大约有 40,000 项符合查询结果(耗时:0.0385秒) [XML]

https://stackoverflow.com/ques... 

JavaScript is in array

... Try this: if(blockedTile.indexOf("118") != -1) { // element found } share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Determining complexity for recursive functions (Big O notation)

...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 would be much appreciated and would greatly h...
https://stackoverflow.com/ques... 

Remove querystring from URL

...")[0]; } EDIT @caub (originally @crl) suggested a simpler combo that works for both query string and hash (though it uses RegExp, in case anyone has a problem with that): function getPathFromUrl(url) { return url.split(/[?#]/)[0]; } ...
https://stackoverflow.com/ques... 

Why is MATLAB so fast in matrix multiplication?

I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication with MATLAB, 2048x2048 and even bigger matrices are almost instantly multiplied. ...
https://stackoverflow.com/ques... 

Why doesn't indexOf work on an array IE8?

The below function works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part. ...
https://stackoverflow.com/ques... 

Why does Lua have no “continue” statement?

I have been dealing a lot with Lua in the past few months, and I really like most of the features but I'm still missing something among those: ...
https://stackoverflow.com/ques... 

CSS Background Opacity [duplicate]

...convenient if they didn't. You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color. Example, 50% faded black background: <div style="background-color:rgba(0, 0, 0, 0.5);"> <div> Text added. </div&...
https://stackoverflow.com/ques... 

Most efficient way to store thousand telephone numbers

...t. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different method, determining k at the end to minimize the required space. We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how many phon...
https://stackoverflow.com/ques... 

How to convert a selection to lowercase or uppercase in Sublime Text

... From the Sublime Text docs for Windows/Linux: Keypress Command Ctrl + K, Ctrl + U Transform to Uppercase Ctrl + K, Ctrl + L Transform to Lowercase and for Mac: Keypress Command cmd + KU Transform to Uppercase cmd + KL Transform to Lowercase Als...
https://stackoverflow.com/ques... 

Split string using a newline delimiter with Python

...ou exactly that. >>> data = """a,b,c ... d,e,f ... g,h,i ... j,k,l""" >>> data.splitlines() ['a,b,c', 'd,e,f', 'g,h,i', 'j,k,l'] share | improve this answer | ...