大约有 32,294 项符合查询结果(耗时:0.0509秒) [XML]

https://stackoverflow.com/ques... 

Make HTML5 video poster be same size as video itself

... Depending on what browsers you're targeting, you could go for the object-fit property to solve this: object-fit: cover; or maybe fill is what you're looking for. Still under consideration for IE. ...
https://stackoverflow.com/ques... 

How to make a valid Windows filename from an arbitrary string?

... Also, for what it's worth, you can not create a filename starting with one of these reserved names, followed by a decimal. i.e. con.air.avi – John Conrad Mar 6 '09 at 23:00 ...
https://stackoverflow.com/ques... 

Distributed sequence number generation?

...eria (typically generation time). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way of doing this in a distributed, high-scale manner. You could look into things like network broadcasts, windowed ranges for each worker, ...
https://stackoverflow.com/ques... 

NoSql vs Relational database

...re machines provides the speed and the redundancy. Everyone else realizes what Google just did. Brewers CAP theorem is proven. All RDBMS systems of use are CA systems. People begin playing with CP and AP systems as well. K/V stores are vastly simpler, so they are the primary vehicle for the resear...
https://stackoverflow.com/ques... 

Django Forms: if not valid, show form with error message

... What if I don't have a view.. e.g. using a standard admin form within the CMS. For example on a UNIQUE constraint failed: exception? – geoidesic Apr 5 '18 at 14:06 ...
https://stackoverflow.com/ques... 

Quickly reading very large tables as dataframes

... I don't know what's wrong with sqldf. I've created a simple 1GB file on disk (with 2 numerical columns) and used DTSQL <- read.csv.sql("f2.txt",dbname=tempfile()) and it tries to load the whole data on memory. Tomorrow I'll try ff an...
https://stackoverflow.com/ques... 

How do I get time of a Python program's execution?

... I recommend doing round(time.time() - start_time, 2) (or whatever decimal you want), I was getting scientific numbers back like 1.24e-5. – ThorSummoner Feb 6 '15 at 17:49 ...
https://stackoverflow.com/ques... 

RSS Feeds in ASP.NET MVC

... Here is what I recommend: Create a class called RssResult that inherits off the abstract base class ActionResult. Override the ExecuteResult method. ExecuteResult has the ControllerContext passed to it by the caller and with this y...
https://stackoverflow.com/ques... 

Learning Regular Expressions [closed]

...matched from 'Hello' all the way through 'you?'. To switch from greedy to what you might think of as cautious, add an extra ? to the quantifier. Now you understand how \((.+?)\), the example from your question works. It matches the sequence of a literal left-parenthesis, followed by one or more cha...
https://stackoverflow.com/ques... 

Git SSH error: “Connect to host: Bad file number”

...vant. If you focus on it you'll waste your time as it is not a hint about what the actual problem is, just an effect of running git's ssh on Windows. It's not even a sign that the git or ssh install or configuration is wrong. Really, ignore it. The very same command on Linux produced instead thi...