大约有 40,000 项符合查询结果(耗时:0.0540秒) [XML]

https://stackoverflow.com/ques... 

Best way to do multi-row insert in Oracle?

...AG_NAME,PAG_ACTIVE) select 8000,0,'Multi 8000',1 from dual union all select 8001,0,'Multi 8001',1 from dual The thing to remember here is to use the from dual statement. (source) share | ...
https://stackoverflow.com/ques... 

Add a new column to existing table in a migration

... }); } Then you can run your migrations: php artisan migrate This is all well covered in the documentation for both Laravel 3: Schema Builder Migrations And for Laravel 4 / Laravel 5: Schema Builder Migrations Edit: use $table->integer('paid')->after('whichever_column'); to add ...
https://stackoverflow.com/ques... 

What is the difference between #include and #include “filename”?

...e> the preprocessor searches in an implementation dependent manner, normally in search directories pre-designated by the compiler/IDE. This method is normally used to include standard library header files. For #include "filename" the preprocessor searches first in the same directory as the file ...
https://stackoverflow.com/ques... 

How to replace spaces in file names using a bash script

...whole question is about micro-optimizing more or less. Isn't it fun, after all? ;-) – Michael Krelin - hacker Apr 26 '10 at 18:33 17 ...
https://stackoverflow.com/ques... 

How to change Rails 3 server default port in develoment?

... First - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later... In your project edit script/rails this way: #!/usr/bin/env ruby # This command will automatically be run when you run "rails" with Rails 3 gems installed from the root...
https://stackoverflow.com/ques... 

What are some better ways to avoid the do-while(0); hack in C++?

...ate these decisions in a function and use returns instead of breaks. While all these checks correspond to the same level of abstraction as of the function, it is quite logical approach. For example: void foo(...) { if (!condition) { return; } ... if (!other condition) { ...
https://stackoverflow.com/ques... 

How do I check if an object has a specific property in JavaScript?

... I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...
https://stackoverflow.com/ques... 

How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

...'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundler without a bundled JRE will use the "p...
https://stackoverflow.com/ques... 

Getter and Setter?

... That's not really setter and getter. Typically I need for each property different implementation of getter! – sumid Feb 16 '13 at 0:59 ...
https://stackoverflow.com/ques... 

What's the meaning of exception code “EXC_I386_GPFLT”?

...hich is the x86's way to tell you that "you did something that you are not allowed to do". It typically DOESN'T mean that you access out of memory bounds, but it could be that your code is going out of bounds and causing bad code/data to be used in a way that makes for an protection violation of som...