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What scalability problems have you encountered using a NoSQL data store? [closed]
...450GB sas raid10) with apache/wsgi/python clients using the mongodb python api (pymongo). The disk setup is probably overkill but thats what we use for mysql.
Apart from some issues with pymongo threadpools and the blocking nature of the mongodb server it has been a good experience.
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Drawing an image from a data URL to a canvas
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Perhaps this fiddle would help ThumbGen - jsFiddle It uses File API and Canvas to dynamically generate thumbnails of images.
(function (doc) {
var oError = null;
var oFileIn = doc.getElementById('fileIn');
var oFileReader = new FileReader();
var oImage = new Image();
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Why does CSS work with fake elements?
...ons, and explicitly states how to handle such things in regards to CSS and API handling (DOM).
– Ben Lesh
Dec 3 '13 at 17:13
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
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The API docs now describe this behaviour:
Ranges constructed using .. run from the beginning to the end inclusively. Those created using ... exclude the end value.
-- http://ruby-doc.org/core-2.1.3/Range.html
In other words:
2....
RESTful Login Failure: Return 401 or Custom Response
... needs authorization header field and authorization fails. Since the Login API doesn't require authorization, hence 401 is the wrong error code in my opinion
As per the standard here https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
*10.4.2 401 Unauthorized
The request requires user authent...
How to use ADB to send touch events to device using sendevent command?
..._UP)
You can also do a drag, start activies etc.
Have a look at the api for MonkeyDevice.
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Rails render partial with block
...tent to be rendered inside the partial</p>
</div>
See http://api.rubyonrails.org/classes/ActionView/Helpers/CaptureHelper.html
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What's wrong with foreign keys?
...ut (Crystal Reports) to systems that insert data (not necessarily using an API I've designed; it may be written by a dull-witted manager who has just discovered VBScript and has the SA password for the SQL box). If the database isn't as idiot-proof as it can possibly be, well - bye bye database.
I...
How to uglify output with Browserify in Gulp?
...);
});
One benefit of the second approach is that it uses the Browserify API directly, meaning that you don't have to wait for the authors of gulpify to update the library before you can.
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Querying DynamoDB by date
...----
Date value of CreatedAt | CreatedAt
Limitation imposed on the HTTP API user to specify the number of days to retrieve data, defaulted to 24 hr.
This way, I can always specify the HashKey as Current date's day and RangeKey can use > and < operators while retrieving. This way the data i...