大约有 45,000 项符合查询结果(耗时:0.0417秒) [XML]

https://stackoverflow.com/ques... 

Sleep Command in T-SQL?

...(@hours * 60) * 60)) - (@mins * 60) IF @hours > 23 BEGIN select @hours = 23 select @mins = 59 select @secs = 59 -- 'maximum wait time is 23 hours, 59 minutes and 59 seconds.' END declare @sql nvarchar(24) = 'WAITFOR DELAY '+char(39)+cast(@hours as nvarchar(2))...
https://stackoverflow.com/ques... 

What is cardinality in MySQL?

...ow cardinality column with only 2 possible values as the index will not be selective enough to be used. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Initializing a static std::map in C++

... This is a fantastic answer. It's a shame the OP never selected one. You deserve mega props. – Thomas Thorogood Sep 26 '12 at 18:26 ...
https://stackoverflow.com/ques... 

MySQL Results as comma separated list

... You can use GROUP_CONCAT to perform that, e.g. something like SELECT p.id, p.name, GROUP_CONCAT(s.name) AS site_list FROM sites s INNER JOIN publications p ON(s.id = p.site_id) GROUP BY p.id, p.name; share ...
https://stackoverflow.com/ques... 

How to get all child inputs of a div element (jQuery)

... Now I'm confused... The : is for pseudo-classes, isn't it? But we want to select an element type. Why the :? – mnemosyn Mar 8 '10 at 16:15 11 ...
https://stackoverflow.com/ques... 

How do I remove diacritics (accents) from a string in .NET?

...gory(c) where uc != UnicodeCategory.NonSpacingMark select c; var cleanStr = new string(chars.ToArray()).Normalize(NormalizationForm.FormC); return cleanStr; } // or, alternatively public static string RemoveDiacriti
https://stackoverflow.com/ques... 

How to import CSV file data into a PostgreSQL table?

...iter '','' quote ''"'' csv ', csv_path); iter := 1; col_first := (select col_1 from temp_table limit 1); -- update the column names based on the first row which has the column names for col in execute format('select unnest(string_to_array(trim(temp_table::text, ''()''), '','')) fro...
https://stackoverflow.com/ques... 

Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?

... You can check the currently running transactions with SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started` Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...
https://stackoverflow.com/ques... 

How to do a regular expression replace in MySQL?

...ositions and perform substring substitution and extraction, respectively. SELECT REGEXP_REPLACE('Stackoverflow','[A-Zf]','-',1,0,'c'); -- Output: -tackover-low DBFiddle Demo share | improve this ...
https://stackoverflow.com/ques... 

How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?

... $("#text").val(); // value = 9.61 use $("#text").text() if you are not on select box... value = value.replace(".", ":"); // value = 9:61 // can then use it as $("#anothertext").val(value); Updated to reflect to current version of jQuery. And also there are a lot of answers here that would best ...