大约有 47,000 项符合查询结果(耗时:0.0669秒) [XML]

https://stackoverflow.com/ques... 

How can I add an item to a SelectList in ASP.net MVC

Basically I am looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" ...
https://stackoverflow.com/ques... 

How can I select the first day of a month in SQL?

I just need to select the first day of the month of a given datetime variable. 30 Answers ...
https://stackoverflow.com/ques... 

Error 1046 No database Selected, how to resolve?

...ation. If you're trying to do this via MySQL Workbench... ...you need to select the appropriate database/catalog in the drop down menu found above the :Object Browser: tab. You can specify the default schema/database/catalog for the connection - click the "Manage Connections" options under the SQL...
https://stackoverflow.com/ques... 

Easiest way to copy a table from one database to another?

... CREATE TABLE db1.table1 SELECT * FROM db2.table1 where db1 is the destination and db2 is the source share | improve this answer | ...
https://stackoverflow.com/ques... 

Search text in fields in every table of a MySQL database

... If you have phpMyAdmin installed use its 'Search' feature. Select your DB Be sure you do have a DB selected (i.e. not a table, otherwise you'll get a completely different search dialog) Click 'Search' tab Choose the search term you want Choose the tables to search I have used this ...
https://stackoverflow.com/ques... 

form serialize javascript (no framework)

... Here is pure JavaScript approach: var form = document.querySelector('form'); var data = new FormData(form); var req = new XMLHttpRequest(); req.send(data); Though it seems to be working only for POST requests. https://developer.mozilla.org/en-US/docs/Web/API/FormData ...
https://stackoverflow.com/ques... 

how to implement regions/code collapse in javascript

....Collections Public Module JsMacros Sub OutlineRegions() Dim selection As EnvDTE.TextSelection = DTE.ActiveDocument.Selection Const REGION_START As String = "//#region" Const REGION_END As String = "//#endregion" selection.SelectAll() Dim text As Strin...
https://stackoverflow.com/ques... 

How to get ID of the last updated row in MySQL?

...) SET @update_id := 0; UPDATE some_table SET column_name = 'value', id = (SELECT @update_id := id) WHERE some_other_column = 'blah' LIMIT 1; SELECT @update_id; EDIT by aefxx This technique can be further expanded to retrieve the ID of every row affected by an update statement: SET @uids := nul...
https://stackoverflow.com/ques... 

How to specify a editor to open crontab file? “export EDITOR=vi” does not work

... 13.04 installation) try: There are a number of alternative ways: 1) Run select-editor select-editor 2) Manually edit the file: ~/.selected_editor specifying your preferred editor. With this option you can specify editor parameters. # Generated by /usr/bin/select-editor SELECTED_EDITOR="/usr/...
https://stackoverflow.com/ques... 

Linq: adding conditions to the where clause conditionally

... && u.Age > 18 && u.Height > strHeightinFeet select u; if (useAge) query = query.Where(u => u.Age > age); if (useHeight) query = query.Where(u => u.Height > strHeightinFeet); // Build the results at the end var results = query.Select(u => new DTO...