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How can one use multi threading in PHP applications
...in/php
<?php
class AsyncOperation extends Thread {
public function __construct($arg) {
$this->arg = $arg;
}
public function run() {
if ($this->arg) {
$sleep = mt_rand(1, 10);
printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $th...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...n
from multiprocessing import Process
import sharedmem
import numpy
def do_work(data, start):
data[start] = 0;
def split_work(num):
n = 20
width = n/num
shared = sharedmem.empty(n)
shared[:] = numpy.random.rand(1, n)[0]
print "values are %s" % shared
processes = [Proc...
Compare object instances for equality by their attributes
...
You should implement the method __eq__:
class MyClass:
def __init__(self, foo, bar):
self.foo = foo
self.bar = bar
def __eq__(self, other):
if not isinstance(other, MyClass):
# don't attempt to compare against ...
Assign a variable inside a Block to a variable outside a Block
...
You need to use this line of code to resolve your problem:
__block Person *aPerson = nil;
For more details, please refer to this tutorial: Blocks and Variables
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How can I get dictionary key as variable directly in Python (not by searching from value)?
...f you want to print key and value, use the following:
for key, value in my_dict.iteritems():
print key, value
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...
Where in a virtualenv does the custom code go?
...our packages right inside:
/foobar
/bin
{activate, activate.py, easy_install, python}
/include
{python2.6/...}
/lib
{python2.6/...}
/mypackage1
__init__.py
/mypackage2
__init__.py
The advantage of this approach is that you can always be sure to find find the activate...
How to parse/read a YAML file into a Python object? [duplicate]
...e looks like this:
import yaml
with open('tree.yaml') as f:
# use safe_load instead load
dataMap = yaml.safe_load(f)
The variable dataMap now contains a dictionary with the tree data. If you print dataMap using PrettyPrint, you will get something like:
{'treeroot': {'branch1': {'branch1-...
Programmatically Request Access to Contacts
... // First time access has been granted, add the contact
[self _addContactToAddressBook];
} else {
// User denied access
// Display an alert telling user the contact could not be added
}
});
}
else if (ABAddressBookGetAuthorizationStatus() == kABAu...
Why does using an Underscore character in a LIKE filter give me all the results?
...
Modify your WHERE condition like this:
WHERE mycolumn LIKE '%\_%' ESCAPE '\'
This is one of the ways in which Oracle supports escape characters. Here you define the escape character with the escape keyword. For details see this link on Oracle Docs.
The '_' and '%' are wildcards in a ...
Redirect stdout to a file in Python?
...
@mgold or you can use sys.stdout = sys.__stdout__ to get it back.
– clemtoy
Jul 9 '15 at 12:52
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