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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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LINQ where vs takewhile
... Neuron
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answered Feb 17 '11 at 16:37
Albin SunnanboAlbin Sunnanbo
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How to fix bower ECMDERR
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leohleoh
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Convert character to ASCII code in JavaScript
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What does the star operator mean, in a function call?
...(a, b, c, d):
return a + b + c + d
values1 = (1, 2)
values2 = { 'c': 10, 'd': 15 }
s = sum(*values1, **values2)
will execute as:
s = sum(1, 2, c=10, d=15)
Also see section 4.7.4 - Unpacking Argument Lists of the Python documentation.
Additionally you...
How can I round to whole numbers in JavaScript?
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edited Aug 6 '11 at 16:10
Jeremy
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answered Aug 6 ...
Get all child views inside LinearLayout at once
...earLayout ll = …
final int childCount = ll.getChildCount();
for (int i = 0; i < childCount; i++) {
View v = ll.getChildAt(i);
// Do something with v.
// …
}
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fork() branches more than expected?
...llykwallyk
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Swift equivalent for MIN and MAX macros
... JackJack
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Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
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