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Android Calling JavaScript functions in WebView
...ide an android webview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast.
...
How to properly seed random number generator
...next random integer.
Move the rand.Seed(time.Now().UTC().UnixNano()) line from the randInt function to the start of the main and everything will be faster.
Note also that I think you can simplify your string building:
package main
import (
"fmt"
"math/rand"
"time"
)
func main() {
...
Unzipping files in Python
....html I unzip to the temporary directory and the move / organize the files from there.
– Dave Forgac
Jul 12 '17 at 17:28
10
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Android and setting alpha for (image) view alpha
...ew ImageView(this);
myImageView.setAlpha(xxx);
In pre-API 11:
range is from 0 to 255 (inclusive), 0 being transparent and 255 being opaque.
In API 11+:
range is from 0f to 1f (inclusive), 0f being transparent and 1f being opaque.
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Is there a “null coalescing” operator in JavaScript?
...are considered NOT NULL and therefore count as actual values. If you come from a .net background, this will be the most natural feeling solution.
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Maven2 property that indicates the parent directory
...ou build the whole project or a sub-module.
It works whether you run maven from the root folder or a sub-module.
There's no need to set a relative path property in each and every sub-module!
The plugin lets you set a property of your choice to the absolute-path of any of the project's modules. In ...
Clone Object without reference javascript [duplicate]
..." + B.a); // 25 30 40
This creates a new object in A and B that inherits from obj. This means that you can add properties without affecting the original.
To support legacy implementations, you can create a (partial) shim that will work for this simple task.
if (!Object.create)
Object.create ...
Getting the HTTP Referrer in ASP.NET
...ent request:
Request.UrlReferrer
This will read the Referer HTTP header from the request which may or may not be supplied by the client (user agent).
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Why is there “data” and “newtype” in Haskell? [duplicate]
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From application point of view, since newtype is a new name of an existing type, it is used to implement multiple instances of a class for that same underlying type. Now compiler won't complain if you attempt to define instan...
Naming threads and thread-pools of ExecutorService
.... If a ThreadFactory fails to create a thread when asked by returning null from newThread, the executor will continue, but might not be able to execute any tasks
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