大约有 30,000 项符合查询结果（耗时：0.0556秒） [XML]
Why do you need to create a cursor when querying a sqlite database?
...mple c.execute('''SELECT * FROM users''') returns an iterator that you can call fetchall() on (or another cursor method). Some SQL queries return empty iterators, but that should be expected, not surprising.
– Powers
Sep 15 at 21:33
...
jQuery - select all text from a textarea
...s around a problem in Chrome that prevents the simplest version (i.e. just calling the textarea's select() method in a focus event handler) from working.
jsFiddle: http://jsfiddle.net/NM62A/
Code:
<textarea id="foo">Some text</textarea>
<script type="text/javascript">
var t...
T-SQL get SELECTed value of stored procedure
... MyTable WHERE MyPrimaryKeyField = @Param
RETURN @ReturnValue
GO
and now call your procedure like:
DECLARE @SelectedValue int
,@Param int
SET @Param=1
EXEC @SelectedValue = GetMyInt @Param
PRINT @SelectedValue
this will only work for INTs, because RETURN can only return a single ...
What are the best practices for using Assembly Attributes?
...
We're using a global file called GlobalAssemblyInfo.cs and a local one called AssemblyInfo.cs. The global file contains the following attributes:
[assembly: AssemblyProduct("Your Product Name")]
[assembly: AssemblyCompany("Your Company")]
[assemb...
Convert XmlDocument to String
...riter.aspx) that the elements and attributes will not be written until you call the Close method of the XmlWriter.
– TonE
Aug 23 '11 at 14:47
...
What is The difference between ListBox and ListView
...
A ListView is basically like a ListBox (and inherits from it), but it also has a View property. This property allows you to specify a predefined way of displaying the items. The only predefined view in the BCL (Base Class Library) is GridView,...
How useful/important is REST HATEOAS ( maturity level 3)?
...stakingly sniffed web traffic, read HTML pages, etc. to find what links to call when and with what payloads.
And as soon as Amazon changed their internal processes and URL structure, those hard coded clients failed -- because the links broke.
Yet, the casual web surfers were able to shop all day l...
How does database indexing work? [closed]
... by the database to find the rows with the name ‘Abc’. This is what is called a full table scan
How a database index can help performance
The whole point of having an index is to speed
Getting All Variables In Scope
...es are determined by the "scope chain", which is not accessible programmatically.
For detail (quite a lot of it), check out the ECMAScript (JavaScript) specification. Here's a link to the official page where you can download the canonical spec (a PDF), and here's one to the official, linkable HTML ...
Pass correct “this” context to setTimeout callback?
How do I pass context into setTimeout ? I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that?
...