大约有 47,000 项符合查询结果(耗时:0.0786秒) [XML]

https://stackoverflow.com/ques... 

How to modify list entries during for loop?

...fy the list during an iterative looping. However, suppose I have a list of strings, and I want to strip the strings themselves. Does replacement of mutable values count as modification? ...
https://stackoverflow.com/ques... 

How to avoid scientific notation for large numbers in JavaScript?

...nction toFixed(x) { if (Math.abs(x) < 1.0) { var e = parseInt(x.toString().split('e-')[1]); if (e) { x *= Math.pow(10,e-1); x = '0.' + (new Array(e)).join('0') + x.toString().substring(2); } } else { var e = parseInt(x.toString().split('+')[1]); if (e > ...
https://stackoverflow.com/ques... 

Concatenate a vector of strings/character

...f I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() : ...
https://stackoverflow.com/ques... 

Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?

I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...
https://stackoverflow.com/ques... 

Stack Memory vs Heap Memory [duplicate]

...C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is...
https://stackoverflow.com/ques... 

WPF: Setting the Width (and Height) as a Percentage Value

... I already tried that, but I'm getting this error: '2*' string cannot be converted to Length.' – Andreas Grech Apr 4 '09 at 16:06 6 ...
https://stackoverflow.com/ques... 

Convert decimal to hexadecimal in UNIX shell script

...e=16; 123456" | bc. So the way to deal with arbitrary numbers of integers all on one line is to put each number on its own line: tr ' ' '\015' <input | bc (map blanks to newlines). – Jonathan Leffler Dec 25 '08 at 20:40 ...
https://stackoverflow.com/ques... 

Should I store entire objects, or pointers to objects in containers?

... storing pointers into vector can be efficient if used along with a custom allocator for the pointees. The custom allocator has to take care of the cache locality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators). – amit ...
https://stackoverflow.com/ques... 

Get JSF managed bean by name in any Servlet related class

...follows: @SuppressWarnings("unchecked") public static <T> T findBean(String beanName) { FacesContext context = FacesContext.getCurrentInstance(); return (T) context.getApplication().evaluateExpressionGet(context, "#{" + beanName + "}", Object.class); } and can be used as follows: Bean...
https://stackoverflow.com/ques... 

Most used parts of Boost [closed]

...st program_options (just brilliant!) test (for all my unit testing needs). String algorithms String tokenizer format (type-safe printf style string formatting) smart ptrs Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled. ...