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How can I use Timer (formerly NSTimer) in Swift?
...imer.scheduledTimerWithTimeInterval(0.4, target: self, selector: #selector(MyClass.update), userInfo: nil, repeats: true)
// Swift <2.2 selector syntax
let timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: "update", userInfo: nil, repeats: true)
}
// must be int...
How to merge dictionaries of dictionaries?
...2, dict3...])
where everything will be added to dict1.
[note - i edited my initial answer to mutate the first argument; that makes the "reduce" easier to explain]
ps in python 3, you will also need from functools import reduce
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...ost a day of work once tracking down one of these cases... anyways learned my lesson and haven't fallen again fortunately
– Robert Gould
Dec 15 '08 at 8:29
2
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How to get index of object by its property in JavaScript?
...over the array twice. Instead you should use the findIndex method shown in my answer
– silverlight513
Mar 13 '19 at 11:23
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show 10 more com...
How do I URL encode a string
...DaveDeLong That may be where I got it. Its been a standard category in all my projects for a year or so, so I imagine you may have been the original source! I've edited the wording so it doesnt seem like I am trying to take credit for writing it ).
– chown
Nov...
pythonic way to do something N times without an index variable?
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@Hamish: My test with 2.6 says 32% faster (23.2 us vs 17.6 us for N=1000). But that is a really time time anyways. I would default to the OP's code because it is more immediately readable (to me).
– Mike Boers
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How do I add indices to MySQL tables?
I've got a very large MySQL table with about 150,000 rows of data. Currently, when I try and run
7 Answers
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How do I restart a WPF application? [duplicate]
...ostics.Process.Start(Application.ExecutablePath);
Application.Exit();
In my program I have a mutex to ensure only one instance of the application running on a computer. This was causing the newly started application to not start because the mutex had not been release in a timely fashion. As a resu...
What is the easiest way to make a C++ program crash?
...hon program that interfaces with a different crashy process (that's out of my hands). Unfortunately the program I'm interfacing with doesn't even crash reliably! So I want to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way to do that, does anyone ...
How to kill a process running on particular port in Linux?
...that the server was not closed properly. And thus I was unable to restart My tomcat is running on port 8080 .
30 Answers
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