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favicon.png vs favicon.ico - why should I use PNG instead of ICO?
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Answer replaced (and turned Community Wiki) due to numerous updates and notes from various others in this thread:
ICOs and PNGs both allow full alpha channel based transparency
ICO allows for backwards compatibility to older browsers (e.g. IE6)
PNG probably has b...
How to do Base64 encoding in node.js?
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Buffers can be used for taking a string or piece of data and doing base64 encoding of the result. For example:
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'base64'...
What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...Dec 27 '18 at 16:51
Andrew Tobilko
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answered Dec 24 '12 at 19:36
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android View not attached to window manager
...e on a screen orientation change, the activity finished before the AsyncTask with the progress dialog completed. I seemed to resolve this by setting the dialog to null onPause() and then checking this in the AsyncTask before dismissing.
@Override
public void onPause() {
super.onPause();
i...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...nt statement:
print "Hello, World!"
The statement above does not work in Python 3. In Python 3 you need to add parentheses around the value to be printed:
print("Hello, World!")
“SyntaxError: Missing parentheses in call to 'print'” is a new error message that was added in Python 3.4....
When to use an assertion and when to use an exception
Most of the time I will use an exception to check for a condition in my code, I wonder when it is an appropriate time to use an assertion?
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Ruby, remove last N characters from a string?
... in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'.delete_suffix!('123') # => "abc"
It's even significantl...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
In JDK 8 with lambda b93 there was a class java.util.stream.Streams.zip in b93 which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
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How to enter in a Docker container already running with a new TTY
... container that is running the Apache service in the foreground. I would like to be able to access the container from another shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run any comman...
Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
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