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python multithreading wait till all threads finished
... method of Thread object in the end of the script.
t1 = Thread(target=call_script, args=(scriptA + argumentsA))
t2 = Thread(target=call_script, args=(scriptA + argumentsB))
t3 = Thread(target=call_script, args=(scriptA + argumentsC))
t1.start()
t2.start()
t3.start()
t1.join()
t2.join()
t3.join()
...
Keyboard Interrupts with python's multiprocessing Pool
...s to specify a timeout. To do that, replace
results = pool.map(slowly_square, range(40))
with
results = pool.map_async(slowly_square, range(40)).get(9999999)
or similar.
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...encode(
"urlParameterString",
java.nio.charset.StandardCharsets.UTF_8.toString()
)
);
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Mismatched anonymous define() module
...ctively the browser sees the following:
<script>
window.__define = window.define;
window.__require = window.require;
window.define = undefined;
window.require = undefined;
</script>
<script src="your-script-file.js"></script> ...
Django queries - id vs pk
...you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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Collapse sequences of white space into a single character and trim string
... d*mn line endings and auto-format... it doesn't deal with "hello______foo" (assume _ -> " " because formatting comments is hard)
– Brian Postow
Sep 15 '09 at 14:11
32...
How do I use Django templates without the rest of Django?
...without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
13 Answer...
Default visibility of class methods in PHP
...sibility.
<?php
class Example {
public $name;
public function __construct() {
$this -> age = 9; // age is now public
$this -> privateFunction();
}
private function privateFunction() {
$this -> country = "USA"; // this is also public
}
}
...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...
A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecate...
How to set default value to the input[type=“date”] [duplicate]
...
<input type="date" id="myDate" />
Then in js :
_today: function () {
var myDate = document.querySelector(myDate);
var today = new Date();
myDate.value = today.toISOString().substr(0, 10);
},
...