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Understanding the difference between __getattr__ and __getattribute__
... this model, we can get the attribute by supplying the attribute_name as a string.
Use of __getattr__
You can also tell a class how to deal with attributes which it doesn't explicitly manage and do that via __getattr__ method.
Python will call this method whenever you request an attribute that ha...
How do you test functions and closures for equality?
...hashable object. Like:
var handler:Handler = Handler(callback: { (message:String) in
//handler body
}))
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Wildcards in jQuery selectors
...t;
<div id="jander2"></div>
This will select the given string anywhere in the id.
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How to find the type of an object in Go?
...ariables.
The following snippet will print out the reflection type of a string, integer and float.
package main
import (
"fmt"
"reflect"
)
func main() {
tst := "string"
tst2 := 10
tst3 := 1.2
fmt.Println(reflect.TypeOf(tst))
fmt.Println(reflect.TypeOf(tst2))
f...
How to get current page URL in MVC 3
...
You could use the Request.RawUrl, Request.Url.OriginalString, Request.Url.ToString() or Request.Url.AbsoluteUri.
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Spring Cache @Cacheable - not working while calling from another method of the same bean
...nContext applicationContext;
@Override
@Cacheable("settingsCache")
public String findValue(String name) {
Setting setting = settingRepository.findOne(name);
if(setting == null){
return null;
}
return setting.getValue();
}
@Override
public Boolean findBoolean(String name) {
...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...f the lists won't be repeated (they are unique) as well as hashable (which strings and other certain immutable python objects are), the most direct and computationally efficient answer uses Python's builtin sets, (which are semantically like mathematical sets you may have learned about in school).
...
Regex for password must contain at least eight characters, at least one number and both lower and up
...
And How to avoid for empty string. Empty string regex should return true. I have used following regex (?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\\S+$).{8,15}
– Coder
Jun 15 '18 at 7:52
...
Setting an object to null vs Dispose()
...ode) to know when you're not going to use a reference again. For example:
StringBuilder sb = new StringBuilder();
sb.Append("Foo");
string x = sb.ToString();
// The string and StringBuilder are already eligible
// for garbage collection here!
int y = 10;
DoSomething(y);
// These aren't helping at...
How to initialize an array in one step using Ruby?
...ot required, but included for clarity
For arrays of whitespace-delimited strings, you can use Percent String syntax:
array = %w[ 1 2 3 ]
You can also pass a block to Array.new to determine what the value for each entry will be:
array = Array.new(3) { |i| (i+1).to_s }
Finally, although it doe...