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How to run multiple Python versions on Windows
... You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, checking for an executable, either batch file (.bat), command file (.cmd) or some other executable to run (this is controll...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...l.List;
import retrofit2.Call;
import retrofit2.http.GET;
/**
* Created by Shweta.Chauhan on 13/07/16.
*/
public interface RequestInterface {
@GET("facts/json/progress/all")
Call<List<Datum>> getJSON();
}
DataAdapter
import android.content.Context;
import android.support.v...
HTML anchor link - href and onclick both?
...tribute ('href') ) ;
});
//Normal Code
element = document . getElementById ( 'link_1' ) ;
element . onClick = function (e) {
e . preventDefault () ;
window . open ( '_top' , element . getAttribute ('href') ) ;
} ;
<a href="#Foo" id="link_1">Do it!</a>
...
Flatten List in LINQ
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
ActiveRecord, has_many :through, and Polymorphic Associations
... the near future :) It would save me alot of headache to figure out how to bypass that error.
– cgr
Nov 7 '09 at 1:35
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What's the difference between Jetty and Netty?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Test if characters are in a string
... searching for 1+2, when treated as a regex, means "one or more 1 followed by a 2"... but ours is followed by a plus!
So, if you used the grepl without setting fixed, your needles would accidentally be haystacks, and that would accidentally work quite often, we can see it even works for the OP's ...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...
I got annoyed by this recently too. I fixed it by putting a wrapper function in the Configuration class in the Seed method, and replaced calls to SaveChanges with calls to my function instead. This function would simply enumerate the err...
How can I detect whether an iframe is loaded?
... javascript
window.onload=function(){
var ifr=document.getElementById('MainPopupIframe');
ifr.onload=function(){
this.style.display='block';
console.log('laod the iframe')
};
var btn=document.getElementById('click');
btn.onclick=function(){
...
What does a double * (splat) operator do
...
Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {...