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Decode Base64 data in Java
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As of Java 8, there is an officially supported API for Base64 encoding and decoding.
In time this will probably become the default choice.
The API includes the class java.util.Base64 and its nested classes. It supports three different flavors: basic, URL safe, and MIME.
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plot a circle with pyplot
...nates are, you could use the scatter() method. http://matplotlib.org/1.3.1/api/pyplot_api.html#matplotlib.pyplot.scatter
import matplotlib.pyplot as plt
x = [1, 2, 3, 4, 5]
y = [10, 20, 30, 40, 50]
r = [100, 80, 60, 40, 20] # in points, not data units
fig, ax = plt.subplots(1, 1)
ax.scatter(x, ...
Android: Is it possible to display video thumbnails?
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If you are using API 2.0 or newer this will work.
int id = **"The Video's ID"**
ImageView iv = (ImageView ) convertView.findViewById(R.id.imagePreview);
ContentResolver crThumb = getContentResolver();
BitmapFactory.Options options=new Bitmap...
Commands out of sync; you can't run this command now
... your application.
After running my query and dealing with the results [C API: mysql_store_result()], I iterate over any further potentially pending results that occurs via multiple SQL statement execution such as two or more select statements (back to back without dealing with the results).
The f...
How to pass payload via JSON file for curl?
...to specify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: application/json"
But that will only work if the server accepts json input. The .json at the end of the url may only indicate that the output is json, it doesn...
Synchronization vs Lock
java.util.concurrent API provides a class called as Lock , which would basically serialize the control in order to access the critical resource. It gives method such as park() and unpark() .
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How to get the children of the $(this) selector?
...You can use find or children as above code. For more visit Children http://api.jquery.com/children/ and Find http://api.jquery.com/find/.
See example http://jsfiddle.net/lalitjs/Nx8a6/
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How to use pull to refresh in Swift?
...der: Any) {
self.pullControl.endRefreshing() // You can stop after API Call
// Call API
}
Making HTTP Requests using Chrome Developer tools
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Since the Fetch API is supported by Chrome (and most other browsers), it is now quite easy to make HTTP requests from the devtools console.
To GET a JSON file for instance:
fetch('https://jsonplaceholder.typicode.com/posts/1')
.then...
Can local storage ever be considered secure? [closed]
...ailed below. All but one of these concerns does not apply to the WebCrypto API, which is now reasonably well supported.
For an offline app, you must still design and implement a secure keystore.
Aside: If you are using Node.js, use the builtin crypto API.
Native-Javascript Cryptography (pre-WebCr...