大约有 43,000 项符合查询结果(耗时:0.0342秒) [XML]

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How do I safely pass objects, especially STL objects, to and from a DLL?

...ply specific packing. The compiler will still apply default packing if you select a pack value bigger than the one the compiler would have chosen, so if you pick a large packing value, a class can still have different packing between compilers. The solution for this is to use #pragma pack(1), which ...
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Visual Studio : short cut Key : Duplicate Line

...ure is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu: See this reference for more information. Pre VS2017, built-in method using clipboard As @cand mentioned, you ca...
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SQL Call Stored Procedure for each Row without using a cursor

...rate over all customers WHILE (1 = 1) BEGIN -- Get next customerId SELECT TOP 1 @CustomerID = CustomerID FROM Sales.Customer WHERE CustomerID > @CustomerId ORDER BY CustomerID -- Exit loop if no more customers IF @@ROWCOUNT = 0 BREAK; -- call your sproc EXEC dbo.YOURSPROC...
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Convert Datetime column from UTC to local time in select statement

I'm doing a few SQL select queries and would like to convert my UTC datetime column into local time to be displayed as local time in my query results. Note, I am NOT looking to do this conversion via code but rather when I am doing manual and random SQL queries against my databases. ...
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Sublime - delete all lines containing specific value

...e got stuck for several minutes when I did Ctrl+Shift+K with 200,000 lines selected. – Przemek D Aug 28 '17 at 11:43 I...
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MySQL Error 1215: Cannot add foreign key constraint

... It could also be that the character set is different. I hade this problem where one column had the utf8 character set while the other had latin1. Easily fixed with ALTER TABLE Table CHARACTER SET = utf8 ; and ALTER TABLE Device CHANGE COLUMN ID ID CHA...
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How to generate the “create table” sql statement for an existing table in postgreSQL

... text; column_record record; BEGIN FOR column_record IN SELECT b.nspname as schema_name, b.relname as table_name, a.attname as column_name, pg_catalog.format_type(a.atttypid, a.atttypmod) as column_type, CASE WHEN ...
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Inserting data into a temporary table

... INSERT INTO #TempTable (ID, Date, Name) SELECT id, date, name FROM physical_table share | improve this answer | follow | ...
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How to get equal width of input and select fields

On the form, I have one select and two input fields. These elements are vertically aligned. Unfortunately, I can't get equal width of these elements. ...
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How do I find the location of the executable in C? [duplicate]

...eir tracks, then execl("/home/hacker/.hidden/malicious", "/bin/ls", "-s", (char *)0); leaves argv[0] with an absolute pathname that has nothing whatsoever to do with the name of the file executed. The other information is useful, though; thanks. – Jonathan Leffler ...