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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...
Do declared properties require a corresponding instance variable?
...String *name;
it will generate synthesizing code as
@synthesize name = _name;
and you can access instance variable using _name
it is similar to declare
NSString* _name
but if you declare read-only property it like
@property (nonatomic, strong, readonly) NSString *name;
it will generate ...
Using pickle.dump - TypeError: must be str, not bytes
..., that's why you are here.
import pickle
class MyUser(object):
def __init__(self,name):
self.name = name
user = MyUser('Peter')
print("Before serialization: ")
print(user.name)
print("------------")
serialized = pickle.dumps(user)
filename = 'serialized.native'
with open(filename,...
Eclipse: Enable autocomplete / content assist
... Change the default in Auto activation triggers for Java to ._abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ stackoverflow.com/questions/1959946/…
– ftvs
Nov 6 '13 at 3:52
...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...rom it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = models.DecimalField()
class Meta:
abstract = True
class Place(AbstractPlace):
pass
class LongNamedRestaurant(AbstractPlace):
name = models.CharField(max_length=255)
food_typ...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...ndex 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
add a comment
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Python 3 turn range to a list
...
You can just construct a list from the range object:
my_list = list(range(1, 1001))
This is how you do it with generators in python2.x as well. Typically speaking, you probably don't need a list though since you can come by the value of my_list[i] more efficiently (i + 1), and...
Remove all special characters with RegExp
...d of ^\w. \W : Matches any non-word character. Equivalent to [^A-Za-z0-9_]. developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/…
– delkant
Jun 24 '16 at 22:14
...
Fast Linux File Count for a large number of files
...lly, the system shouldn't allow any path name that is longer than than PATH_MAX. If there are concerns, I can fix that, but it's just more code that needs to be explained to someone learning to write C. This program is intended to be an example of how to dive into subdirectories recursively.
#inclu...
mingw-w64 threads: posix vs win32
...helps someone else: The package g++-mingw-w64-x86-64 provides two files x86_64-w64-mingw32-g++-win32 and x86_64-w64-mingw32-g++-posix, and x86_64-w64-mingw32-g++ is aliased to one of them; see update-alternatives --display x86_64-w64-mingw32-g++.
– stewbasic
Fe...