大约有 41,000 项符合查询结果(耗时:0.0476秒) [XML]

https://stackoverflow.com/ques... 

Insert the carriage return character in vim

...tored a file in Unix ( \n newlines). I need to insert the carriage return character ( U+000D aka \r ). When I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ). ...
https://stackoverflow.com/ques... 

mysql -> insert into tbl (select from another table) and some default values [duplicate]

As the title says, I am trying to insert into one table selecting values from another table and some default values. 5 Ans...
https://stackoverflow.com/ques... 

Create a temporary table in a SELECT statement without a separate CREATE TABLE

Is it possible to create a temporary (session only) table from a select statement without using a create table statement and specifying each column type? I know derived tables are capable of this, but those are super-temporary (statement-only) and I want to re-use. ...
https://stackoverflow.com/ques... 

postgresql - sql - count of `true` values

... SELECT COALESCE(sum(CASE WHEN myCol THEN 1 ELSE 0 END),0) FROM <table name> or, as you found out for yourself: SELECT count(CASE WHEN myCol THEN 1 END) FROM <table name> ...
https://stackoverflow.com/ques... 

select count(*) from table of mysql in php

...s keyword in order to call it from mysql_fetch_assoc $result=mysql_query("SELECT count(*) as total from Students"); $data=mysql_fetch_assoc($result); echo $data['total']; share | improve this answ...
https://stackoverflow.com/ques... 

Using LIMIT within GROUP BY to get N results per group?

...to get all years into a single column, grouped by id and ordered by rate: SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year FROM yourtable GROUP BY id Result: ----------------------------------------------------------- | ID | GROUPED_YEAR |...
https://stackoverflow.com/ques... 

How do I iterate through the alphabet?

In Python, could I simply ++ a char? What is an efficient way of doing this? 2 Answers ...
https://stackoverflow.com/ques... 

Becoming better at Vim [closed]

...nsciously use it as a navigation tool. The searches [/, ?] and the inline char based searc
https://stackoverflow.com/ques... 

How to set Sqlite3 to be case insensitive when string comparing?

I want to select records from sqlite3 database by string matching. But if I use '=' in the where clause, I found that sqlite3 is case sensitive. Can anyone tell me how to use string comparing case-insensitive? ...
https://stackoverflow.com/ques... 

Include headers when using SELECT INTO OUTFILE?

... You'd have to hard code those headers yourself. Something like: SELECT 'ColName1', 'ColName2', 'ColName3' UNION ALL SELECT ColName1, ColName2, ColName3 FROM YourTable INTO OUTFILE '/path/outfile' share ...