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JavaScript OOP in NodeJS: how?
...ld write:
var method = Animal.prototype;
function Animal(age) {
this._age = age;
}
method.getAge = function() {
return this._age;
};
module.exports = Animal;
To use it in other file:
var Animal = require("./animal.js");
var john = new Animal(3);
If you want a "sub class" then insid...
Naming convention for unique constraint
...primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
...
Make absolute positioned div expand parent div height
...ld1 and child2 in relative divs with display:none in parent div. Say child1_1 and child2_2. Put child2_2 on top and child1_1 at the bottom.
When your jquery (or whatever) calls the absolute div, just set the according relative div (child1_1 or child2_2) with display:block AND visibility:hidden. The...
Is there a way to make npm install (the command) to work behind proxy?
...ointed out that you may get NPM to work behind a proxy by setting BOTH HTTP_PROXY and HTTPS_PROXY environment variables, then issuing normally the command npm install express (for example)
EDIT2: As @BStruthers commented, keep in mind that passwords containing "@" wont be parsed correctly, if cont...
How to properly reuse connection to Mongodb across NodeJs application and modules
...re( 'mongodb' ).MongoClient;
const url = "mongodb://localhost:27017";
var _db;
module.exports = {
connectToServer: function( callback ) {
MongoClient.connect( url, { useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err );
} );...
Explode PHP string by new line
...mment to the first answer, the best practice is to use the PHP constant PHP_EOL which represents the current system's EOL (End Of Line).
$skuList = explode(PHP_EOL, $_POST['skuList']);
PHP provides a lot of other very useful constants that you can use to make your code system independent, see thi...
Trying to mock datetime.date.today(), but not working
...ock.patch('datetime.date.today')
def test():
datetime.date.today.return_value = date(2010, 1, 1)
print datetime.date.today()
Unfortunately, this won't work:
>>> test()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "build/bdist.macosx-...
灰度图中找出深色像素并给出坐标 · App Inventor 2 中文网
...灰度图（素材里上传）。
拖一个标签、两个按钮（按钮_扫描、按钮_分批）、一个计时器（取消勾选「启用计时」）。
图片不是灰度图也没关系，加一个图片处理组件先转成灰度（见图片处理）：
when Screen1.Initialize() {
画...
Node: log in a file instead of the console
... change, you can't call stderr.pipe() anymore - it takes this now: process.__defineGetter__('stderr', function() { return fs.createWriteStream(__dirname + '/error.log', {flags:'a'}) })
– damianb
Feb 23 '13 at 17:35
...
Objective-C Static Class Level variables
...ing a Class Object in Apple's Objective-C docs.
– big_m
Oct 3 '11 at 16:02
...