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Define a lambda expression that raises an Exception
...ur goal is to avoid a def, this obviously doesn't cut it. It does, however allow you to conditionally raise exceptions, e.g.:
y = lambda x: 2*x if x < 10 else raise_(Exception('foobar'))
Alternatively you can raise an exception without defining a named function. All you need is a strong stom...
Complex nesting of partials and templates
...e looking for, and it is much simpler to use than ui-router. From the demo site:
JS:
$routeSegmentProvider.
when('/section1', 's1.home').
when('/section1/:id', 's1.itemInfo.overview').
when('/section2', 's2').
segment('s1', {
templateUrl: 'templates/section1.html',
...
Dynamically set local variable [duplicate]
How do you dynamically set local variable in Python (where the variable name is dynamic)?
7 Answers
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Django URL Redirect
... at this - docs.djangoproject.com/en/dev/howto/error-reporting/…. When a site is under development it is always good to have DEBUG = True or at least set the ADMINS option - docs.djangoproject.com/en/dev/ref/settings/#std:setting-ADMINS
– dmg
Feb 21 '13 at 9:...
How to implement __iter__(self) for a container object (Python)
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I normally would use a generator function. Each time you use a yield statement, it will add an item to the sequence.
The following will create an iterator that yields five, and then every item in some_list.
def __iter__(self):
...
When should I use a struct rather than a class in C#?
...n-Core value-types or a mandatory 'struct' keyword at variable declaration site.
– user166390
Jan 27 '11 at 18:36
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How exactly does __attribute__((constructor)) work?
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It runs when a shared library is loaded, typically during program startup.
That's how all GCC attributes are; presumably to distinguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destructo...
Elasticsearch query to return all records
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form...
...
Can I find out the return value before returning while debugging in Visual Studio?
...ne in Visual Studio 2013 with CLR 4.5.1 according to the customer feedback site. It was not available in previous versions for C#.
(Visual Studio 2008 and earlier supported it for VB.NET. It has always been available to C/C++ developers.)
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Why does ReSharper tell me “implicitly captured closure”?
... use.
The compiler generates a class for both lambda expressions and puts all variables in that class which are used in the lambda expressions.
So in my example g and i are held in the same class for execution of my delegates. If g is a heavy object with a lot of resources left behind, the garbage...