大约有 42,000 项符合查询结果(耗时:0.0801秒) [XML]

https://stackoverflow.com/ques... 

How to grep Git commit diffs or contents for a certain word?

.... To illustrate the difference between -S<regex> --pickaxe-regex and -G<regex>, consider a commit with the following diff in the same file: + return !regexec(regexp, two->ptr, 1, &regmatch, 0); ... - hit = !regexec(regexp, mf2.ptr, 1, &regmatch, 0); While git ...
https://stackoverflow.com/ques... 

Image Greyscale with CSS & re-color on mouse-over?

I am looking to take an icon that is colored (and will be a link) and turn it greyscale until the user places their mouse over the icon (where it would then color the image). ...
https://stackoverflow.com/ques... 

Calculate the number of business days between two dates?

... I've had such a task before and I've got the solution. I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is ...
https://stackoverflow.com/ques... 

How do I change the value of a global variable inside of a function

I am using JavaScript and I create a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this? ...
https://stackoverflow.com/ques... 

How to pass arguments and redirect stdin from a file to program run in gdb?

... Pass the arguments to the run command from within gdb. $ gdb ./a.out (gdb) r < t Starting program: /dir/a.out < t share | improve this answer ...
https://stackoverflow.com/ques... 

Converting an array of objects to ActiveRecord::Relation

... ActiveRecord::Relation since a Relation is just a builder for a SQL query and its methods do not operate on actual data. However, if what you want is a relation then: for ActiveRecord 3.x, don’t call all and instead call scoped, which will give back a Relation which represents the same records...
https://stackoverflow.com/ques... 

What is the difference between jQuery's mouseout() and mouseleave()?

What is the difference between jQuery's mouseout() and mouseleave()? 4 Answers 4 ...
https://stackoverflow.com/ques... 

How to turn a String into a JavaScript function call? [duplicate]

... Seeing as I hate eval, and I am not alone: var fn = window[settings.functionName]; if(typeof fn === 'function') { fn(t.parentNode.id); } Edit: In reply to @Mahan's comment: In this particular case, settings.functionName would be "clickedOnIt...
https://stackoverflow.com/ques... 

How can I detect when the mouse leaves the window?

...e. The solution below was tested on IE 8.0.6, FireFox 3.6.6, Opera 10.53, and Safari 4 on an MS Windows XP machine. First a little function from Peter-Paul Koch; cross browser event handler: function addEvent(obj, evt, fn) { if (obj.addEventListener) { obj.addEventListener(evt, fn, fals...
https://stackoverflow.com/ques... 

How do I Search/Find and Replace in a standard string?

...one can do better, but this solution has the merit of being easy to understand. – Zonko Sep 21 '11 at 8:57 1 ...