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Query for array elements inside JSON type
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edited Jun 20 at 9:12
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answered Mar 29 '14 at 22:25
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Linear Layout and weight in Android
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answered Apr 23 '10 at 17:08
JeremyFromEarthJeremyFromEarth
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Show an image preview before upload
... // read the image file as a data URL.
reader.readAsDataURL(this.files[0]);
};
Here's a good article on using the File APIs in JavaScript.
The code snippet in the HTML example below filters out images from the user's selection and renders selected files into multiple thumbnail previews:
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Custom Python list sorting
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It's documented here.
The sort() method takes optional arguments for controlling the
comp...
Performance difference for control structures 'for' and 'foreach' in C#
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Well, it partly depends on the exact type of list. It will also depend on the exact CLR you're u...
Add single element to array in numpy
...mal to use the proper method for adding an element:
a = numpy.append(a, a[0])
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What's the difference between “mod” and “remainder”?
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edited Jul 18 '13 at 20:13
Grijesh Chauhan
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Express command not found
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With the release of Express 4.0.0 it looks like you need to do sudo npm install -g express-generator.
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Multiprocessing - Pipe vs Queue
...ts using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks ...
Most efficient way to make the first character of a String lower case?
... Mode Cnt Score Error Units
MyBenchmark.test1 thrpt 20 10463220.493 ± 288805.068 ops/s
MyBenchmark.test2 thrpt 20 14730158.709 ± 530444.444 ops/s
MyBenchmark.test3 thrpt 20 16079551.751 ± 56884.357 ops/s
MyBenchmark.test4 thrpt 20 9762578.446 ± 584316.582 ...