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jQuery Validate Required Select
... rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule?
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Express.js req.body undefined
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First make sure , you have installed npm module named 'body-parser' by calling :
npm install body-parser --save
Then make sure you have included following lines before calling routes
var express = require('express');
var bodyParser = require('body-parser');
var app = express();
app.use(b...
What does `someObject.new` do in Java?
...rom within its containing class it uses the this instance of the container by default:
public class Foo {
int val;
public Foo(int v) { val = v; }
class Bar {
public void printVal() {
// this is the val belonging to our containing instance
System.out.println(val);
}
}
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center aligning a fixed position div
...cally translateX(-50%) considers the current width of the div and moves it by -50% of its width to the left side from the actual place.
– emil.c
Nov 14 '18 at 10:28
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Wrong syntax highlighting for PHP file in PHPStorm
... Thanks! I had same strange behavior. I created a normal file at first by fault. Then tried to rename to *.php and it still was shown as text. Read this comment and looked under Text files. Right enough a single registered pattern was there with the full filename .php - thanks.
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How to Implement DOM Data Binding in JavaScript
...t will be visible to the JS code.
var obj = new MyCtor(document.getElementById("foo"), "20");
// simulate some JS based changes.
var i = 0;
setInterval(function() {
obj.change(parseInt(obj.element.value) + ++i);
}, 3000);
DEMO: http://jsfiddle.net/RkTMD/
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How to set background color of an Activity to white programmatically?
...ained
// within the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView();
// Set the color
root.setBackgroundColor(getResources().getColor(android.R.color.red));
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how to remove untracked files in Git?
...ION because it will permanently delete files. Or use with -n as mentioned by @Druska
– lacostenycoder
May 18 '16 at 20:14
3
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Best way to store date/time in mongodb
...shell version: 2.4.9
connecting to: 10.0.1.223/test
Create your database by inserting items
> db.penguins.insert({"penguin": "skipper"})
> db.penguins.insert({"penguin": "kowalski"})
>
Lets make that database the one we are on now
> use penguins
switched to db penguins
Get the r...
What is the purpose of the -nodes argument in openssl?
...ssword to generate an encryption key using the key-derivation function EVP_BytesToKey.
Depending on your version of OpenSSL and compiled options, you may be able to provide these options in place of -nodes:
-des encrypt private keys with DES
-des3 encrypt private keys with triple ...