大约有 47,000 项符合查询结果(耗时:0.0484秒) [XML]

https://stackoverflow.com/ques... 

What does the ^ operator do in Java?

...Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was to compute 8*10^6 + 6*10^5 + 7*10^4 + 5*10^3 + 3*10^2 + 0*10^1 + 9*10^0 = 8675309; the next part of this answer addresses that exponentiation is not necessary for this task. Horner's scheme ...
https://stackoverflow.com/ques... 

how do I check in bash whether a file was created more than x time ago?

... function file-age { FILE_CREATED_TIME=`date -r "$1" +%s`; TIME_NOW=`date +%s`; echo "$[ ${TIME_NOW} - ${FILE_CREATED_TIME} ]"; } – turiyag Apr 28 '18 at 18:50 ...
https://stackoverflow.com/ques... 

Is Integer Immutable

I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code: ...
https://stackoverflow.com/ques... 

Hidden features of Ruby

Continuing the "Hidden features of ..." meme, let's share the lesser-known but useful features of Ruby programming language. ...
https://stackoverflow.com/ques... 

Mathematical functions in Swift

... @noilly: kinda late now, you have to set the file type to iOS in the Playground's file properties (Cmd-Opt-0), or import UIKit instead, per above comment – Chris Conover Sep 29 '14 at 21:35 ...
https://stackoverflow.com/ques... 

Why should I use a pointer rather than the object itself?

... Remember that s/copy/move/ in many places now. Returning an object definitely does not imply a move. You should also note that accessing an object through a pointer is orthogonal to how it was created. – Puppy Mar 3 '14 at 12:10...
https://stackoverflow.com/ques... 

How to avoid reverse engineering of an APK file?

...t the source code in my APK file? As everyone says, and as you probably know, there's no 100% security. But the place to start for Android, that Google has built in, is ProGuard. If you have the option of including shared libraries, you can include the needed code in C++ to verify file sizes, inte...
https://stackoverflow.com/ques... 

Centering controls within a form in .NET (Winforms)? [duplicate]

... Great, I never thought about quit all sides on Anchor property, now if I resize the control keeps centered. !great! – FabianSilva Mar 23 '12 at 13:52 ...
https://stackoverflow.com/ques... 

appearanceWhenContainedIn in Swift

... Don't know why this is downvote since it 's the way to do it in iOS10 swift 3... Thanks – Vassily Dec 21 '16 at 14:47 ...
https://stackoverflow.com/ques... 

How to add multiple files to Git at the same time

...4: add untracked 5: patch 6: diff 7: quit 8: help What now> If you press 2 then enter you will get a list of available files to be added: What now> 2 staged unstaged path 1: unchanged +0/-1 TODO 2: unchanged +1/-1 index.html 3: ...