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Apache Spark: The number of cores vs. the number of executors
...g to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN.
8 Ans...
Python Process Pool non-daemonic?
... always non-daemonic, to be used for the worker processes.
Here's a full example of how to do this. The important parts are the two classes NoDaemonProcess and MyPool at the top and to call pool.close() and pool.join() on your MyPool instance at the end.
#!/usr/bin/env python
# -*- coding: UTF-8 -...
How to send a custom http status message in node / express?
My node.js app is modeled like the express/examples/mvc app.
9 Answers
9
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How to check if running in Cygwin, Mac or Linux?
I have a shell script that is used both on Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
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Django CSRF check failing with an Ajax POST request
... use some help complying with Django's CSRF protection mechanism via my AJAX post. I've followed the directions here:
20 An...
Progress indicator during pandas operations
I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations.
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...get method is not declared as static and
there is a compatible object context at the time of the call, meaning these must be true:
the call is made from a context where $this exists and
the class of $this is either the class of the method being called or a subclass of it.
Example:
class A {
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event.returnValue is deprecated. Please use the standard event.preventDefault() instead
... Chromium and corresponding patch.
This has already been recognised and fixed in jQuery 1.11 (see here and here).
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JSON.stringify output to div in pretty print way
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demo : http://jsfiddle.net/K83cK/
var data = {
"data": {
"x": "1",
"y": "1",
"url": "http://url.com"
},
"event": "start",
"show": 1,
"id": 50
}
document.getElementById("json").textContent = JSON.stringify(data, undefined, 2);
<pre id="json"></pr...
Is it safe to delete a NULL pointer?
...e by default was setting the parameter to NULL like in
#define my_delete(x) {delete x; x = NULL;}
(I know about R and L values, but wouldn't it be nice?)
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