大约有 40,000 项符合查询结果(耗时:0.0829秒) [XML]

https://stackoverflow.com/ques... 

Rails: FATAL - Peer authentication failed for user (PG::Error)

... If you installed postresql on your server then just host: localhost to database.yml, I usually throw it in around where it says pool: 5. Otherwise if it's not localhost definitely tell that app where to find its database. development:...
https://stackoverflow.com/ques... 

Converting an int to a binary string representation in Java?

... Laurel 5,3621010 gold badges2323 silver badges4545 bronze badges answered Aug 29 '16 at 18:58 Ariel BadillaAriel Badilla ...
https://stackoverflow.com/ques... 

What does Provider in JAX-RS mean?

...tomizing the JAX-RS runtime. You can think of them as plugins that (potentially) alter the behavior of the runtime, in order to accomplish a set of (program defined) goals. Providers are not the same as resources classes, they exist, conceptually, at a level in-between resources classes and the JAX...
https://stackoverflow.com/ques... 

What do pty and tty mean?

... wnoisewnoise 9,2103232 silver badges4646 bronze badges add a comment ...
https://stackoverflow.com/ques... 

How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

... It seems to me that if you redirect to the same page, then $_POST is cleared. As I understand it, that was the desired effect. That was MY desired effect, anyway. I think the answer would be better if it made that explicit, though. – donutguy640 ...
https://stackoverflow.com/ques... 

Which way is best for creating an object in JavaScript? Is `var` necessary before an object property

...your example, Person (you should start the name with a capital letter) is called the constructor function. This is similar to classes in other OO languages. Use way 2 if you only need one object of a kind (like a singleton). If you want this object to inherit from another one, then you have to use a...
https://stackoverflow.com/ques... 

How can I get the behavior of GNU's readlink -f on a Mac?

...in your own script where you'd like to call readlink -f #!/bin/sh TARGET_FILE=$1 cd `dirname $TARGET_FILE` TARGET_FILE=`basename $TARGET_FILE` # Iterate down a (possible) chain of symlinks while [ -L "$TARGET_FILE" ] do TARGET_FILE=`readlink $TARGET_FILE` cd `dirname $TARGET_FILE` T...
https://stackoverflow.com/ques... 

How do I create delegates in Objective-C?

...ign it as the web view's delegate: MyClass *instanceOfMyClass = [[MyClass alloc] init]; myWebView.delegate = instanceOfMyClass; On the UIWebView side, it probably has code similar to this to see if the delegate responds to the webViewDidStartLoad: message using respondsToSelector: and send it if ...
https://stackoverflow.com/ques... 

C# code to validate email address

...e-mail addresses are more forgiving than you might first assume. These are all perfectly valid forms: cog@wheel "cogwheel the orange"@example.com 123@$.xyz For most use cases, a false "invalid" is much worse for your users and future proofing than a false "valid". Here's an article that used to ...
https://stackoverflow.com/ques... 

Matching a space in regex

...X is the physical tab character (and each is preceded by a single space in all those examples). These will work in every* regex engine I've ever seen (some of which don't even have the one-or-more "+" character, ugh). If you know you'll be using one of the more modern regex engines, "\s" and its v...