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How to access the ith column of a NumPy multidimensional array?
...0,2]] = something would modify test, and not create another array. But copy_test = test[:, [0,2]] does in fact create a copy as you say.
– Akavall
Apr 11 '14 at 16:19
...
how to delete all cookies of my website in php
...ill unset all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as $cookie) {
$parts = explode('=', $cookie);
$name = trim($parts[0]);
setcookie($name, '', time()-...
getenv() vs. $_ENV in PHP
What is the difference between getenv() and $_ENV ?
6 Answers
6
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Catch an exception thrown by an async void method
...er
When the async result has arrived it is traced.
static TypeHashes _type = new TypeHashes(typeof(Program));
private void Run()
{
TracerConfig.Reset("debugoutput");
using (Tracer t = new Tracer(_type, "Run"))
{
for (int i = 0; i < 4; i++)
{
...
How to join strings in Elixir?
...u could treat it as an iolist:
["StringA", " ", "StringB"] |> IO.iodata_to_binary # "StringA StringB"
This gives you some performances boosts as you're not duplicating any of the strings in memory.
share
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Python unittest - opposite of assertRaises?
...
def run_test(self):
try:
myFunc()
except ExceptionType:
self.fail("myFunc() raised ExceptionType unexpectedly!")
share
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Use numpy array in shared memory for multiprocessing
...not available anymore) and @Henry Gomersall's answers. You could use shared_arr.get_lock() to synchronize access when needed:
shared_arr = mp.Array(ctypes.c_double, N)
# ...
def f(i): # could be anything numpy accepts as an index such another numpy array
with shared_arr.get_lock(): # synchroniz...
Python time measure function
... time2 = time.time()
print '%s function took %0.3f ms' % (f.func_name, (time2-time1)*1000.0)
return ret
return wrap
And the usage is very simple, just use the @timing decorator:
@timing
def do_work():
#code
Python 3:
def timing(f):
def wrap(*args, **kwargs):
ti...
Any gotchas using unicode_literals in Python 2.6?
...ng: utf-8
name = 'helló wörld from two'
one.py
# encoding: utf-8
from __future__ import unicode_literals
import two
name = 'helló wörld from one'
print name + two.name
The output of running python one.py is:
Traceback (most recent call last):
File "one.py", line 5, in <module>
...
html select option separator
...on>First</option>
</optgroup>
<optgroup label="_________">
<option>Second</option>
<option>Third</option>
</optgroup>
</select>
disabled option (a bit better):
<select>
<option>Fir...