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Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
...eceive a
ClosedByInterruptException.
If this thread is blocked in a Selector then the thread's interrupt
status will be set and it will return immediately from the selection
operation.
If none of the previous conditions hold then this thread's interrupt
status will be set.
So, if...
How to upload a file in Django? [closed]
...ss DocumentForm(forms.Form):
docfile = forms.FileField(
label='Select a file',
help_text='max. 42 megabytes'
)
4. View: myproject/myapp/views.py
A view where all the magic happens. Pay attention how request.FILES are handled. For me, it was really hard to spot the fact tha...
How To Create Table with Identity Column
...ues ('NULL','address2')
insert into teppp ( addresss) values ('address3')
select * from teppp
null string , address1
NULL,address2
NULL,address3
If you try inserting same values as below:
insert into teppp ( name,addresss) values ('','address4')
insert into teppp ( name,addresss) values ('NULL',...
What is database pooling?
...
@sagar please select the answer which you found to be most useful. You have no accept record.
– zengr
Nov 24 '10 at 7:01
...
Android EditText delete(backspace) key event
...
Works as long you don't use selection (autocompletion)
– Javatar
Oct 17 '17 at 8:57
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show 1 ...
Create Django model or update if exists
...large collection it won't scale well. update_or_create always first runs a SELECT and thereafter an UPDATE.
for the_bar in bars:
updated_rows = SomeModel.objects.filter(bar=the_bar).update(foo=100)
if not updated_rows:
# if not exists, create new
SomeModel.object...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...the values in your code be reused to compute the cluster quality to aid in selecting the number of optimal clusters?
– Legend
Jul 11 '11 at 6:10
6
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Visual Studio: Is there a way to collapse all items of Solution Explorer?
...stalled, you can right click on the solution in the solution explorer, and select "Collapse All".
share
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Entity Framework 4 - AddObject vs Attach
...m d in context.Destinations
where d.Name == "Grand Canyon"
select d).Single();
}
DeleteDestination(canyon);
}
private static void DeleteDestination(Destination destination)
{
using (var context = new BreakAwayContext())
{
context.Destinations.Attach(destinatio...
Android static object lifecycle
...vity
state so that on restart, the fields
get filled with their previously
selected values, you can implement
the onSaveInstanceState() activity
method - note that this is not
recommended for between activities
persistance of states.
You can get some code examples of the usage of preferences, inte...