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Extract substring in Bash
Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
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How to use wait and notify in Java without IllegalMonitorStateException?
...esults of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to make the printer thread wait until the multiplyThread notifies it t...
Creating multiline strings in JavaScript
... They have many features, variable interpolation among others, but most importantly for this question, they can be multiline.
A template literal is delimited by backticks:
var html = `
<div>
<span>Some HTML here</span>
</div>
`;
(Note: I'm not advocating to use HT...
Why does Iterable not provide stream() and parallelStream() methods?
...lt;Integer> would rather have their stream method return an IntStream, for example. But putting the stream() method this high up in the hierarchy would make that impossible. So instead, we made it really easy to make a Stream from an Iterable, by providing a spliterator() method. The implementa...
When to use setAttribute vs .attribute= in JavaScript?
...
You should always use the direct .attribute form (but see the quirksmode link below) if you want programmatic access in JavaScript. It should handle the different types of attributes (think "onload") correctly.
Use getAttribute/setAttribute when you wish to deal with t...
How can I dynamically create derived classes from a base class
For example I have a base class as follows:
3 Answers
3
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UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
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How does std::move() transfer values into RValues?
...is called with rvalue:
Object a = std::move(Object());
// Object() is temporary, which is prvalue
and our move template gets instantiated as follows:
// move with [T = Object]:
remove_reference<Object>::type&& move(Object&& arg)
{
return static_cast<remove_reference<...
How do I detect what .NET Framework versions and service packs are installed?
... asked here , but it was specific to .NET 3.5. Specifically, I'm looking for the following:
13 Answers
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How to suppress specific MSBuild warning
... such
as warnings about expressions that always evaluate to true or false
4 (the default) Displays all level 3 warnings plus informational warnings
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