大约有 2,253 项符合查询结果(耗时:0.0302秒) [XML]

https://stackoverflow.com/ques... 

typecast string to integer - Postgres

...urther and restrict on this coalesced field such as, for example:- SELECT CAST(coalesce(<column>, '0') AS integer) as new_field from <table> where CAST(coalesce(<column>, '0') AS integer) >= 10; share...
https://stackoverflow.com/ques... 

Select n random rows from SQL Server table

...sOrderDetail table: SELECT * FROM Sales.SalesOrderDetail WHERE 0.01 >= CAST(CHECKSUM(NEWID(),SalesOrderID) & 0x7fffffff AS float) / CAST (0x7fffffff AS int) The SalesOrderID column is included in the CHECKSUM expression so that NEWID() evaluates once per row to achi...
https://stackoverflow.com/ques... 

How do I generate random number for each row in a TSQL Select?

...1.8b row table every day, so it was happening about once a week! Fix is to cast the checksum to bigint before the abs. – EvilPuppetMaster Jan 29 '16 at 1:11 ...
https://www.tsingfun.com/down/code/69.html 

tinyxml XML解析库下载(tinyxml2.h 和 tinyxml2.cpp) - 源码下载 - 清泛...

...InternedStr( const char* str ) { Reset(); _start = const_cast<char*>(str); } void SetStr( const char* str, int flags=0 ); char* ParseText( char* in, const char* endTag, int strFlags ); char* ParseName( char* in ); private: void Reset(); void Col...
https://stackoverflow.com/ques... 

Why cast an unused function parameter value to void?

... @Benoit what does casting to void actually do? Is its only function to show the compiler that you're intentionally ignoring something or does (void) actually do something and when the compiler sees it, it'll just count it as having done someth...
https://stackoverflow.com/ques... 

How to combine date from one field with time from another field - MS SQL Server

...oduced in SQL Server 2008. If you insist on adding, you can use Combined = CAST(MyDate AS DATETIME) + CAST(MyTime AS DATETIME) Edit2 regarding loss of precision in SQL Server 2008 and up (kudos to Martin Smith) Have a look at How to combine date and time to datetime2 in SQL Server? to prevent los...
https://stackoverflow.com/ques... 

How to convert a number to string and vice versa in C++

...ingstream with std::ostrstream. The latter is deprecated Use boost lexical cast. If you are not familiar with boost, it is a good idea to start with a small library like this lexical_cast. To download and install boost and its documentation go here. Although boost isn't in C++ standard many librarie...
https://stackoverflow.com/ques... 

Create a date from day month and year with T-SQL

... Assuming y, m, d are all int, how about: CAST(CAST(y AS varchar) + '-' + CAST(m AS varchar) + '-' + CAST(d AS varchar) AS DATETIME) Please see my other answer for SQL Server 2012 and above ...
https://stackoverflow.com/ques... 

How to negate a method reference predicate

... method reference. See @vlasec's answer below that shows how by explicitly casting the method reference to a Predicate and then converting it using the negate function. That is one way among a few other not too troublesome ways to do it. The opposite of this: Stream&lt;String&gt; s = ...; int empt...
https://stackoverflow.com/ques... 

How to get C# Enum description from value? [duplicate]

...The default underlying data type for an enum in C# is an int, you can just cast it. share | improve this answer | follow | ...