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Variable declared in for-loop is local variable?
...laration
(Section 8.5.1) is the block in which the declaration occurs.
and
The scope of a local variable declared in a for-initializer of a for
statement (Section 8.8.3) is the for-initializer, the for-condition,
the for-iterator, and the contained statement of the for statement.
And a...
Move existing, uncommitted work to a new branch in Git
I started some work on a new feature and after coding for a bit, I decided this feature should be on its own branch.
9 Ans...
How to download a file with Node.js (without using third-party libraries)?
...
You can create an HTTP GET request and pipe its response into a writable file stream:
const http = require('http');
const fs = require('fs');
const file = fs.createWriteStream("file.jpg");
const request = http.get("http://i3.ytimg.com/vi/J---aiyznGQ/mqdefaul...
Can bash show a function's definition?
...ion
foobar {
echo "I'm foobar"
}
This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by pmohandras.
To print out just the body of the function (i.e. the code) use sed:
type foobar | sed '1,3d;$d'
...
MySQL - Make an existing Field Unique
...into the table that had the same value as another, already existing, entry and this caused problems.
7 Answers
...
How to directly initialize a HashMap (in a literal way)?
... entry("a", "b"),
entry("c", "d")
);
In the example above both test and test2 will be the same, just with different ways of expressing the Map. The Map.of method is defined for up to ten elements in the map, while the Map.ofEntries method will have no such limit.
Note that in this case the r...
What to do with commit made in a detached head
...
Create a branch where you are, then switch to master and merge it:
git branch my-temporary-work
git checkout master
git merge my-temporary-work
share
|
improve this answer
...
How to remove an item from an array in AngularJS scope?
...array, is right on. Use method below with indexOf
– Andrew Kuklewicz
Apr 29 '13 at 6:01
4
@Andre...
Cleaner way to do a null check in C#? [duplicate]
...
In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
...
SLF4J: Class path contains multiple SLF4J bindings
... to find out how log4j is getting on your path run mvn dependency:tree and comb through, then add the snippet above to that dependency in your pom.xml
– cyber-monk
Sep 15 '15 at 15:11
...