大约有 31,400 项符合查询结果(耗时:0.0497秒) [XML]

https://stackoverflow.com/ques... 

“Inner exception” (with traceback) in Python?

...recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python? ...
https://stackoverflow.com/ques... 

Identity increment is jumping in SQL Server database

... since SQL Server 2012. It now by default uses a cache size of 1,000 when allocating IDENTITY values for an int column and restarting the service can "lose" unused values (The cache size is 10,000 for bigint/numeric). This is mentioned in the documentation SQL Server might cache identity valu...
https://stackoverflow.com/ques... 

How to change the Content of a with Javascript

...extarea" name="something">This text gets removed</textarea> For all the downvoters and non-believers: Here's the MSDN reference value Property: Retrieves or sets the text in the entry field of the textArea element. Here's the MDN reference value DOMString The raw value cont...
https://stackoverflow.com/ques... 

Why doesn't C have unsigned floats?

... answer to that is that there was no unsigned float standard defined originally. Since languages like to be backwards compatible, even if it were added languages couldn't make use of it. To see the floating point spec you should look at the IEEE standard 754 Floating-Point. You can get around not...
https://stackoverflow.com/ques... 

What is the difference between HTTP status code 200 (cache) vs status code 304?

...est off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. This eliminates the need for any request to be made unless the asset ...
https://stackoverflow.com/ques... 

What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
https://stackoverflow.com/ques... 

Viewing a Deleted File in Git

... my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this? 3 Answers ...
https://stackoverflow.com/ques... 

Cross-platform way of getting temp directory in Python

...d() # reads data back from the file f.close() # temporary file is automatically deleted here For completeness, here's how it searches for the temporary directory, according to the documentation: The directory named by the TMPDIR environment variable. The directory named by the TEMP environment v...
https://stackoverflow.com/ques... 

CSS - Overflow: Scroll; - Always show vertical scroll bar?

... 4em and scroll to show the rest */ } #child { height: 12em; /* taller than the parent to force scrolling */ } /* === ignore stuff below, it's just to help with the visual. === */ #container { background-color: #ffc; } #child { margin: 30px; background-color: #eee; ...
https://stackoverflow.com/ques... 

gitignore does not ignore folder

...der. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore : ...