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How do I get the day of the week with Foundation?
...ause the weekday component of NSCalendar is an NSInteger, you will need to cast [comps weekday] to an int, if you need to, or else it will show a warning regarding this.
– mylogon
Feb 22 '16 at 11:35
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How to randomly pick an element from an array
... gives you a double between 0.0 (inclusive) and array.length (exclusive)
Casting to int will round down giving you and integer between 0 (inclusive) and array.length-1 (inclusive)
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Some built-in to pad a list in python
... To say frankly, a+['']*(N-len(a)) looks much clearer. Besides, it lacks casting to list. But thank you anyway.
– newtover
Jan 6 '11 at 20:53
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闲扯Nginx的accept_mutex配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...给过相关的解释：
OS may wake all processes waiting on accept() and select(), this is called thundering herd problem. This is a problem if you have a lot of workers as in Apache (hundreds and more), but this insensible if you have just several workers as nginx usually has. Therefore turni...
How to check if a char is equal to an empty space?
...aracter and a String, but char and String are not comparable and cannot be cast to a common base type.
There is such a thing as a Comparator in Java, but it is an interface not a method, and it is declared like this:
public interface Comparator<T> {
public int compare(T v1, T v2...
What is a mutex?
...chicken you cannot speak. You can only indicate that you want the chicken and wait until you get it before you speak. Once you have finished speaking, you can hand the chicken back to the moderator who will hand it to the next person to speak. This ensures that people do not speak over each other...
ThreadStart with parameters
... Using a lambda expression is much easier to read and doesn't require type casting. See here: https://stackoverflow.com/a/1195915/52551
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How to stop Jenkins installed on Mac Snow Leopard?
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Works fine on 10.8.4, and I suspect it'll work forever with minor tweaks.
– Software Engineer
Jan 15 '15 at 16:02
add a co...
How to convert a string of numbers to an array of numbers?
...th noting that Number() won't force integers, only numbers. If you need to cast specifically to ints, use parseInt(). "1.1,2,3".split(",").map(Number) is [1.1, 2, 3] whereas "1.1,2,3".split(",").map(item => parseInt(item, 10)) is [1, 2, 3]
– dtbarne
Apr 30 '...
How do I output coloured text to a Linux terminal?
..., ASCII 27. It is followed by [, then zero or more numbers separated by ;, and finally the letter m. The numbers describe the colour and format to switch to from that point onwards.
The codes for foreground and background colours are:
foreground background
black 30 40
red ...