大约有 42,000 项符合查询结果（耗时：0.0424秒） [XML]
What is the best method of handling currency/money?
...on.
If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain.
As pointed out by mcl, to print the price, use:
number_to_currency(price, :unit => "€")
#=> €1,234.01
...
When and how should I use a ThreadLocal variable?
...
One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object...
Non-static variable cannot be referenced from a static context
...
You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with t...
Why is there no String.Empty in Java?
I understand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 An...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...ur HTML5 application. This is not an attempt to create any kind of standard. Instead, I will make suggestions on how to group and name files in a logical convenient way. Your Project Let’s assume you are building an HTML5 application. In some cases you may use the root of your server as the ...
Different types of thread-safe Sets in Java
There seems to be a lot of different implementations and ways to generate thread-safe Sets in Java.
Some examples include
4...
Does Java have buffer overflows?
...
Since Java Strings are based on char arrays and Java automatically checks array bounds, buffer overflows are only possible in unusual scenarios:
If you call native code via JNI
In the JVM itself (usually written in C++)
The interpreter or JIT compiler does not work c...
Most Pythonic way to provide global configuration variables in config.py? [closed]
...an also pass in additional defaults from your code. It also maps attribute and mapping style syntax to the same configuration object.
share
|
improve this answer
|
follow
...
Android : difference between invisible and gone?
What is the difference between invisible and gone for the View visibility status?
8 Answers
...
How do I manage conflicts with git submodules?
I have a git superproject that references several submodules and I am trying to lock down a workflow for the rest of the my project members to work within.
...