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How to listen for changes to a MongoDB collection?
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Since MongoDB 3.6 there will be a new notifications API called Change Streams which you can use for this. See this blog post for an example. Example from it:
cursor = client.my_db.my_collection.changes([
{'$match': {
'operationType': {'$in': ['insert', 'replace']}...
vertical & horizontal lines in matplotlib
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matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.axhline <- documentation. You should edit your answer to include this link
– tacaswell
Jun 5 '13 at 4:06
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How can I convert an RGB image into grayscale in Python?
... do it all in matplotlib.
Background:
http://matplotlib.sourceforge.net/api/colors_api.html
http://en.wikipedia.org/wiki/HSL_and_HSV
Alternatively, you could use PIL or the builtin colorsys.rgb_to_yiq() to convert to a colorspace with a true luma value. You could also go all in and roll your o...
mysqli or PDO - what are the pros and cons? [closed]
... be one thing less to learn at that point.
Apart from that I find the PDO API a little more intuitive, and it feels more truly object oriented. mysqli feels like it is just a procedural API that has been objectified, if you know what I mean. In short, I find PDO easier to work with, but that is of ...
What is the difference between re.search and re.match?
...Well, that's goofy. Why call it match? Is it a clever maneuver to seed the API's with unintuitive names to force me to read the documentation? I still won't do it! Rebel!
– Sammaron
Sep 16 '16 at 15:14
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What's the difference between ES6 Map and WeakMap?
...eak Map?":
The experienced JavaScript programmer will notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API methods. Such an implementation would have
two main inconveniences. The first one is an O(n) search (n being the
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Disable mouse scroll wheel zoom on embedded Google Maps
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Thanks for "without API" solution. +1
– Severe Torture
Apr 13 '15 at 6:53
21
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How to use continue in jQuery each() loop?
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It is documented here api.jquery.com/jquery.each @MichaelScheper
– Jayram
Oct 13 '16 at 5:09
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Real world use of JMS/message queues? [closed]
...ilter the output based on contextual information (e.q. by app server name, api call, log level, userid, message type, etc...). I also colorized the output.
Debug logging to file. Same as above, only specific pieces were pulled out using filters, and logged to file for general logging.
Alerting. Agai...
How to $http Synchronous call with AngularJS
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$http
.post("/api/EmployeeApi/Create", angular.toJson(employee))
.success(function (response, status, headers, config) {
deferred.resolve(response, status, headers, config);
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