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Postgres dump of only parts of tables for a dev snapshot
On production our database is a few hundred gigabytes in size. For development and testing, we need to create snapshots of this database that are functionally equivalent, but which are only 10 or 20 gigs in size.
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How to make a Java Generic method static?
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Pip install Matplotlib error with virtualenv
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Thanks for the info! I finally got it working by installing the following dependencies in ubuntu: libpng-dev, libjpeg8-dev, libfreetype6-dev.
– Darwin Tech
Mar 26 '12 at 15:26
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How to check Django version
...s '2.2.4' (it's just a call to get_version()) and is the standard followed by most other libraries because it's defined in PEP 8. It works since Django 1.8
– Boris
Aug 10 '19 at 0:55
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How to create a static library with g++?
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Java - Convert integer to string [duplicate]
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The way I know how to convert an integer into a string is by using the following code:
Integer.toString(int);
and
String.valueOf(int);
If you had an integer i, and a string s, then the following would apply:
int i;
String s = Integer.toString(i); or
String s = String.valueOf...
python assert with and without parenthesis
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Convert UTC datetime string to local datetime
... of a zoneinfo (Olson) database such that you can refer to time zone rules by a somewhat canonical name.
from datetime import datetime
from dateutil import tz
# METHOD 1: Hardcode zones:
from_zone = tz.gettz('UTC')
to_zone = tz.gettz('America/New_York')
# METHOD 2: Auto-detect zones:
from_zone = ...
Can the :not() pseudo-class have multiple arguments?
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according to caniuse.com, it's still only supported by Safari
– slanden
Mar 25 '18 at 22:32
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
... not found" onerror="this.onerror=null;this.src='imagefound.gif';" />
By calling this.onerror=null it will remove the onerror then try to get the alternate image.
NEW
I would like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_pict...