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In plain English, what does “git reset” do?
...ch and reset it to point somewhere else, and possibly bring the index and work tree along. More concretely, if your master branch (currently checked out) is like this:
- A - B - C (HEAD, master)
and you realize you want master to point to B, not C, you will use git reset B to move it there:
- A ...
Which exception should I raise on bad/illegal argument combinations in Python?
I was wondering about the best practices for indicating invalid argument combinations in Python. I've come across a few situations where you have a function like so:
...
Python try-else
...by
the try ... except statement.
So, if you have a method that could, for example, throw an IOError, and you want to catch exceptions it raises, but there's something else you want to do if the first operation succeeds, and you don't want to catch an IOError from that operation, you might write ...
DateTime2 vs DateTime in SQL Server
...
The MSDN documentation for datetime recommends using datetime2. Here is their recommendation:
Use the time, date, datetime2 and
datetimeoffset data types for new
work. These types align with the SQL
Standard. They are more portable.
time...
Does every web request send the browser cookies?
...-- secure, httponly, not expired, etc) hold, then the cookie will be sent for every request.
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Pythonic way to check if a file exists? [duplicate]
...his follows symbolic
links, so both islink() and
isfile() can be true for the same
path.
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What is the difference between sql and mysql [closed]
...atabases.
MySQL is a relational database - a piece of software optimized for data storage and retrieval. There are many such databases - Oracle, Microsoft SQL Server, SQLite and many others are examples of such.
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Is recursion ever faster than looping?
...ilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function calls.
In functional programming language implementations, sometimes, iteration can be very expensive and recursion can b...
How are Anonymous inner classes used in Java?
...ods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// do something
}
});
Using this method makes coding a litt...
Is using Random and OrderBy a good shuffle algorithm?
I have read an article about various shuffle algorithms over at Coding Horror . I have seen that somewhere people have done this to shuffle a list:
...