大约有 42,000 项符合查询结果(耗时:0.0565秒) [XML]

https://stackoverflow.com/ques... 

Determining complexity for recursive functions (Big O notation)

I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...
https://stackoverflow.com/ques... 

Force “git push” to overwrite remote files

I want to push my local files, and have them on a remote repo, without having to deal with merge conflicts. I just want my local version to have priority over the remote one. ...
https://stackoverflow.com/ques... 

Using “super” in C++

... Bjarne Stroustrup mentions in Design and Evolution of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized. Dag Bruck proposed this extension, calling the base class "inherited." The proposal mention...
https://stackoverflow.com/ques... 

What's the difference between '$(this)' and 'this'?

...the first element. $("#myDiv")[0] === document.getElementById("myDiv"); And so on... share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

The 3 different equals

What is the difference between = , == , and === ? 5 Answers 5 ...
https://stackoverflow.com/ques... 

@Media min-width & max-width

...ult CSS for the older browsers, as older browsers including i.e. 5.5, 6, 7 and 8. Can't read @media. When I use @media I use it like this: <style type="text/css"> /* default styles here for older browsers. I tend to go for a 600px - 960px width max but using percentages */ ...
https://stackoverflow.com/ques... 

Beyond Stack Sampling: C++ Profilers

The date is 12/02/10. The days before Christmas are dripping away and I've pretty much hit a major road block as a windows programmer. I've been using AQTime, I've tried sleepy, shiny, and very sleepy, and as we speak, VTune is installing. I've tried to use the VS2008 profiler, and it's been posi...
https://stackoverflow.com/ques... 

What is the reason not to use select *?

...The essence of the quote of not prematurely optimizing is to go for simple and straightforward code and then use a profiler to point out the hot spots, which you can then optimize to be efficient. When you use select * you're make it impossible to profile, therefore you're not writing clear & s...
https://stackoverflow.com/ques... 

Prevent errors from breaking / crashing gulp watch

I'm running gulp 3.6.2 and have the following task that was set up from a sample online 8 Answers ...
https://stackoverflow.com/ques... 

difference between primary key and unique key

I'm using mysql database. I have a confusion between primary key and unique key. 15 Answers ...