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Is there a timeout for idle PostgreSQL connections?
...E SET idle_in_transaction_session_timeout = '5min', or using configuration files (see postgresql.org/docs/current/static/config-setting.html).
– shosti
Oct 8 '18 at 20:41
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Android onCreate or onStartCommand for starting service
...able to reduce the problem to something small and repeatable so I have not filed a bug myself. The documentation does not explicitly state that services are singletons, but it is very clear that that is what is intended. Look at the docs for 'startService()`: clearly states that if the service is no...
How to send JSON instead of a query string with $.ajax?
...plication/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode()
– santiago arizti
Nov 23 '18 at 15:33
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How to rename items in values() in Django?
... your query using other queryset methods. If you do need to use it, please file a ticket using the QuerySet.extra keyword with your use case (please check the list of existing tickets first) so that we can enhance the QuerySet API to allow removing extra(). We are no longer improving or fixing bugs ...
What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
...ffectively overrides the outer join and lazy declarations of the
mapping file for associations and collections.
this "JOIN FETCH" will have it's effect if you have (fetch = FetchType.LAZY) property for a collection inside entity(example bellow).
And it is only effect the method of "when the que...
Difference between os.getenv and os.environ.get
... can specify an alternate default."""
return environ.get(key, default)
File: ~/venv/lib/python2.7/os.py
Type: function
So we can conclude os.getenv is just a simple wrapper around os.environ.get.
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difference between use and require
...eams :only (writer reader)])
or even better, specify it at the top of the file in the namespace definition:
(ns com.me.project
(:use [clojure.contrib.test-is :only (deftest is run-tests)]))
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Google Maps: how to get country, state/province/region, city given a lat/long value?
...s! This collection of lat/long I have are actually associated with user profiles in my database. Do you know how I can implement a search feature that would allow users to find other users within a specified location (e.g. find all users in Brooklyn, NY)? Remember, all I have are lat/longs.
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How do I avoid capturing self in blocks when implementing an API?
...e a #pragma to suppress the warnings for that block of code. (Or use a per-file compiler flag. But don't disable the warning for the whole project.)
You could also look into using a similar trick above, declaring a reference weak or unretained and using that in the block. For example:
__weak MyDat...
Read stream twice
... memory? which could be a big problem if you're loading something like big files?
– jaxkodex
Jan 9 '15 at 14:23
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