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Best way to select random rows PostgreSQL
...lass WHERE oid = 'schema_name.big'::regclass;
As long as ct isn't much smaller than id_span, the query will outperform other approaches.
WITH params AS (
SELECT 1 AS min_id -- minimum id <= current min id
, 5100000 AS id_span -- rounded up. (max_id - m...
ExecutorService that interrupts tasks after a timeout
...s.newScheduledThreadPool(2);
final Future handler = executor.submit(new Callable(){ ... });
executor.schedule(new Runnable(){
public void run(){
handler.cancel();
}
}, 10000, TimeUnit.MILLISECONDS);
This will execute your handler (main functionality to be interrupted) ...
Python Process Pool non-daemonic?
...to create a python Pool that is non-daemonic? I want a pool to be able to call a function that has another pool inside.
8 A...
libxml/tree.h no such file or directory
...wered Sep 15 '09 at 18:21
Matt BallMatt Ball
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How to do date/time comparison
...Go? I have to sort data based on date and time - independently. So I might allow an object that occurs within a range of dates so long as it also occurs within a range of times. In this model, I could not simply just select the oldest date, youngest time/latest date, latest time and Unix() seconds c...
What does Python's eval() do?
...less until you find a need for it. It is used on sites like codepad.org to allow you to execute scripts in a test environment. eval() can also be used to execute highly-dynamic code, but you should make yourself fully aware of the security and performance risks before using it.
...
Get all attributes of an element using jQuery
I am trying to go through an element and get all the attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of:
...
What is the fastest way to send 100,000 HTTP requests in Python?
...rogram correctly. Has anyone come across a similar problem? I guess generally I need to know how to perform thousands of tasks in Python as fast as possible - I suppose that means 'concurrently'.
...
Getting “net::ERR_BLOCKED_BY_CLIENT” error on some AJAX calls
... that, some adblocker extensions (such as adBlocker plus) block some Ajax calls. I get that error on the console:
8 Answers...
Pythonic way to check if a list is sorted or not
...
Actually we are not giving the answer anijhaw is looking for. Here is the one liner:
all(l[i] <= l[i+1] for i in xrange(len(l)-1))
For Python 3:
all(l[i] <= l[i+1] for i in range(len(l)-1))
...