大约有 47,000 项符合查询结果(耗时:0.0576秒) [XML]

https://stackoverflow.com/ques... 

Is there a way to detect if an image is blurry?

... Unless your image is cyclic, you will usually have sharp edges at the borders of the image that lead to very high frequencies – Niki Oct 14 '11 at 11:04 ...
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 you can get the data and content type...
https://stackoverflow.com/ques... 

How to set Java environment path in Ubuntu

I just installed JDK in Ubuntu with sudo apt-get install openjdk-6-jdk command, after the installation where's the Java bin directory located? And how can I set the environment path for that directory? I have little experience with Ubuntu, can anyone give some advice or suggest any good website ...
https://stackoverflow.com/ques... 

Equivalent C++ to Python generator pattern

...to signal termination In your trivial example, it's easy enough. Conceptually: struct State { unsigned i, j; }; State make(); void next(State&); bool isDone(State const&); Of course, we wrap this as a proper class: class PairSequence: // (implicit aliases) public std::iterat...
https://stackoverflow.com/ques... 

How to take the first N items from a generator or list in Python? [duplicate]

...imple syntax: array[start:stop:step] You can omit any parameter. These are all valid: array[start:], array[:stop], array[::step] Slicing a generator import itertools top5 = itertools.islice(my_list, 5) # grab the first five elements You can't slice a generator directly in Python. itertools.i...
https://stackoverflow.com/ques... 

How to find the Number of CPU Cores via .NET/C#?

...sical processors Number of cores Number of logical processors. These can all be different; in the case of a machine with 2 dual-core hyper-threading-enabled processors, there are 2 physical processors, 4 cores, and 8 logical processors. The number of logical processors is available through the En...
https://stackoverflow.com/ques... 

How to convert a Title to a URL slug in jQuery?

...on an app in CodeIgniter, and I am trying to make a field on a form dynamically generate the URL slug. What I'd like to do is remove the punctuation, convert it to lowercase, and replace the spaces with hyphens. So for example, Shane's Rib Shack would become shanes-rib-shack. ...
https://stackoverflow.com/ques... 

How do I format a string using a dictionary in python-3.x?

...3). In many languages, it is known as splat operator. In JavaScript, it's called spread operator. In python, there is no particular name given to this operator. – abhisekp Apr 15 '17 at 12:01 ...
https://stackoverflow.com/ques... 

What does a type followed by _t (underscore-t) represent?

... As Douglas Mayle noted, it basically denotes a type name. Consequently, you would be ill-advised to end variable or function names with '_t' since it could cause some confusion. As well as size_t, the C89 standard defines wchar_t, off_t, ptrdiff_t, and p...
https://stackoverflow.com/ques... 

How can I search for a multiline pattern in a file?

I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep : ...