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In Python, if I return inside a “with” block, will the file still close?
...self
def __exit__(self, *exc):
print('EXITING context.')
def fun():
with MyResource():
print('Returning inside with-statement.')
return
print('Returning outside with-statement.')
fun()
The output is:
Entering context.
Returning inside with-statement.
EXITING...
Creating a blurring overlay view
...Core Image (requires iOS 6). Here is sample: https://github.com/evanwdavis/Fun-with-Masks/blob/master/Fun%20with%20Masks/EWDBlurExampleVC.m
Mind you, this is slower than the other options on this page.
#import <QuartzCore/QuartzCore.h>
- (UIImage*) blur:(UIImage*)theImage
{
// *****...
What does numpy.random.seed(0) do?
...p.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> print perm
[2 8 4 9 1 6 7 3 0 5]
>>> np.random.seed...
Grep characters before and after match?
...
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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ValueError: invalid literal for int() with base 10: ''
...answered Apr 23 '19 at 3:21
Brad123Brad123
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Sorting a list using Lambda/Linq to objects
... answered Jan 2 '13 at 16:32
gls123gls123
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Easiest way to compare arrays in C#
...or tuples via using StructuralComparisons type:
object[] a1 = { "string", 123, true };
object[] a2 = { "string", 123, true };
Console.WriteLine (a1 == a2); // False (because arrays is reference types)
Console.WriteLine (a1.Equals (a2)); // False (because arrays is reference types)
IStruct...
Http Basic Authentication in Java using HttpClient?
... for some reason, it does NOT work in some cloud environment (sae.sina.com.cn if you want to know, it is a chinese cloud service). so have to use the http header instead of HttpClient credentials.
public static void main(String[] args) {
try {
DefaultHttpClient Client = new DefaultHttp...
Using an integer as a key in an associative array in JavaScript
...ered Mar 24 '14 at 12:51
Jesuslg123Jesuslg123
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How to get the first element of the List or Set? [duplicate]
...wered Jan 27 '15 at 11:18
Sonson123Sonson123
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