大约有 18,400 项符合查询结果(耗时:0.0356秒) [XML]

https://stackoverflow.com/ques... 

How do I execute a stored procedure once for each row returned by query?

... a stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...
https://stackoverflow.com/ques... 

What is “callback hell” and how and why does RX solve it?

...is other question has some examples of Javascript callback hell: How to avoid long nesting of asynchronous functions in Node.js The problem in Javascript is that the only way to "freeze" a computation and have the "rest of it" execute latter (asynchronously) is to put "the rest of it" inside a call...
https://stackoverflow.com/ques... 

How to load external webpage inside WebView

My problem is that the webpage is not loaded inside the webview. 13 Answers 13 ...
https://stackoverflow.com/ques... 

Posting a File and Associated Data to a RESTful WebService preferably as JSON

This is probably going to be a stupid question but I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. ...
https://stackoverflow.com/ques... 

Django optional url parameters

...iews.foo), url(r'^project_config/(?P<product>\w+)/(?P<project_id>\w+)/$', views.foo), ) Keep in mind that in your view you'll also need to set a default for the optional URL parameter, or you'll get an error: def foo(request, optional_parameter=''): # Your code goes here ...
https://stackoverflow.com/ques... 

Dynamically adding a form to a Django formset with Ajax

...gt; </div> {% endfor %} <input type="button" value="Add More" id="add_more"> <script> $('#add_more').click(function() { cloneMore('div.table:last', 'service'); }); </script> In a javascript file: function cloneMore(selector, type) { var newElement =...
https://stackoverflow.com/ques... 

ASP.NET MVC passing an ID in an ActionLink to the controller

I can't see to retrieve an ID I'm sending in a html.ActionLink in my controller, here is what I'm trying to do 5 Answers ...
https://stackoverflow.com/ques... 

How do I add a foreign key to an existing SQLite table?

...child ADD CONSTRAINT fk_child_parent FOREIGN KEY (parent_id) REFERENCES parent(id); SQLite doesn't support the ADD CONSTRAINT variant of the ALTER TABLE command (sqlite.org: SQL Features That SQLite Does Not Implement). Therefore, the only way to add a foreig...
https://stackoverflow.com/ques... 

A migration to add unique constraint to a combination of columns

... The problem with the model level validation is that it doesn't scale. Two servers could run the same data through at the same time (like a double tap on an api heavy app) I have two identical records in my DB right now and the model has the validation.. ...
https://stackoverflow.com/ques... 

WiX tricks and tips

...ion. For example, if a user sets custom install directory. <Property Id="INSTALLLOCATION"> <RegistrySearch Id="RegistrySearch" Type="raw" Root="HKLM" Win64="$(var.Win64)" Key="Software\Company\Product" Name="InstallLocation" /> </Property> Note: WiX guru Rob...