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Instantiating object of type parameter
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After type erasure, all that is known about T is that it is some subclass of Object. You need to specify some factory to create instances of T.
One approach could use a Supplier<T>:
class MyClass<T> {
private final Supplier<?...
How to serialize a lambda?
...le)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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String to Dictionary in Python
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It indicates a small-u unicode literal in Python. Habit is not a good reason. "The character encoding of JSON text is always Unicode." -- [Uu]nicode is NOT an encoding. What json.loads() expects is what you have got "over the wire" which is t...
Regular expression: find spaces (tabs/space) but not newlines
... You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
If you're using Perl or PCRE, you have the option of...
How do I change the default author and committer in the Eclipse Git plugin?
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Changing Your Committer Name & Email Globally
You can run the "git config" command with the --global flag; this will make sure all of your future commits use the given information:
$ git config --global user.name "John Doe"
$ git config --global user.email "john@d...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
... of a CREATE USER statement. When a user is created in that way, they initially have no privileges so they are merely granted USAGE.
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Thread.Sleep replacement in .NET for Windows Store
...continue 30 seconds later, but the thread will not be blocked, just as for all await expressions.
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...echnique, then always start with one hidden layer. Almost certainly that's all you will need. If your data is separable using a MLP, then that MLP probably only needs a single hidden layer. There is theoretical justification for this, but my reason is purely empirical: Many difficult classification...
Heroku Postgres - terminate hung query (idle in transaction)
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(The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activity). You'll find the pid in the first (left) column, and the first (top) row is likely to be the query you'd like to terminate. I'll assume the pid is 1234 below.
You may cancel a que...
How to create a new language for use in Visual Studio
... It's a shame he didn't continue that tutorial...that was a really good one. Thanks!
– mpen
Jan 13 '11 at 20:17
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