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How to randomize (shuffle) a JavaScript array?
...
You can do it easily with map and sort:
let unshuffled = ['hello', 'a', 't', 'q', 1, 2, 3, {cats: true}]
let shuffled = unshuffled
.map((a) => ({sort: Math.random(), value: a}))
.sort((a, b) => a.sort - b.sort)
.map((a) => a.value)
We put each element in the array ...
Difference between app.use and app.get in express.js
...) would actually be:
app.all(/^\/.*/, function (req, res) {
res.send('Hello');
});
(Update: Attempting to better demonstrate the differences.)
The routing methods, including app.get(), are convenience methods that help you align responses to requests more precisely. They also add in suppor...
Use logging print the output of pprint
...hen send it to your logging framework.
from pprint import pformat
ds = [{'hello': 'there'}]
logging.debug(pformat(ds))
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How to initialize all members of an array to the same value?
...
I saw some code that used this syntax:
char* array[] =
{
[0] = "Hello",
[1] = "World"
};
Where it becomes particularly useful is if you're making an array that uses enums as the index:
enum
{
ERR_OK,
ERR_FAIL,
ERR_MEMORY
};
#define _ITEM(x) [x] = #x
char* array[] =...
Cordova: start specific iOS emulator image
...by directly using ios-sim.
export appname="./platforms/ios/build/emulator/Hello World.app"
ios-sim launch "$appname" --devicetypeid "com.apple.CoreSimulator.SimDeviceType.iPad-2, 8.0" --stderr ./platforms/ios/cordova/console.log --stdout ./platforms/ios/cordova/console.log
Details
When I ran thi...
How to get ER model of database from server with Workbench
...
Hello , reverse engeneering creates EER of a schema , not ER :)
– HasS
Jun 4 '16 at 21:45
...
Append an element with fade in effect [jQuery]
...n you append it and then to show it.
var html = "<div id='blah'>Hello stuff here</div>"
$("#mycontent").append(function(){
return html.hide();
});
$('#blah').fadeIn(999);
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What is the best IDE to develop Android apps in? [closed]
...e going to be learning Android development from the start, I can recommend Hello, Android, which I just finished. It shows you exactly how to use all the features of Eclipse that are useful for developing Android apps. There's also a brief section on getting set up to develop from the command line...
How to quickly clear a JavaScript Object?
...ve in ES7 and with data-binding in general. Consider:
var foo={
name: "hello"
};
Object.observe(foo, function(){alert('modified');}); // bind to foo
foo={}; // You are no longer bound to foo but to an orphaned version of it
foo.name="there"; // This change will be missed by Object.observe()
...
How to pass arguments to a Button command in Tkinter?
... print built-in method, like the following:
btn['command'] = lambda arg1="Hello", arg2=" ", arg3="World!" : print(arg1 + arg2 + arg3)
Calling Multiple Methods when the Button Is Pressed
Without Arguments
You can also achieve that using lambda statement but it is considered bad practice and th...