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Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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Best approach to converting Boolean object to string in java
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@lazyvab In all honesty I have no idea! I don't write Java anymore but I can only presumable it was something I must have heard. I've been programming in other languages for the past few years but can't see why using this in production would hurt. Besides System.out.println is f...
Converting a string to int in Groovy
... and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ?
13 Answers
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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
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How can we redirect a Java program console output to multiple files?
...to provide alternative formatting. The argument must be valid pattern for java.util.SimpleDateFormat.
Or you can also use a system_property or an env_var to specify something dynamic (either one needs to be specified as arguments)
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Add a prefix to all Flask routes
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You can put your routes in a blueprint:
bp = Blueprint('burritos', __name__,
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limiting java ssl debug logging
...he format for using the additional ssl flags is ssl:[flag] for example:
-Djavax.net.debug=ssl:record or -Djavax.net.debug=ssl:handshake.
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Adding 'serial' to existing column in Postgres
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Mark Amery
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answered Feb 28 '12 at 22:09
Euler Tave...
Why does the MongoDB Java driver use a random number generator in a conditional?
I saw the following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do?
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