大约有 7,700 项符合查询结果(耗时:0.0349秒) [XML]

https://stackoverflow.com/ques... 

How to cast int to enum in C++?

... @Mitch what do I get for using auto in this case? Is there any performance improvements? – Frederico Pantuzza May 19 '17 at 3:29 3 ...
https://stackoverflow.com/ques... 

How to send JSON instead of a query string with $.ajax?

..... the problem is that in $_POST in php you can only see application/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode() – santiago arizti Nov 23 '18 at 15:33 ...
https://stackoverflow.com/ques... 

Difference between Hashing a Password and Encrypting it

... This is safe right? As long as the passwords are never stored in unhashed form for long term and all occurences of encrypted/plaintext passwords are erased from any memory when no longer needed? – AgentM Apr 14 '19 at 9:23 ...
https://stackoverflow.com/ques... 

C# listView, how do I add items to columns 2, 3 and 4 etc?

To add items to column 1 in my listView control ( Winform ) I'm using listView1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc? ...
https://stackoverflow.com/ques... 

How should I ethically approach user password storage for later plaintext retrieval?

...t of any publicly-traded company, but storing passwords in any recoverable form would cause you to to fail several different types of security audits. The issue is not how difficult it would be for some "hacker" who got access to your database to recover the passwords. The vast majority of securit...
https://stackoverflow.com/ques... 

How to check if a String contains another String in a case insensitive manner in Java?

... is this approach using Pattern more performant than s1.toLowerCase().contains(s2.toLowerCase()) ? – Rajat Gupta Aug 9 '12 at 10:24 ...
https://stackoverflow.com/ques... 

StringBuilder vs String concatenation in toString() in Java

...it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever. More importantly given we have only 3 properties it might not make a difference, but at what point do you switch from concat to builder? At the point where you're concatenating in a...
https://stackoverflow.com/ques... 

Understanding ibeacon distancing

...e that the term "accuracy" here is iOS speak for distance in meters. This formula isn't perfect, but it roughly approximates what iOS does. protected static double calculateAccuracy(int txPower, double rssi) { if (rssi == 0) { return -1.0; // if we cannot determine accuracy, return -1. } ...
https://stackoverflow.com/ques... 

Kill child process when parent process is killed

...d processes. public enum JobObjectInfoType { AssociateCompletionPortInformation = 7, BasicLimitInformation = 2, BasicUIRestrictions = 4, EndOfJobTimeInformation = 6, ExtendedLimitInformation = 9, SecurityLimitInformation = 5, GroupInformation = 11 } [StructLayout(Layout...
https://stackoverflow.com/ques... 

Concatenate two slices in Go

... Is this at all performant when the slices are quite big? Or does the compiler not really pass all the elements as parameters? – Toad Sep 24 '14 at 8:57 ...