大约有 40,000 项符合查询结果（耗时：0.0332秒） [XML]
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...本存成一个文件，用如下命令行来运行。>lua file.lua复制代码
或是像shell一样运行：chenhao-air:lua chenhao$ cat hello.lua
#!/usr/local/bin/lua
print("Hello, World")
chenhao-air:lua chenhao$ chmod +x hello.lua
chenhao-air:test chenhao$ ./hello.lua
Hel...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...standard ffs function which returns
* different values.
* - Created set_bit/clear_bit fuctions because they are not present
* on x86_64.
* - Added locking support + extra file target.h to show how to use it.
* - Added get_used_size function (REMOVED in 2.4)
* - Added rtl_realloc an...
Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
... I've also had to change last line in Preferences --> PackageSettings--> view in Browser -- > default settings; to "chrome 64" ( was "firefox"). Then works perfectly with any shortcut ;)
– kolboc
Jul 8 '16 at 12:20
...
How to escape special characters in building a JSON string?
... be double-quoted, according to the specs, so you don't need to escape '.
If you have to use special character in your JSON string, you can escape it using \ character.
See this list of special character used in JSON :
\b Backspace (ascii code 08)
\f Form feed (ascii code 0C)
\n New line
\r Ca...
How do I concatenate two lists in Python?
...
You can use sets to obtain merged list of unique values
mergedlist = list(set(listone + listtwo))
share
|
improve this answer
...
How to deal with page breaks when printing a large HTML table
...t;
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Test</title>
<style type="text/css">
table { page-break-inside:auto }
tr { page-break-inside:avoid; page-break-after:auto }
thead { display:table-header-group }
tfoot...
Flags to enable thorough and verbose g++ warnings
Often in C under gcc , I will start with the following set of warning flags (painfully assembled from multiple sources):
5...
Remove all special characters from a string [duplicate]
I am facing an issue with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens.
...
Fastest way to replace NAs in a large data.table
...h's answers.
require(data.table) # v1.6.6
require(gdata) # v2.8.2
set.seed(1)
dt1 = create_dt(2e5, 200, 0.1)
dim(dt1)
[1] 200000 200 # more columns than Ramnath's answer which had 5 not 200
f_andrie = function(dt) remove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, u...
Why does Ruby have both private and protected methods?
Before I read this article , I thought access control in Ruby worked like this:
7 Answers
...