大约有 40,000 项符合查询结果(耗时:0.0764秒) [XML]

https://stackoverflow.com/ques... 

Eclipse hangs on loading workbench

... DISCLAIMER: THIS WILL DELETE ALL OF YOUR ECLIPSE WORKSPACE SETTINGS AND YOU WILL HAVE TO RE-IMPORT ALL YOUR PROJECTS, THERE ARE LESS DESTRUCTIVE ANSWERS HERE Try the following: Delete the .metadata folder in your local workspace (this is what worked f...
https://stackoverflow.com/ques... 

What column type/length should I use for storing a Bcrypt hashed password in a Database?

... I don't get the reason why I should bother about binary or not binary at all, if I don't want to sort by password hash, compare hashes on database layer or make the password column unique (“Sorry, this password is already in use”) at all. I'd recommend using UTF8 everywhere. In that case there...
https://stackoverflow.com/ques... 

How does the new automatic reference counting mechanism work?

...rty assignments are inexpensive (as discussed here). I know I'm replacing all of my existing Mac GC code with ARC implementations. As to whether this could be extended to other languages, it seems geared around the reference counting system in Objective-C. It might be difficult to apply this to J...
https://stackoverflow.com/ques... 

com.jcraft.jsch.JSchException: UnknownHostKey

...one line – yegor256 Mar 31 '12 at 4:32 2 Side note: I used this feedback to configure my ~/.ssh/c...
https://stackoverflow.com/ques... 

How to convert a data frame column to numeric type?

... and this is not the most confounding thing, but it can confuse you, especially if you read this before rolling into bed. Here goes: first two columns are character. I've deliberately called 2nd one fake_char. Spot the similarity of this character variable with one that Dirk created in his reply. I...
https://stackoverflow.com/ques... 

How to encrypt/decrypt data in php?

...hich has a fixed block size of 16 bytes and a key size of either 16, 24 or 32 bytes. Encryption key A good encryption key is a binary blob that's generated from a reliable random number generator. The following example would be recommended (>= 5.3): $key_size = 32; // 256 bits $encryption_key ...
https://stackoverflow.com/ques... 

Correct way to use _viewstart.cshtml and partial Razor views?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
https://stackoverflow.com/ques... 

How to replace captured groups only?

... CertainPerformanceCertainPerformance 203k2323 gold badges137137 silver badges158158 bronze badges ...
https://stackoverflow.com/ques... 

How to convert JSON string to array

...d keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the official, built-in json_decode()? What does var_dump(json_decode($str, true)); return? – RickN Sep 22 '11 at 15:34 ...
https://stackoverflow.com/ques... 

Why use Ruby's attr_accessor, attr_reader and attr_writer?

...write classes which will work correctly no matter how their public API is called. class Person attr_accessor :age ... end Here, I can see that I may both read and write the age. class Person attr_reader :age ... end Here, I can see that I may only read the age. Imagine that it is set ...