大约有 10,900 项符合查询结果（耗时：0.0249秒） [XML]
How do you create optional arguments in php?
...
The default value of the argument must be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
...
Create a menu Bar in WPF?
I want to create a menu bar identical to the one in windows forms in my WPF application.
4 Answers
...
Rails 4: before_filter vs. before_action
...
As we can see in ActionController::Base, before_action is just a new syntax for before_filter.
However all before_filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
...
Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...，如：tar、awk、mail、sed、cvs、compress、ls、rm、yacc、rpm、 ftp……等等，等等，来完成诸如"程序打包"、"程序备份"、"制作程序安装包"、"提交代码"、"使用程序模板"、"合并文件"等等五花八门的功能，文件操作，文件管理，编程开...
Passing a list of kwargs?
Can I pass a list of kwargs to a method for brevity? This is what i'm attempting to do:
4 Answers
...
How to access object attribute given string corresponding to name of that attribute
...
There are built-in functions called getattr and setattr
getattr(object, attrname)
setattr(object, attrname, value)
In this case
x = getattr(t, 'attr1')
setattr(t, 'attr1', 21)
...
WPF TextBox won't fill in StackPanel
...trol within a StackPanel whose Orientation is set to Horizontal , but can't get the TextBox to fill the remaining StackPanel space.
...
What are the differences between PMD and FindBugs?
There was a question comparing PMD and CheckStyle . However, I can't find a nice breakdown on the differences/similarities between PMD and FindBugs. I believe a key difference is that PMD works on source code, while FindBugs works on compiled bytecode files. But in terms of capabilities, should it ...
Creating PHP class instance with a string
... class ClassOne { } and class ClassTwo {} . I am getting a string which can be either "One" or "Two" .
4 Answers
...
Pair/tuple data type in Go
...ctions do not represent a first-class object.
Nick's answer shows how you can do something similar that handles arbitrary types using interface{}. (I might have used an array rather than a struct to make it indexable like a tuple, but the key idea is the interface{} type)
My other answer shows how...