大约有 44,000 项符合查询结果(耗时:0.0295秒) [XML]

https://stackoverflow.com/ques... 

Remove Trailing Spaces and Update in Columns in SQL Server

... Try SELECT LTRIM(RTRIM('Amit Tech Corp ')) LTRIM - removes any leading spaces from left side of string RTRIM - removes any spaces from right Ex: update table set CompanyName = LTRIM(RTRIM(CompanyName)) ...
https://stackoverflow.com/ques... 

How do I concatenate const/literal strings in C?

...hing const char *qry = // include comments in a string " SELECT * " // get all fields " FROM " SCHEMA "." TABLE /* the table */ " WHERE x = 1 " /* the filter */ ; ...
https://stackoverflow.com/ques... 

IEnumerable to string [duplicate]

...urer sequence, rather than a cast. Something like Enumerable.Range(65, 26).Select(i => (char)i);, this should avoid the chance for an optimized shortcut. – Jodrell Oct 28 '13 at 9:39 ...
https://stackoverflow.com/ques... 

Why do we need fibers

... each. Think about it: normally all the Enumerable methods, including map, select, include?, inject, and so on, all work on the elements yielded by each. But what if an object has other iterators other than each? irb(main):001:0> "Hello".chars.select { |c| c =~ /[A-Z]/ } => ["H"] irb(main):00...
https://stackoverflow.com/ques... 

Storing Data in MySQL as JSON

... statement, including WHERE, ORDER BY, and GROUP BY clauses. This includes SELECT, UPDATE, DELETE, CREATE TABLE, and other SQL statements. The left hand side must be a JSON column identifier (and not an alias). The right hand side is a quoted JSON path expression which is evaluated against the JSON ...
https://stackoverflow.com/ques... 

clearing a char array c

... FYI - indent code by 4 spaces or select it and hit the 'code' button, which looks like two lines of binary. – user229044♦ Dec 10 '10 at 20:46 ...
https://stackoverflow.com/ques... 

How do I split a string so I can access item x?

...0, PATINDEX('%|%', @products)) SELECT @individual SET @products = SUBSTRING(@products, LEN(@individual + '|') + 1, LEN(@products)) END ELSE BEGIN SET @individu...
https://stackoverflow.com/ques... 

When should I use malloc in C and when don't I?

...y, but of course you don't know the file's size in advance, since the user selects the file on the spot, at runtime. So basically you need malloc when you don't know the size of the data you're working with in advance. At least that's one of the main reasons for using malloc. In your example with a ...
https://stackoverflow.com/ques... 

How to use GROUP BY to concatenate strings in MySQL?

... SELECT id, GROUP_CONCAT(name SEPARATOR ' ') FROM table GROUP BY id; http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat From the link above, GROUP_CONCAT: This function returns a string res...
https://stackoverflow.com/ques... 

Exact difference between CharSequence and String in java [duplicate]

...SR 378 again… Using "one-dimensional" string literals. String query = "SELECT \"EMP_ID\", \"LAST_NAME\" FROM \"EMPLOYEE_TB\"\n" + "WHERE \"CITY\" = 'INDIANAPOLIS'\n" + "ORDER BY \"EMP_ID\", \"LAST_NAME\";\n"; Using a "two-dimensional" block of text String query =...