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WPF OpenFileDialog with the MVVM pattern? [duplicate]
..._openCommand;
public RelayCommand OpenCommand
{
//You know the drill.
...
}
private IOService _ioService;
public MyViewModel(IOService ioService)
{
_ioService = ioService;
OpenCommand = new RelayCommand(OpenFile);
}
pr...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
...e,'actionBeingCalled')
.returns(httpPromise(200));
Known that, httpPromise can be :
const httpPromise = (code) => new Promise((resolve, reject) =>
(code >= 200 && code <= 299) ? resolve({ code }) : reject({ code, error:true })
);
...
What do linkers do?
I've always wondered. I know that compilers convert the code you write into binaries but what do linkers do? They've always been a mystery to me.
...
Should private helper methods be static if they can be static
...ect. My IDE will also show calls to static methods in italics, so I will know the method is static without looking the signature.
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In Python, using argparse, allow only positive integers
... case, you can also use the choices parameter if your upper limit is also known:
parser.add_argument('foo', type=int, choices=xrange(5, 10))
Note: Use range instead of xrange for python 3.x
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop with RPi
Install vncserver on Raspberry Pi
$ sudo apt-get update
$ sudo ap...
Python Requests and persistent sessions
...less than 30 minutes old
lastModification = (datetime.datetime.now() - time).seconds
if lastModification < self.maxSessionTime:
with open(self.sessionFile, "rb") as f:
self.session = pickle.load(f)
wasReadFromCache = ...
How does _gaq.push(['_trackPageLoadTime']) work?
...ported in the above listed cases, called NavigationTiming.
EDIT: This is now supported in Firefox 7
(Important to note that it doesn't run on every load; instead, it currently samples around 2% of pageviews, though it is configured to try to track all page loads on 10% of visits; as more browsers...
URLs: Dash vs. Underscore [closed]
...le Webmasters: youtube.com/watch?v=AQcSFsQyct8. Per that video (admittedly now 6 years old and possibly not representing the contemporary status quo), foo_bar is treated as a single word while foo-bar is treated as two words - precisely the opposite of what this answer speculates is the case.
...
Importing from a relative path in Python
...imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a caveat, this will only work if you run your python as a module, from out...