大约有 40,000 项符合查询结果(耗时:0.0816秒) [XML]

https://stackoverflow.com/ques... 

IntelliJ IDEA JDK configuration on Mac OS

...hich java in terminal, it prints /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java and then use Home dir path to input in IntelliJ idea dialog, like this /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home – Maxim Yefremov May...
https://stackoverflow.com/ques... 

How do getters and setters work?

...yClass { private $firstField; private $secondField; public function __get($property) { if (property_exists($this, $property)) { return $this->$property; } } public function __set($property, $value) { if (property_exists($this, $property)) { $this->$property ...
https://stackoverflow.com/ques... 

Best way to initialize (empty) array in PHP

...ferent ways, with the literal grammar not being dogged by the overhead of calling a function. PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
https://stackoverflow.com/ques... 

Using 'return' in a Ruby block

...; } LocalJumpError: unexpected return from (irb):7:in `block in irb_binding' from (irb):2:in `call' from (irb):2:in `thing' from (irb):6 from /home/mirko/.rvm/rubies/ruby-1.9.1-p378/bin/irb:15:in `<main>' irb(main):009:0> thing { break 6 * 7 } => 4...
https://stackoverflow.com/ques... 

How do I insert NULL values using PDO?

...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs: bindValue(':param', null, PDO::PARAM_INT); EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
https://stackoverflow.com/ques... 

How do I remove a key from a JavaScript object? [duplicate]

... The delete operator allows you to remove a property from an object. The following examples all do the same thing. // Example 1 var key = "Cow"; delete thisIsObject[key]; // Example 2 delete thisIsObject["Cow"]; // Example 3 delete thisIsO...
https://stackoverflow.com/ques... 

What is thread safe or non-thread safe in PHP?

...s implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple models for handling requests, one of w...
https://stackoverflow.com/ques... 

Android : difference between invisible and gone?

...! I have no answer for your question. If you think this was very clear for all users, then the accepted answer should be a comment and have a link of documentation site. Am I correct? – Pankaj Kumar Mar 12 '15 at 6:09 ...
https://stackoverflow.com/ques... 

Updating address bar with new URL without hash or reloading the page

... in-depth look into pushState/replaceState/popstate (aka the HTML5 History API) see the MDN docs. TL;DR, you can do this: window.history.pushState("object or string", "Title", "/new-url"); See my answer to Modify the URL without reloading the page for a basic how-to. ...
https://stackoverflow.com/ques... 

The role of #ifdef and #ifndef

...o do something like that with the old #ifdef/#ifndef pair. #if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300 share | improve this answer | follow ...