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Is there a simple way to remove multiple spaces in a string?
... I prefer this one because it only focuses on the space character and doesn't affect characters like '\n's.
– hhsaffar
Oct 17 '14 at 20:13
2
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When use getOne and findOne methods Spring Data JPA
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TL;DR
T findOne(ID id) (name in the old API) / Optional<T> findById(ID id) (name in the new API) relies on EntityManager.find() that performs an entity eager loading.
T getOne(ID id) relies on EntityManager.getReference() that pe...
C# - Keyword usage virtual+override vs. new
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The "new" keyword doesn't override, it signifies a new method that has nothing to do with the base class method.
public class Foo
{
public bool DoSomething() { return false; }
}
public class Bar : Foo
{
public new bool DoSomething...
What is VanillaJS?
...w days: What is VanillaJS? Some people refer to it as a framework, you can download a library from the official pages.
9 An...
When to use symbols instead of strings in Ruby?
...concerns.
This question is very common because many programming languages don't have symbols, only strings, and thus strings are also used as identifiers in your code. You should be worrying about what symbols are meant to be, not only when you should use symbols. Symbols are meant to be identifier...
List OrderBy Alphabetical Order
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Do you need the list to be sorted in place, or just an ordered sequence of the contents of the list? The latter is easier:
var peopleInOrder = people.OrderBy(person => person.LastName);
To sort in place, you'd need an I...
How enable auto-format code for Intellij IDEA?
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The formatting shortcuts in Intellij IDEA are :
For Windows : Ctrl + Alt + L
For Ubuntu : Ctrl + Alt + Windows + L
For Mac : ⌥ (Option) + ⌘ (Command) + L
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Namespace + functions versus static methods on a class
...e proper use of the almost-standard swap idiom.
And this is impossible to do with static methods in classes.
So, C++ namespaces have their own semantics.
But it goes further, as you can combine namespaces in a way similar to inheritance.
For example, if you have a namespace A with a function AAA...
How can I remove an SSH key?
...r ssh-add -d/-D not removing keys:
"Debian Bug report #472477: ssh-add -D does not remove SSH key from gnome-keyring-daemon memory"
"Ubuntu: ssh-add -D deleting all identities does not work. Also, why are all identities auto-added?"
The exact issue is:
ssh-add -d/-D deletes only manually added ke...
Should I write script in the body or the head of the html? [duplicate]
...s the render of the page at the end of the body (before the body closure).
do NOT place script in the markup such as <input onclick="myfunction()"/> - better to put it in event handlers in your script body instead.
If you cannot decide, put it in the head until you have a reason not to such as...