大约有 6,000 项符合查询结果（耗时：0.0104秒） [XML]
How to use the C socket API in C++ on z/OS
...'m having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
...
Technically, why are processes in Erlang more efficient than OS threads?
...
There are several contributing factors:
Erlang processes are not OS processes. They are implemented by the Erlang VM using a lightweight cooperative threading model (preemptive at the Erlang level, but under the control of a cooperatively scheduled runtime). This means that it is much chea...
How to filter by IP address in Wireshark?
...can also limit the filter to only part of the ip address.
E.G. To filter 123.*.*.* you can use ip.addr == 123.0.0.0/8. Similar effects can be achieved with /16 and /24.
See WireShark man pages (filters) and look for Classless InterDomain Routing (CIDR) notation.
... the number after the slash...
Best way to pretty print a hash
...\2:"). # "foo": 1 -> foo: 1
gsub(/(^\s*)(".*?"):/, "\\1\\2 =>") # "123": 1 -> "123" => 1
{
a: 1,
"2" => 3,
"3" => nil
}
share
|
improve this answer
|
...
Python, add trailing slash to directory string, os independently
...
os.path.join(path, '') will add the trailing slash if it's not already there.
You can do os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // returns false !! (but they are equal and of the same type)
I...
How would you make a comma-separated string from a list of strings?
...gIO
import StringIO
import csv
l = ['list','of','["""crazy"quotes"and\'',123,'other things']
line = StringIO.StringIO()
writer = csv.writer(line)
writer.writerow(l)
csvcontent = line.getvalue()
# 'list,of,"[""""""crazy""quotes""and\'",123,other things\r\n'
...
How to clear the interpreter console?
Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
...
Get folder name from full file path
... answered Jun 27 '18 at 15:39
123iamking123iamking
1,48011 gold badge2020 silver badges3434 bronze badges
...
Python: Best way to add to sys.path relative to the current running script
...
This is what I use:
import os, sys
sys.path.append(os.path.join(os.path.dirname(__file__), "lib"))
share
|
improve this answer
|
...