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Creating and playing a sound in swift

...ay() { AudioServicesPlaySystemSound(soundEffect) } } Usage: testSound = Sound(name: "test", type: "caf") testSound.play() share | improve this answer | follow...
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How can mixed data types (int, float, char, etc) be stored in an array?

...y elements a discriminated union, aka tagged union. struct { enum { is_int, is_float, is_char } type; union { int ival; float fval; char cval; } val; } my_array[10]; The type member is used to hold the choice of which member of the union is should be used for e...
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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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What is the difference between shallow copy, deepcopy and normal assignment operation?

... @grc But I have tried an example(I remove the new line here.) list_=[[1,2],[3,4]] newlist = list_.copy() list_[0]=[7,8] print(list_) print(newlist) The newlist still display [[1, 2], [3, 4]]. But list_[0] is a list which is mutable. – Alston Nov 12 '16...
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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...
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What is the most efficient Java Collections library? [closed]

...on't think anyone reading this should listen to either of us. They should test their own use case and see what has the best performance. My comments are based on my team's fairly aggressive performance tests with a variety of libraries. YMMV. – Alex Miller
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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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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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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? ...