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What's the difference between Thread start() and Runnable run()
...ent the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread.
Second example: Two separate threads.
Thread t1 = new Thread(r1);
Thread t2 = new Thread(r2);
t1 and t2 are objects of the class Thread. When you call t1.start(), ...
How do I do redo (i.e. “undo undo”) in Vim?
...ers multiple paths through the undo history. This is useful if you accidentally type something after undoing too much.
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What exactly is Python's file.flush() doing?
...
There's typically two levels of buffering involved:
Internal buffers
Operating system buffers
The internal buffers are buffers created by the runtime/library/language that you're programming against and is meant to speed things up by ...
What is the difference between pip and conda?
...now pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython.
...
how to remove css property using javascript?
...e provided. I tried using el.style.removeProperty('zoom'); (or 'fill', actually, in my case) that seems to do the same thing in IE, and get ignored by the other browsers. For some reason I was surprised to find that setting it to a blank string has the same effect and seems to work on all (recent ve...
Throwing the fattest people off of an overloaded airplane.
...ngers)
{
if (totalWeight < targetTotal)
{
// unconditionally add this passenger
myHeap.Add(pass);
totalWeight += pass.Weight;
}
else if (pass.Weight > myHeap.Peek().Weight)
{
// If this passenger is heavier than the lightest
// passen...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
...comparisons of the three remaining candidates. There are three such pairs. All of them have identical parameter lists once we strip off the omitted optional parameters, which means that we have to go to the advanced tiebreaking round described in section 7.5.3.2 of the specification.
Which is bette...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...
Swift is statically typed so the performSelector: methods are to fall by the wayside.
Instead, use GCD to dispatch a suitable block to the relevant queue — in this case it'll presumably be the main queue since it looks like you're doing ...
How to track down log4net problems
I use log4net all the time, but one thing I've never figured out is how to tell what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll f...
Show diff between commits
...
Try
git diff k73ud^..dj374
to make sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of...