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How do I associate a Vagrant project directory with an existing VirtualBox VM?
...
# test1 and test2 boxes... for box in test1 test2; do virtualboxid=$(VBoxManage list vms | grep $box | cut -d' ' -f2); echo -n $virtualboxid > .vagrant/machines/$box/virtualbox/id; done
– luismartingil
...
How to avoid 'cannot read property of undefined' errors?
... operator.
window.a = "aString";
//window should have 'a' property
//lets test if it exists
if ("a" in window){
//true
}
if ("b" in window){
//false
}
Of course you can nest this as deep as you want
if ("a" in window.b.c) { }
Not sure if this helps.
...
PHP abstract properties
...
As you could have found out by just testing your code:
Fatal error: Properties cannot be declared abstract in ... on line 3
No, there is not. Properties cannot be declared abstract in PHP.
However you can implement a getter/setter function abstract, this...
Initialize a nested struct
...ort string
}
func main() {
c := &Configuration{
Val: "test",
Proxy: Proxy{
Address: "addr",
Port: "port",
},
}
fmt.Println(c)
fmt.Println(c.Proxy.Address)
}
The less proper and ugly way but still works:
c := &Configur...
Why does `a == b or c or d` always evaluate to True?
...= "Inbar":
Compose a sequence of valid values, and use the in operator to test for membership:
if name in {"Kevin", "Jon", "Inbar"}:
In general of the two the second should be preferred as it's easier to read and also faster:
>>> import timeit
>>> timeit.timeit('name == "Kevin" ...
Elegant setup of Python logging in Django
...default with django-admin createproject v1.3 - mileage might change with latest django versions:
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'mail_admins': {
'level': 'ERROR',
'class': 'django.utils.log.AdminEmailHandler',
...
How to drop a database with Mongoose?
... will work
I use this technique to drop the Database after my integration tests
//CoffeeScript
mongoose = require "mongoose"
conn = mongoose.connect("mongodb://localhost/mydb")
conn.connection.db.dropDatabase()
//JavaScript
var conn, mongoose;
mongoose = require("mongoose");
conn = mongoose.conn...
How do I export UIImage array as a movie?
...
Here is the latest working code on iOS8 in Objective-C.
We had to make a variety of tweaks to @Zoul's answer above to get it to work on the latest version of Xcode and iOS8. Here is our complete working code that takes an array of UIIma...
How to use UIVisualEffectView to Blur Image?
...anslucent layer over my screen and not blurring - it was all because I was testing on an older device
– Keith
Jan 29 '16 at 14:30
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show 7 m...
Can I get JSON to load into an OrderedDict?
...onda's pkgs/main/win-64::python-3.6.4-h0c2934d_3, so this will be tough to test.
– fuglede
Feb 9 '19 at 8:48
...