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What's the need of array with zero elements?

...alloc (kmalloc in this case) twice. You would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was standardized in C99. The standard format for it now is: struct bts_action { ...
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Is it possible to run a single test in MiniTest?

...b -l 25 Yup! Use Nick Quaranto's "m" gem. With it you can say: m spec/my_spec.rb:25 share | improve this answer | follow | ...
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How to get the last N rows of a pandas DataFrame?

... dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') : 3 Answers ...
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Trying to mock datetime.date.today(), but not working

...ock.patch('datetime.date.today') def test(): datetime.date.today.return_value = date(2010, 1, 1) print datetime.date.today() Unfortunately, this won't work: >>> test() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "build/bdist.macosx-...
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

... It does now -- at least, clang does: long long add_100k_signed(int *data, int arraySize) { long long sum = 0; for (int c = 0; c < arraySize; ++c) if (data[c] >= 128) for (int i = 0; i < 100000; ++i) sum += data[c]; re...
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PDO closing connection

...>connection = new PDO(); $this->connection->query('KILL CONNECTION_ID()'); $this->connection = null; share | improve this answer | follow | ...
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How do I write a short literal in C++?

....0; c = (short)2; d = '\2'; Compile -> disassemble -> movl $2, _a movl $2, _b movl $2, _c movl $2, _d share | improve this answer | follow ...
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In Intellij, how do I toggle between camel case and underscore spaced?

...storyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or perhaps a plugin that can do this? ...
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What does `:_*` (colon underscore star) do in Scala?

...to the method with repeated parameters (as denoted with Node* above). The _* type annotation is covered in "4.6.2 Repeated Parameters" of the SLS. The last value parameter of a parameter section may be suffixed by “*”, e.g. (..., x:T *). The type of such a repeated parameter inside th...
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Java abstract interface

...ared" abstract? It's not. public abstract interface Interface { \___.__/ | '----> Neither this... public void interfacing(); public abstract boolean interfacing(boolean really); \___.__/ | '----> nor this, are ne...