大约有 47,000 项符合查询结果(耗时:0.0571秒) [XML]

https://stackoverflow.com/ques... 

Rails raw SQL example

How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql. ...
https://stackoverflow.com/ques... 

Core dumped, but core file is not in the current directory?

While running a C program, It says "(core dumped)" but I can't see any files under the current path. 12 Answers ...
https://stackoverflow.com/ques... 

Disable pasting text into HTML form

Is there a way using JavaScript to disable the ability to paste text into a text field on an HTML form? 23 Answers ...
https://stackoverflow.com/ques... 

Django get the static files URL in view

I'm using reportlab pdfgen to create a PDF. In the PDF there is an image created by drawImage . For this I either need the URL to an image or the path to an image in the view. I managed to build the URL but how would I get the local path to the image? ...
https://stackoverflow.com/ques... 

“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si

I'm under osx 10.8.4 and have installed gdb 7.5.1 with homebrew (motivation get a new gdb with new features such as --with-python etc... ) ...
https://stackoverflow.com/ques... 

What's the difference between session.Merge and session.SaveOrUpdate?

I notice sometimes with my parent/child objects or many-to-many relationships, I need to call either SaveOrUpdate or Merge . Usually, when I need to call SaveOrUpdate , the exception I get on calling Merge has to do with transient objects not being saved first. ...
https://stackoverflow.com/ques... 

Download and open PDF file using Ajax

I have an action class that generates a PDF. The contentType is set appropriately. 15 Answers ...
https://stackoverflow.com/ques... 

How to force a Solution file (SLN) to be opened in Visual Studio 2013?

Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead. ...
https://stackoverflow.com/ques... 

Extract filename and extension in Bash

I want to get the filename (without extension) and the extension separately. 37 Answers ...
https://stackoverflow.com/ques... 

Concatenate a vector of strings/character

If I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() : ...