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How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String...
Implementing two interfaces in a class with same method. Which interface method is overridden?
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348
+100
If a typ...
jQuery - Create hidden form element on the fly
...round.
– Roy Tinker
Oct 6 '11 at 4:18
4
Also, jQuery documentation suggests that since DOM manipu...
How to view UTF-8 Characters in VIM or Gvim
...ges involving Non-English scripts from time to time, most of them uses utf-8 charset, VIM and Gvim does not display UTF-8 Characters correctly.
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Error :: duplicate files during packaging of APK
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8 Answers
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Setting Short Value Java
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178
In Java, integer literals are of type int by default. For some other types, you may suffix the l...
What happened to “Always refresh from server” in IE11 developer tools?
...have the "Always refresh from server" feature of the developer tools in IE 8-10?
5 Answers
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Re-ordering columns in pandas dataframe based on column name [duplicate]
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edited Dec 18 '18 at 22:57
gcamargo
2,22422 gold badges1717 silver badges3131 bronze badges
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Applying a function to every row of a table using dplyr?
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alexwhanalexwhan
13.8k55 gold badges4545 silver badges6464 bronze badges
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How do I convert a numpy array to (and display) an image?
...mport numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
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