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Best way to generate random file names in Python
...
You could use the UUID module for generating a random string:
import uuid
filename = str(uuid.uuid4())
This is a valid choice, given that an UUID generator is extremely unlikely to produce a duplicate identifier (a file name, in this case):
Only after generating 1 billion...
Using Linq to group a list of objects into a new grouped list of list of objects
...
For type
public class KeyValue
{
public string KeyCol { get; set; }
public string ValueCol { get; set; }
}
collection
var wordList = new Model.DTO.KeyValue[] {
new Model.DTO.KeyValue {KeyCol="key1", ValueCol="value1" },
new Model.DTO.KeyValue {KeyCol...
Local Storage vs Cookies
...a
Expiration dates
Cons
Each domain stores all its cookies in a single string, which can make
parsing data difficult
Data is unencrypted, which becomes an issue because... ... though
small in size, cookies are sent with every HTTP request Limited size
(4KB)
SQL injection can be performed from a ...
What is the difference between Class.this and this in Java
...lass that needs to refer to its outer class's instance.
class Person{
String name;
public void setName(String name){
this.name = name;
}
class Displayer {
String getPersonName() {
return Person.this.name;
}
}
}
...
AngularJS : Initialize service with asynchronous data
...dependency2']);
// Use angular's version of document.ready() just to make extra-sure DOM is fully
// loaded before you bootstrap. This is probably optional, given that the async
// data call will probably take significantly longer than DOM load. YMMV.
// Has the added virtue of keeping your XHR j...
Android ImageView Zoom-in and Zoom-Out
...ut extends Activity implements OnTouchListener
{
private static final String TAG = "Touch";
@SuppressWarnings("unused")
private static final float MIN_ZOOM = 1f,MAX_ZOOM = 1f;
// These matrices will be used to scale points of the image
Matrix matrix = new Matrix();
Matrix s...
What is the Scala identifier “implicitly”?
...erson, using a type class based approach:
trait Show[T] { def show(t: T): String }
object Show {
implicit def IntShow: Show[Int] = new Show[Int] { def show(i: Int) = i.toString }
implicit def StringShow: Show[String] = new Show[String] { def show(s: String) = s }
def ShoutyStringShow: Show[S...
C++ where to initialize static const
... unit (usually a .cpp file) would do:
foo.h
class foo {
static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral types can be initialized here (*)...
static const int j; // ... OR in cpp.
};
f...
postgresql: INSERT INTO … (SELECT * …)
...required DETAIL: Non-superusers must provide a password in the connection string.
– Neel Darji
May 17 at 6:25
...
Convert a python 'type' object to a string
I'm wondering how to convert a python 'type' object into a string using python's reflective capabilities.
5 Answers
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