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String literals and escape characters in postgresql
...n to file as '\n' rather than as a newline when I used it in the query argum>me m>nt to psql's `\copy' m>me m>ta-command.
– Stew
Dec 31 '15 at 17:09
add a comm>me m>nt
| ...
How to select rows with one or more nulls from a pandas DataFram>me m> without listing columns explicitly
I have a datafram>me m> with ~300K rows and ~40 columns.
I want to find out if any rows contain null values - and put these 'null'-rows into a separate datafram>me m> so that I could explore them easily.
...
What does “./bin/www” do in Express 4.x?
...('http');
var path = require('path');
var app = express();
// all environm>me m>nts
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirnam>me m>, 'views'));
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.compress());
app.us...
Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...t understand the difference between Iterable and Traversable traits. Can som>me m>one explain ?
4 Answers
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await vs Task.Wait - Deadlock?
...s deadlock.
await will asynchronously wait until the task completes. This m>me m>ans the current m>me m>thod is "paused" (its state is captured) and the m>me m>thod returns an incomplete task to its caller. Later, when the await expression completes, the remainder of the m>me m>thod is scheduled as a continuation.
Yo...
How to use the CancellationToken property?
...
You can implem>me m>nt your work m>me m>thod as follows:
private static void Work(CancellationToken cancelToken)
{
while (true)
{
if(cancelToken.IsCancellationRequested)
{
return;
}
Console.Write...
How do you specify the date format used when JAXB marshals xsd:dateTim>me m>?
...hen JAXB marshals a date object ( XMLGregorianCalendar ) into an xsd:dateTim>me m> elem>me m>nt. How can you specify the format of the resulting XML?
...
Correct use for angular-translate in controllers
...t using a filter in the View or in a Controller would behave exactly the sam>me m>. That doesn't seem to be the case here.
– ndequeker
Dec 12 '13 at 13:20
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Soft wrap at 80 characters in Vim in window of arbitrary width
I want to use Vim's soft wrap capability ( :set wrap ) to wrap som>me m> code at 80 characters, regardless of my actual window width.
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How to perform OR condition in django queryset?
...
from django.db.models import Q
User.objects.filter(Q(incom>me m>__gte=5000) | Q(incom>me m>__isnull=True))
via Docum>me m>ntation
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