大约有 47,000 项符合查询结果(耗时:0.0388秒) [XML]

https://stackoverflow.com/ques... 

Selecting pandas column by location

...ed in future versions. See pandas.pydata.org/pandas-docs/dev/… on how to select by position using iloc/iat. – Wouter Overmeire Apr 12 '13 at 10:04 1 ...
https://stackoverflow.com/ques... 

Detecting Unsaved Changes

...(function(){ _isDirty = true; }); // replicate for other input types and selects Combine with onunload/onbeforeunload methods as required. From the comments, the following references all input fields, without duplicating code: $(':input').change(function () { Using $(":input") refers to all ...
https://stackoverflow.com/ques... 

SQLAlchemy IN clause

...3,456))).all() edit: Without the ORM, it would be session.execute( select( [MyUserTable.c.id, MyUserTable.c.name], MyUserTable.c.id.in_((123, 456)) ) ).fetchall() select() takes two parameters, the first one is a list of fields to retrieve, the second one is the where ...
https://stackoverflow.com/ques... 

Visual Studio: How to break on handled exceptions?

...the VS2010 environement, by going to "Tools", "Import Export Settings" and select a reset to the C# environment... it contains the Exceptions Submenu item – BeardinaSuit Feb 14 '12 at 16:28 ...
https://stackoverflow.com/ques... 

Open file dialog and select a file using WPF controls and C#

...y files to search only for image files (type jpg, png, bmp...). And when I select an image file and click Ok in the file dialog I want the file directory to be written in the textbox1.text like this: ...
https://stackoverflow.com/ques... 

How do I do multiple CASE WHEN conditions using SQL Server 2008?

... Just use this one, You have to use more when they are classes. SELECT Url='', p.ArtNo, p.[Description], p.Specification, CASE WHEN 1 = 1 or 1 = 1 THEN 1 WHEN 2 = 2 THEN 2 WHEN 3 = 3 ...
https://stackoverflow.com/ques... 

add column to mysql table if it does not exist

...rade_database_1_0_to_2_0() BEGIN -- rename a table safely IF NOT EXISTS( (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() AND TABLE_NAME='my_old_table_name') ) THEN RENAME TABLE my_old_table_name TO my_new_table_name, END IF; -- add a column safely IF NO...
https://stackoverflow.com/ques... 

How would you do a “not in” query with LINQ?

...from c in dc.Customers where !(from o in dc.Orders select o.CustomerID) .Contains(c.CustomerID) select c; foreach (var c in query) Console.WriteLine( c ); from The NOT IN clause in LINQ to SQL by Marco Russo ...
https://stackoverflow.com/ques... 

Convert Linq Query Result to Dictionary

... @pawan - that doesn't look right. I'd expect var servers = list.Select( s => new { s.ProjectName, Url = "tcp://" + s.BuildMachineName + ":" + s.PortNumber + "/CruiseManager.rem" } ).ToDictionary( s => s.ProjectName, s.Url ); This creates a dictionary keyed by project name of projec...
https://stackoverflow.com/ques... 

How do I create a PDO parameterized query with a LIKE statement?

... Figured it out right after I posted: $query = $database->prepare('SELECT * FROM table WHERE column LIKE ?'); $query->execute(array('value%')); while ($results = $query->fetch()) { echo $results['column']; } ...