大约有 41,000 项符合查询结果(耗时:0.0433秒) [XML]

https://stackoverflow.com/ques... 

Why would someone use WHERE 1=1 AND in a SQL clause?

...mple code to Greg's answer: dim sqlstmt as new StringBuilder sqlstmt.add("SELECT * FROM Products") sqlstmt.add(" WHERE 1=1") ''// From now on you don't have to worry if you must ''// append AND or WHERE because you know the WHERE is there If ProductCategoryID <> 0 then sqlstmt.AppendForm...
https://stackoverflow.com/ques... 

Select tableview row programmatically

How do I programmatically select a UITableView row so that 7 Answers 7 ...
https://stackoverflow.com/ques... 

Any gotchas using unicode_literals in Python 2.6?

..., the clearer the code is, since what you want is to manipulate strings of characters, not arrays of bytes with an externally implied encoding. – Eric O Lebigot Sep 3 '10 at 12:35 ...
https://stackoverflow.com/ques... 

Xcode iOS project only shows “My Mac 64-bit” but not simulator or device

...duct->Scheme->Edit Scheme...), and for some reason no executable was selected. I chose my app, saved and now I have my simulator and device options back. share | improve this answer |...
https://stackoverflow.com/ques... 

How to automatically select all text on focus in WPF TextBox?

If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released. ...
https://stackoverflow.com/ques... 

Git in Visual Studio - add existing project?

... Just right click on your solution and select Add to source control. Then select Git. Now your projects has been added to a local source control. Right click on one of your files and select Commit. Then enter a commit message and select Commit. Then select Sync ...
https://stackoverflow.com/ques... 

How to avoid the “divide by zero” error in SQL?

...rder to avoid a "Division by zero" error we have programmed it like this: Select Case when divisor=0 then null Else dividend / divisor End ,,, But here is a much nicer way of doing it: Select dividend / NULLIF(divisor, 0) ... Now the only problem is to remember the NullIf bit, if I use the "/"...
https://stackoverflow.com/ques... 

Is there a MySQL command to convert a string to lowercase?

...nction is LOWER() or LCASE() (they both do the same thing). For example: select LOWER(keyword) from my_table share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

Get names of all files from a folder with Ruby

...ng subdirectories and ".", ".." dotted folders: Dir.entries("your/folder").select { |f| File.file? File.join("your/folder", f) } share | improve this answer | follow ...