大约有 5,887 项符合查询结果(耗时:0.0214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$age)
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ASP.NET Identity DbContext confusion
...hy is Asp.Net Identity IdentityDbContext a Black-Box?
How can I change the table names when using Visual Studio 2013 AspNet Identity?
Merge MyDbContext with IdentityDbContext"
To answer to all of these questions we need to understand that IdentityDbContext is just a class inherited from DbContext.
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Real escape string and PDO [duplicate]
...WHERE username = '".$conn->quote($username)."'";, the queries will inevitably fail.
– user1669496
Jun 11 '14 at 18:05
12
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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?
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@Јοеу: #pragma once is not portable; the common #ifndef idiom is recommended.
– Keith Thompson
Aug 24 '13 at 19:45
2
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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
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JSON.stringify output to div in pretty print way
...his one https://github.com/padolsey/prettyprint.js to output it as an HTML table.
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How to make a query with group_concat in sql server [duplicate]
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Note: You may have to change the function, as I don't know the complete table structure.
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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
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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.
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