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Git/GitHub can't push to master
...erences between the transfer protocols used by Git are explained in the link below.)
If you want to change the URL of origin, you can just do:
git remote set-url origin git@github.com:my_user_name/my_repo.git
or
git remote set-url origin https://github.com/my_user_name/my_repo.git
More inform...
How default .equals and .hashCode will work for my classes?
...
Yes, the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for class Object implements the most discriminating...
What is the C# equivalent of NaN or IsNumeric?
...characters within the string are digits, then another approach should be taken.
example 1:
public Boolean IsNumber(String s) {
Boolean value = true;
foreach(Char c in s.ToCharArray()) {
value = value && Char.IsDigit(c);
}
return value;
}
or if you want to be a little more ...
Identify if a string is a number
...d Feb 14 at 13:37
Vadim Ovchinnikov
9,91644 gold badges3939 silver badges6969 bronze badges
answered May 21 '09 at 18:08
...
Python - When to use file vs open
...s:
When opening a file, it's preferable
to use open() instead of invoking this
constructor directly. file is more
suited to type testing (for example,
writing "isinstance(f, file)").
Also, file() has been removed since Python 3.0.
...
How to get a subset of a javascript object's properties
...nd Property Shorthand
const object = { a: 5, b: 6, c: 7 };
const picked = (({ a, c }) => ({ a, c }))(object);
console.log(picked); // { a: 5, c: 7 }
From Philipp Kewisch:
This is really just an anonymous function being called instantly. All of this can be found on the Destr...
ORA-00979 not a group by expression
...Y or use functions on them which compress the results to a single value (like MIN, MAX or SUM).
A simple example to understand why this happens: Imagine you have a database like this:
FOO BAR
0 A
0 B
and you run SELECT * FROM table GROUP BY foo. This means the database must return a single r...
Choosing Mobile Web HTML5 Framework [closed]
For the new project, I have been searching for a framework with support of HTML5 and runs on mobile, that is IPhone, IPads. I found out these:
...
Background color not showing in print preview
I am trying to print a page. In that page I have given a table a background color.
When I view the print preview in chrome its not taking on the background color property...
...
What's the best way to get the current URL in Spring MVC?
I'd like to create URLs based on the URL used by the client for the active request. Is there anything smarter than taking the current HttpServletRequest object and it's getParameter...() methods to rebuilt the complete URL including (and only) it's GET parameters.
...