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Convert int to ASCII and back in Python
...or my site, and my current plan (I'm open to suggestions) is to use a node ID to generate the shortened URL. So, in theory, node 26 might be short.com/z , node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When a user goes to that URL, I need to rev...
Best practices for Storyboard login screen, handling clearing of data upon logout
...
In your appDelegate.m inside your didFinishLaunchingWithOptions
//authenticatedUser: check from NSUserDefaults User credential if its present then set your navigation flow accordingly
if (authenticatedUser)
{
self.window.rootViewController = [...
How to save an activity state using save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
...
How to define two fields “unique” as couple
...= ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.ForeignKey(Journals, db_column='jid', null=True, verbose_name = "Journal")
volume_number = models.CharField('Volume Number', max_length=100)
comments = models....
jQuery Ajax File Upload
...don't have to wait that long any more because all IE only has a 22% world wide market share and 27% in the U.S. and dropping fast. Chances are it is people over 70 years old. So rather then IE dictating what developers have to do IE will either have to shape up or get out of the race.
...
How can I make my custom objects Parcelable?
...ation.
public class Student implements Parcelable{
private String id;
private String name;
private String grade;
// Constructor
public Student(String id, String name, String grade){
this.id = id;
this.name = name;
this.gra...
How to delete all Annotations on a MKMapView
... to blink on the map, due to removing
the pin then adding it back
- (void)removeAllPinsButUserLocation1
{
id userLocation = [mapView userLocation];
[mapView removeAnnotations:[mapView annotations]];
if ( userLocation != nil ) {
[mapView addAnnotation:userLocation]; // will ...
How do you effectively model inheritance in a database?
...ly the different elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
table Person
------------
int id (PK)
string firstname
string lastname...
Oracle SELECT TOP 10 records
...ent query in subquery as below :
SELECT * FROM (
SELECT DISTINCT
APP_ID,
NAME,
STORAGE_GB,
HISTORY_CREATED,
TO_CHAR(HISTORY_DATE, 'DD.MM.YYYY') AS HISTORY_DATE
FROM HISTORY WHERE
STORAGE_GB IS NOT NULL AND
APP_ID NOT IN (SELECT APP_ID FROM HISTORY WHERE TO_CHAR(HIST...
putting datepicker() on dynamically created elements - JQuery/JQueryUI
... datepicker. If you do, add this to remove the hasDatepicker class AND the id datepicker adds to your input: .... find('input.hasDatepicker').removeClass('hasDatepicker').removeAttr('id');
– yahermann
Jan 27 '17 at 5:35
...