22/2013
::https://groups.google.com/forum/#!topic/alt.msdos.batch.nt/f7mb_f99lYI
@Echo Off
:HInput
SetLocal EnableExtensions EnableDelayedExpansion
Set "FILE=%Temp%.\T"
Set "FILE=.\T"
Keys List >"%File%"
Set /P "=Hidden text ending with Ctrl-C?: " <Nul
Echo.
Set "HInput="
:HInput_
For /F "...
Size of Matrix OpenCV
... Link to documentation: docs.opencv.org/modules/core/doc/basic_structures.html#mat-size
– Rasim
Dec 25 '12 at 6:50
1
...
Do you need text/javascript specified in your tags?
...he same kind of short-sighted thinking that makes people name their files "_new" and confuses other people for years. Is it the "_new"? Or "_new_new"? Or "_newer"? IMO it's short-sighted.
– Slobaum
Apr 11 '13 at 1:51
...
Django-Admin: CharField as TextArea
...eld( widget=forms.Textarea )
class Meta:
model = Cab
class Cab_Admin( admin.ModelAdmin ):
form = CabModelForm
The form attribute of admin.ModelAdmin is documented in the official Django documentation. Here is one place to look at.
...
In Python, what is the difference between “.append()” and “+= []”?
...Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs LOAD_ATTR + CALL_FUNCTION.
>>> import dis
>>> dis.dis(compile("s = []; s.append('spam')", '', 'exec'))
1 ...
Programmatically scroll a UIScrollView
...myScrollView.contentOffset.x +320) lies the key!
– DD_
Feb 28 '13 at 6:17
5
Correct me if I'm wro...
What is the difference between varchar and varchar2 in Oracle?
...aracters with a maximum length of 4000 bytes. If the init.ora parameter max_string_size is default, the maximum length of a VARCHAR2 can be 4000 bytes. If the init.ora parameter max_string_size = extended, the maximum length of a VARCHAR2 can be 32767 bytes
The VARCHAR data type stores character st...
