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Attempted to read or write protected memory. This is often an indication that other memory is corrup
... more than 1 server using different hardware. Turns out all the machines I tested this on were running "NVidia Network Manager". I believe it installs with the rest of the motherboard drivers.
Hopefully this helps someone as this issue was plaguing my application for a very long time.
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Python Pandas: Get index of rows which column matches certain value
... If you only want back the index, what's the overhead of df[dftest].index? Does this create an intermediate data frame (whose data may be gibabytes). What about dftest? Doesn't this also allocate a very large intermediate object where the returned index may be very small, or even empty...
Get ID of last inserted document in a mongoDB w/ Java driver
...tln("doc.id before: " + doc.get("_id")); new Mongo("localhost").getDB("test").getCollection("t").insert(doc); System.out.println("doc.id after: " + doc.get("_id")); </code> this code work well for me, tested on new versions mongo 2.2.2, driver 2.10.1
– zlob
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Mockito: InvalidUseOfMatchersException
...cceeds, the command proceeds with further tasks. I am trying to write unit tests for this using Mockito. Here's my code:
5 ...
Django : How can I see a list of urlpatterns?
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Django >= 2.0 solution
I tested the other answers in this post and they were either not working with Django 2.X, incomplete or too complex. Therefore, here is my take on this:
from django.conf import settings
from django.urls import URLPattern, URLR...
UINavigationController without navigation bar?
...stance of UINavigationController. Seems to work for me, but I only briefly tested it before posting this.
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
... then
mv $i.new $i
else
echo "Error for file $i!"
fi
done
Untested, but hopefully works.
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Ruby combining an array into one string
...y solution:
@arr = ['<p>Hello World</p>', '<p>This is a test</p>']
@arr.reduce(:+)
=> <p>Hello World</p><p>This is a test</p>
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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
... you should not worry about them until you actually run into them.
As for testing index usage you should first fill your table with some data to make optimizer think it's actually worth to use that index.
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How can I find out the current route in Rails?
...uri = request.env['PATH_INFO']
# If you are browsing http://example.com/my/test/path,
# then above line will yield current_uri as "/my/test/path"
To find out the route i.e. controller, action and params:
path = ActionController::Routing::Routes.recognize_path "/your/path/here/"
# ...or newer Ra...