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In Python how should I test if a variable is None, True or False
...ry:
result = simulate(open("myfile"))
except SimulationException as sim_exc:
print "error parsing stream", sim_exc
else:
if result:
print "result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a ...
Asynchronously wait for Task to complete with timeout
...TokenSource.Cancel();
return await task; // Very important in order to propagate exceptions
} else {
throw new TimeoutException("The operation has timed out.");
}
}
}
share
...
Argparse: Required arguments listed under “optional arguments”?
...call them):
parser = argparse.ArgumentParser(description='Foo')
parser.add_argument('-o', '--output', help='Output file name', default='stdout')
requiredNamed = parser.add_argument_group('required named arguments')
requiredNamed.add_argument('-i', '--input', help='Input file name', required=True)
p...
Getting “type or namespace name could not be found” but everything seems ok?
...
The compiler compiles according to the project build order, so if there is a genuine error in one project it can get lost in a sea of red-herring "type or namespace could not be found" errors - because it just exits when it finds the error, and doesn't get to updating the refer...
Advantages and disadvantages of GUID / UUID database keys
...a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order.
Can look ugly in a URL, but really, WTF are you doing putting a REAL DB key in a URL!? (This point disputed in comments below)
Harder to do manual debugging, but not that hard.
Personall...
How can I add or update a query string parameter?
...
polly fill, is not good, Unable to set property '__URLSearchParams__:0.8503766759030615' of undefined or null reference on ie11 you get that error. it's not a pollyfill if it doesn't work as a fallback.
– Val
Feb 8 '17 at 12:03
...
Animate a custom Dialog
...ion">
<item name="android:windowEnterAnimation">@anim/spin_in</item>
<item name="android:windowExitAnimation">@android:anim/slide_out_right</item>
</style>
</resources>
The windowEnterAnimation is one of my animations and is located in res...
What exactly is Apache Camel?
...
My take to describe this in a more accessible way...
In order to understand what Apache Camel is, you need to understand what Enterprise Integration Patterns are.
Let's start with what we presumably already know: The Singleton pattern, the Factory pattern, etc; They are merely wa...
Backbone.js fetch with parameters
... methodMap[method];
// Default JSON-request options.
var params = _.extend({
type: type,
dataType: 'json',
processData: false
}, options);
// Ensure that we have a URL.
if (!params.url) {
params.url = getUrl(model) || urlError();
}
...
How can I merge two commits into one if I already started rebase?
... rebase will be aborted.
#
(Notice that this todo list is in the reverse order as compared with the output of git log.)
Changing b’s pick to squash will result in the error you saw, but if instead you squash c into b (newer commit into the older or “squashing upward”) by changing the todo l...