大约有 5,883 项符合查询结果（耗时：0.0159秒） [XML]
Returning multiple objects in an R function [duplicate]
...what you are looking for?
x1 = function(x){
mu = mean(x)
l1 = list(s1=table(x),std=sd(x))
return(list(l1,mu))
}
library(Ecdat)
data(Fair)
x1(Fair$age)
share
|
improve this answer
|...
Real escape string and PDO [duplicate]
...WHERE username = '".$conn->quote($username)."'";, the queries will inevitably fail.
– user1669496
Jun 11 '14 at 18:05
12
...
SQL is null and = null [duplicate]
...showing a variety of conditions and and their effect as per above.
create table t (x int, y int);
insert into t values (null, null), (null, 1), (1, 1);
select 'x = null' as test , x, y from t where x = null
union all
select 'x != null', x, y from t where x != null
union all
select 'not (x = null)'...
Why are #ifndef and #define used in C++ header files?
...
@Јοеу: #pragma once is not portable; the common #ifndef idiom is recommended.
– Keith Thompson
Aug 24 '13 at 19:45
2
...
NoSql Crash Course/Tutorial [closed]
...I'm really stuck in a relational-db mindset thinking of things in terms of tables and joins...
9 Answers
...
JSON.stringify output to div in pretty print way
...his one https://github.com/padolsey/prettyprint.js to output it as an HTML table.
share
|
improve this answer
|
follow
|
...
How to make a query with group_concat in sql server [duplicate]
...
Note: You may have to change the function, as I don't know the complete table structure.
share
|
improve this answer
|
follow
|
...
What is the Windows version of cron? [closed]
... the framerate for the entire computer down to 3fps while trying to load a table view of like 6 items
– Matt M.
Apr 14 '18 at 5:50
|
show 4 ...
What is the source code of the “this” module doing?
...e(26):
d[chr(i+c)] = chr((i+13) % 26 + c)
Builds the translation table, for both uppercase (this is what 65 is for) and lowercase (this is what 97 is for) chars.
print "".join([d.get(c, c) for c in s])
Prints the translated string.
...
jQuery .on('change', function() {} not triggering for dynamically created inputs
...f the dynamic part its after some div use that one, for example: $('#ajax_table').on('change', 'input', function() { ...
– Raul Gomez
Nov 15 '16 at 4:51
...