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Django self-referential foreign key
...
You can pass in the name of a model as a string to ForeignKey and it will do the right thing.
So:
parent = models.ForeignKey("CategoryModel")
Or you can use the string "self"
parent = models.ForeignKey("self")
...
Set color of TextView span in Android
...View)findViewById(R.id.mytextview01);
Spannable wordtoSpan = new SpannableString("I know just how to whisper, And I know just how to cry,I know just where to find the answers");
wordtoSpan.setSpan(new ForegroundColorSpan(Color.BLUE), 15, 30, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
TV.setText...
How to convert an OrderedDict into a regular dict in python3
... it in other places, but some constraints demand using a dict converted to string.
– Ben A.
Nov 23 '13 at 20:00
Would ...
How to access property of anonymous type in C#?
... the following message at runtime: "'<>f__AnonymousType0<bool,int,string>' does not contain a definition for 'Checked2'".
2. Solution with reflection
The solution with reflection works both with old and new C# compiler versions. For old C# versions please regard the hint at the end of ...
How to get correct timestamp in C#
...rect syntax to get current date and time is DateTime.Now, so change this:
String timeStamp = GetTimestamp(new DateTime());
to this:
String timeStamp = GetTimestamp(DateTime.Now);
share
|
improv...
How can I add some small utility functions to my AngularJS application?
...d @Amogh Talpallikar. Especially if you're looking for utilities like isNotString() or similar. One of the clear advantages here is that you can re-use them outside of your angular code and you can use them inside of your config function (which you can't do with services).
That being said, if you'r...
Example of Named Pipes
...ace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
StartServer();
Task.Delay(1000).Wait();
//Client
var client = new NamedPipeClientStream("PipesOfPiece");
client.Connect();
Str...
C#/Linq: Apply a mapping function to each element in an IEnumerable?
...int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
var strings = from i in integers
select i.ToString();...
Get the current script file name
...o($filename, PATHINFO_FILENAME);
}
var_dump(chopExtension('bob.php')); // string(3) "bob"
var_dump(chopExtension('bob.i.have.dots.zip')); // string(15) "bob.i.have.dots"
Using standard string library functions is much quicker, as you'd expect.
function chopExtension($filename) {
return subst...
Pipe subprocess standard output to a variable [duplicate]
...ll which can be dangerous if you don't control the contents of the command string.
>>> proc = subprocess.Popen(['cdrecord', '--help'], stderr=subprocess.PIPE)
>>> output = proc.stderr.read()
>>> print output
Usage: wodim [options] track1...trackn
Options:
-version ...