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How to add url parameters to Django template url tag?
...Is there anyway to pass a dynamic number of kwargs by passing a dictionary from context? e.g. {% url target_link target_kwargs %} it would be like the equivalent of passing **kwargs to a function. I have a use case where target_link is variable and therefore number of kwargs in url is not know
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...t to work with float series where possible, even when the series is upcast from int to float due to inclusion of NaN values. This enables vectorised NumPy-based calculations where, otherwise, Python-level loops would be processed.
The docs do suggest : "One possibility is to use dtype=object arrays...
Looping through array and removing items, without breaking for loop
... the next item in the iteration, since the indexing affects only the items from the current point to the end of the Array, and the next item in the iteration is lower than the current point.
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How to wait for all threads to finish, using ExecutorService?
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@AlikElzin-kilaka Quote from the JavaDocs (linked in the answer): "Executes the given tasks, returning a list of Futures holding their status and results when all complete. Future.isDone() is true for each element of the returned list."
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Razor view engine, how to enter preprocessor(#if debug)
...sing this, probably because in Release mode the debug attribute is removed from web.config entirely.
– Alex Angas
Feb 27 '14 at 3:55
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Why is the JVM stack-based and the Dalvik VM register-based?
...on an architecture with few registers (e.g. IA32).
In Dalvik VM Internals from Google I/O 2008, the Dalvik creator Dan Bornstein gives the following arguments for choosing a register-based VM on slide 35 of the presentation slides:
Register Machine
Why?
avoid instruction dispatch
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Enter triggers button click
...n this situation. If you specifically set type="button", then it's removed from consideration by the browser.
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Can inner classes access private variables?
...t is similar to what @LokiAstari shown us in his answer. Here's an excerpt from Effective Java 2nd Ed "Item 22: Favor static member classes over nonstatic": "If you omit this modifier (static keyword when declaring inner class), each instance will have an extraneous reference to its enclosing instan...
Is bool a native C type?
...cts of type _Bool hold either 0 or 1, while true and false are also macros from stdbool.h.
Note, BTW, that this implies that C preprocessor will interpret #if true as #if 0 unless stdbool.h is included. Meanwhile, C++ preprocessor is required to natively recognize true as a language literal.
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filters on ng-model in an input
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Reassigning scope variable from within $watch forces the listener to be invoked again. In simple cases (where your filter is idempotent) you will end up with the filter executing twice on every modification.
– BorisOkunskiy
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