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The $.param( ) inverse function in JavaScript / jQuery
... // 1
'x[y][0][z][]=1', // 2
'hello=[%22world%22]&world=hello', // 3
'a=1&a=2&&b&c=3&d=&=e&', // 4
'fld[2][]=2&fld[][]=3&fld[3][]=4&fld[]=bb&fld[]=cc', // 5
$.param({a:[[1,2],[3,4],...
Private module methods in Ruby
...rivate
def upcase(s)
s.upcase
end
end
end
Writer.output "Hello World"
# -> HELLO WORLD
Writer.upcase "Hello World"
# -> so.rb:16:in `<main>': private method `upcase' called for Writer:Module (NoMethodError)
...
How do we use runOnUiThread in Android?
... {
AndroidBasicThreadActivity.textView.setText("Hello!! Android Team :-) From child thread.");
}
});
}
}
2.) By using View's post(Runnable runnable) method in worker thread
class MyAndroidThread implements Runnable
{
Activity activity;
...
What does href expression do?
...a javascript function(s)
<script>
function doSomething() {
alert("hello")
}
</script>
<a href="javascript:doSomething();">click me</a>
clicking the link will fire the alert.
share
|
...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...号使用转义符后也不行）
双引号
your_name='qinjx'
str="Hello, I know your are \"$your_name\"! \n"
双引号里可以有变量
双引号里可以出现转义字符
字符串操作
拼接字符串
your_name="qinjx"
greeting="hello, "$your_name" !"
greeting_1="hello, $...
Remove an item from a dictionary when its key is unknown
...emove}
But this may not do what you want:
>>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"}
>>> value_to_remove = "You say yes"
>>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove}
>>> some_d...
How do I raise the same Exception with a custom message in Python?
...thing bad...
except ValueError as err:
err.message=err.message+" hello"
raise # re-raise current exception
except ValueError as e:
print(" got error of type "+ str(type(e))+" with message " +e.message)
This will also do the right thing if err is derived from ValueE...
How to make a Java Generic method static?
...ethod level.
class Greet<T> {
public static <T> void sayHello(T obj) {
System.out.println("Hello " + obj);
}
}
When you see the above code anywhere, please note that the T defined at the class level has nothing to do with the T defined in the static method. The follo...
Node.js: how to consume SOAP XML web service
...web service. Call your wsdl file bmicalculator.wsdl
<definitions name="HelloService" targetNamespace="http://www.examples.com/wsdl/HelloService.wsdl"
xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:tns="http://www.examples.com/wsdl/Hello...
Vagrant reverse port forwarding?
...f you have a webserver running on port 8000 on your host machine...
echo 'Hello, guest!' > hello
python -m SimpleHTTPServer 8000
You can access it from inside the Vagrant VM at 10.0.2.2:8000 (provided 10.0.2.2 is the ip of the guest's default gateway):
vagrant ssh
curl http://10.0.2.2:8000/he...