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How do I get a class instance of generic type T?
...t<T> for ArrayList<T> or GenericDAO<T> for DAO<T>, etc.
Pure Java solution
The article Accessing generic types at runtime in Java explains how you can do it using pure Java.
@SuppressWarnings("unchecked")
public GenericJpaDao() {
this.entityBeanType = ((Class) ((Paramete...
Remove Identity from a column in a table
...pt the table to be created; rename everything e.g. 'MyTable2', 'MyIndex2', etc.
Remove the IDENTITY specification.
You should now have two "identical"-ish tables, one full, the other empty with no IDENTITY.
Run ALTER TABLE [Original] SWITCH TO [Original2]
Now your original table will be empty and th...
how to unit test file upload in django
...thing more to test, because that client make use of Sessions, middlewares, etc. Nothing similar to Unit Testing.
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Why would you ever implement finalize()?
...it as a backstop for an object holding an external resource (socket, file, etc). Implement a close() method and document that it needs to be called.
Implement finalize() to do the close() processing if you detect it hasn't been done. Maybe with something dumped to stderr to point out that you're c...
How to get the tag HTML with JavaScript / jQuery?
...et the HTML within the <html> tag ( <head> , <body> , etc.). But how can I get the actual HTML of the <html> tag (with attributes)?
...
jsonify a SQLAlchemy result set in Flask [duplicate]
...on mixin which I use with my models. The serialization function basically fetches whatever attributes the SQLAlchemy inspector exposes and puts it in a dict.
from sqlalchemy.inspection import inspect
class Serializer(object):
def serialize(self):
return {c: getattr(self, c) for c in i...
Multiline for WPF TextBox
...
Also make sure that VerticalContentAlignment is set to Stretch
– eran otzap
Dec 11 '14 at 14:00
1
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INSERT INTO…SELECT for all MySQL columns
... want to insert Hardcoded details else there may be Unique constraint fail etc. So use following in such situation where you override some values of the columns.
INSERT INTO matrimony_domain_details (domain, type, logo_path)
SELECT 'www.example.com', type, logo_path
FROM matrimony_domain_details
WH...
Check if a string is html or not
...will properly detect HTML string, however it has side effect that img/vide/etc. tags will start downloading resource once parsed in innerHTML.
Method #2. Another method uses DOMParser and doesn't have loading resources side effects:
function isHTML(str) {
var doc = new DOMParser().parseFromStrin...
Convert a char to upper case using regular expressions (EditPad Pro)
...
You can also capitalize the first letter of the match using \I1 and \I2 etc instead of $1 and $2.
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