大约有 45,061 项符合查询结果(耗时:0.0464秒) [XML]

https://stackoverflow.com/ques... 

How is __eq__ handled in Python and in what order?

Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call? 3...
https://stackoverflow.com/ques... 

How can I produce an effect similar to the iOS 7 blur view?

... Why bother replicating the effect? Just draw a UIToolbar behind your view. myView.backgroundColor = [UIColor clearColor]; UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFrame:myView.frame]; bgToolbar.barStyle = UIBarStyleDefault; [myView.superview insertSubview:bgToolb...
https://stackoverflow.com/ques... 

Convert string to variable name in JavaScript

... If it's a global variable then window[variableName] or in your case window["onlyVideo"] should do the trick. share | improve t...
https://stackoverflow.com/ques... 

javac option to compile all java files under a given directory recursively

...build tool (Ant or Maven, Ant is already suggested and is easier to start with) or an IDE that handles the compilation (Eclipse uses incremental compilation with reconciling strategy, and you don't even have to care to press any "Compile" buttons). Using Javac If you need to try something out for a ...
https://stackoverflow.com/ques... 

In MySQL, can I copy one row to insert into the same table?

..., I want to duplicate an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns. ...
https://stackoverflow.com/ques... 

Why does “pip install” inside Python raise a SyntaxError?

... pip is run from the command line, not the Python interpreter. It is a program that installs modules, so you can use them from Python. Once you have installed the module, then you can open the Python shell and do import selenium. The Python shell is not a command line, it is an interact...
https://stackoverflow.com/ques... 

Remove last character from C++ string

... string is called "myString" which gives to the confusion, in the question it is "st". Your code should be: st = st.substr(0, st.size()-1). But it still doesn't look the right way, I think that the proper way is to use the function that is intended for this task, it's called erase() and the code is:...
https://stackoverflow.com/ques... 

n-grams in python, four, five, six grams?

I'm looking for a way to split a text into n-grams. Normally I would do something like: 15 Answers ...
https://stackoverflow.com/ques... 

Quickly find whether a value is present in a C array?

I have an embedded application with a time-critical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case. ...
https://stackoverflow.com/ques... 

Which is better option to use for dividing an integer number by 2?

...t you are trying to do. If you are treating the number as a sequence of bits, use bitshift. If you are treating it as a numerical value, use division. Note that they are not exactly equivalent. They can give different results for negative integers. For example: -5 / 2 = -2 -5 >> 1 = -3 ...