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How do I create a constant in Python?
...he value. I do the same in Python. Example: def MY_CONST_VALUE(): return 123
– kevinarpe
Dec 17 '12 at 5:39
...
C# vs Java Enum (for those new to C#)
...t threw it in to show usage
double earthWeight = double.Parse("123");
double earthMass = earthWeight / pEarth.SurfaceGravity();
foreach (Planet p in Planet.Values)
Console.WriteLine($"Your weight on {p} is {p.SurfaceWeight(mass)}");
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...
SYS_USER_LANG = en_US
语言选项，可改作：
SYS_USER_LANG = zh_CN
SYS_MAILDIR_BASE = /home/domains
此处即为您在前文所设置的用户邮件的存放目录，可改作：
SYS_MAILDIR_BASE = /var/mailbox
SYS_MYSQL_USER = db_user
SYS_MYSQL_PASS = db_pass
以上两...
Python - Create a list with initial capacity
..., )
result[i]= message
return result
Results. (evaluate each function 144 times and average the duration)
simple append 0.0102
pre-allocate 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
...
Understanding events and event handlers in C#
.../ First we have to define a delegate that acts as a signature for the
// function that is ultimately called when the event is triggered.
// You will notice that the second parameter is of MyEventArgs type.
// This object will contain information about the triggered event.
public delegate vo...
Match whitespace but not newlines
...
BorodinBorodin
123k99 gold badges6464 silver badges134134 bronze badges
...
Why use bzero over memset?
...6 (2.19-0ubuntu6.6), the calls made are exactly the same (via ltrace ./test123):
long m[] = {0}; // generates a call to memset(0x7fffefa28238, '\0', 8)
int* p;
bzero(&p, 4); // generates a call to memset(0x7fffefa28230, '\0', 4)
I've been told that unless I am working in the deep bowels of ...
What is the purpose and use of **kwargs?
...
@yashas123 No; if you loop over something that's empty, nothing happens, so whatever code might come next runs normally.
– J.G.
Nov 29 '19 at 14:22
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Should I use single or double colon notation for pseudo-elements?
...nswered Apr 16 '12 at 21:25
user123444555621user123444555621
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What's the difference between window.location= and window.location.replace()?
...e something similar to this in es6 and babel
var a = "hello world"
(async function(){
//do work
})()
This code fail and took forever to figure out.
For some reason what it saw was
var a = "hello world"(async function(){})()
hidden deep within the source code it was telling me "hello world" i...