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How to force LINQ Sum() to return 0 while source collection is empty
...rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.Any() ?
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The modulo operation on negative numbers in Python
...) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2), what is the week day N days before? In Python we can compute with
return (2...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...have the UIApplicationDelegate protocol in my main AppDelegate.m class, with the applicationDidBecomeActive method defined.
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Maximum request length exceeded.
...Maximum request length exceeded when I am trying to upload a video in my site.
14 Answers
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SSH to Vagrant box in Windows?
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edited Oct 4 '14 at 12:48
Adaptabi
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How do I use Django templates without the rest of Django?
...plate engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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Maximum call stack size exceeded error
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It means that somewhere in your code, you are calling a function which in turn calls another function and so forth, until you hit the call stack limit.
This is almost always because of a recursive function with a base case th...
How to retrieve an element from a set without removing it?
...set:
for e in s:
break
# e is now an element from s
Or...
e = next(iter(s))
But in general, sets don't support indexing or slicing.
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How to detect DIV's dimension changed?
I've the following sample html, there is a DIV which has 100% width. It contains some elements. While performing windows re-sizing, the inner elements may be re-positioned, and the dimension of the div may change. I'm asking if it is possible to hook the div's dimension change event? and How to do t...
Servlet for serving static content
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I came up with a slightly different solution. It's a bit hack-ish, but here is the mapping:
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet...