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Does assignment with a comma work?
...ult of the last statement, 3.
This code:
var bbb = 1,2,3
Is a syntax error because commas in variable declarations are used to declare multiple variables in a single line. As the MDN article points out,
Note that the comma in the var statement is not the comma operator, because it doesn't...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，先拷贝出来吧
# $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $
# This is the sshd server system-wide configuration file. See
# sshd_config(5) for more information.
# This sshd was compiled with PATH=/usr/local/bin:/bin:/usr/bin
# The strategy used for options ...
A more useful statusline in vim? [closed]
...:
hi User1 guifg=#ffdad8 guibg=#880c0e
hi User2 guifg=#000000 guibg=#F4905C
hi User3 guifg=#292b00 guibg=#f4f597
hi User4 guifg=#112605 guibg=#aefe7B
hi User5 guifg=#051d00 guibg=#7dcc7d
hi User7 guifg=#ffffff guibg=#880c0e gui=bold
hi User8 guifg=#ffffff guibg=#5b7fbb
hi User9 guifg=#ffffff...
How can I get a list of locally installed Python modules?
...
In recent versions of pip, this won't work, yielding an error message saying AttributeError: module 'pip' has no attribute 'get_installed_distributions'.
– HelloGoodbye
Dec 28 '18 at 15:12
...
Fastest way to flatten / un-flatten nested JSON objects
...ltholder;
};
flatten hasn't changed much (and I'm not sure whether you really need those isEmpty cases):
Object.flatten = function(data) {
var result = {};
function recurse (cur, prop) {
if (Object(cur) !== cur) {
result[prop] = cur;
} else if (Array.isArray(cu...
How do I list one filename per output line in Linux?
...s -1a
First, though, make sure your ls supports -1. GNU coreutils (installed on standard Linux systems) and Solaris do; but if in doubt, use man ls or ls --help or check the documentation. E.g.:
$ man ls
...
-1 list one file per line. Avoid '\n' with -q or -b
...
How to prevent http file caching in Apache httpd (MAMP)
...d </IfModule> section .. if mod_expires isn't enabled, you'll get an error instead of those directives quietly being ignored.
– Stennie
Jul 28 '12 at 13:15
...
Is there any way to redraw tmux window when switching smaller monitor to bigger one?
...
(1) newer tmux errors on set-option... set-remain-on-exit on. See tmux #787. Now, use: tmux set-hook -t "$tmp" window-linked 'set remain-on-exit on.
– user1902689
Oct 28 '18 at 8:06
...
pythonic way to do something N times without an index variable?
...ghtly faster approach than looping on xrange(N) is:
import itertools
for _ in itertools.repeat(None, N):
do_something()
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ct TestStuct
{
}
int size = sizeof(new TestStuct());
编译后，提示：
错误 1 “ConsoleApplication3.TestStuct”没有预定义的大小，因此 sizeof 只能在不安全的上下文中使用(请考虑使用 System.Runtime.InteropServices.Marshal.SizeOf)
修改为Marshal.SizeOf...