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How do I update/upsert a document in Mongoose?
...faults, setters, validators, middleware" mongoosejs.com/docs/api.html#model_Model.findOneAndUpdate
– kellen
Nov 6 '14 at 16:56
...
How does “cat
...rmat to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
bl...
python location on mac osx
...ew install - ofc)
your file is located in:
/usr/local/Cellar/python/3.6.4_4/bin/python3
How do you know?
Run:
which python3
You should get:
/usr/local/bin/python3
Now this is a symbolic link, how do you know? Run:
ls -al /usr/local/bin/python3
and you'll get:
/usr/local/bin/python3 -...
How to disable back swipe gesture in UINavigationController on iOS 7
...stureRecognizerDelegate>' from incompatible type 'ViewController *const __strong'
– David Douglas
Feb 6 '15 at 19:03
2
...
How can I call a custom Django manage.py command directly from a test driver?
...cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
share
|
...
Which Boost features overlap with C++11?
...)
Local function → Lambda expression
Min-Max → std::minmax, std::minmax_element
Ratio → std::ratio
Static Assert → static_assert
Thread → <thread>, etc (but check this question).
Typeof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions ...
Differences between socket.io and websockets
...s) => {
console.error('express connection');
res.sendFile(path.join(__dirname, 'ws.html'));
});
app.ws('/', (s, req) => {
console.error('websocket connection');
for (var t = 0; t < 3; t++)
setTimeout(() => s.send('message from server', ()=>{}), 1000*t);
});
app.listen(3001...
How to count objects in PowerShell?
...
Another option: get-alias | measure | % { $_.Count }
– Shameer
Oct 2 '15 at 19:38
fyi:...
Best practice using NSLocalizedString
...our string files, discarding all your previous translations.
I wrote update_strings.py to parse the old strings file, run genstrings and fill in the blanks so that you don't have to manually restore your existing translations.
The script tries to match the existing string files as closely as possibl...
How to check which version of v8 is installed with my NodeJS?
... version (don't know since when this is available)
> npm version
{ http_parser: '1.0',
node: '0.10.35',
v8: '3.14.5.9',
ares: '1.9.0-DEV',
uv: '0.10.30',
zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
...