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i have function tied keyboard arrow keys events in desktop website using jquery. $(document).keydown(function(e) { switch (e.which) { case 37: //left doit("leftside"); break; case 38: //up doit("upside"); break; case 39: //right doit("rightside"); break; case 40: //down doit("downside"); break; } } these working fine on desktop website, not on mobile website. (i know can't access arrow keys in mobile) i want corresponding functions executed in mobile website. (if user swipes left/up/right/down on mobile website) can me in this? i don't think can this, swipes swipes combination of different events (i.e. keydown, keyhold, keyup) . picking swipes via keyup , keydown events can difficult. better use plugin can explicitly detect swipes such hammer.js

i'm trying compile piece of code download website. but there issues when compile mex function i'm using mex -i./ -l/lib convolve.cpp (.h , .cpp file in same folder,my current folder) i don't know it's correct or not. but matlab says error using mex /tmp/mex_100625252862836_11288/convolve.o: in function `internal_reduce(double*, int, int, double*, double*, int, int, int, int, int, int, int, int, double*, char*)': convolve.cpp:(.text+0xa2): undefined reference `edge_function(char*)' /tmp/mex_100625252862836_11288/convolve.o: in function `internal_expand(double*, double*, double*, int, int, int, int, int, int, int, int, double*, int, int, char*)': convolve.cpp:(.text+0xae4): undefined reference `edge_function(char*)' collect2: error: ld returned 1 exit status this .h file /* ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; file: convolve.h ;;; author: simoncelli ;;; description: header file convolve...

i have seen many talks / read blog posts should have strict fields in data avoid various performance issues, e.g.: data person = person { personname :: !text , personbirthday :: !utctime } this makes total sense me. functions operation on data lazy, composability isn't sacrificed. yet if add maybe field: data person = person { personname :: !text , personbirthday :: !utctime , personaddress :: !(maybe address) } i'm introducing lazyness data structure, after maybe control structure. can't unevaluated thunk hide behind just constructor? however, there strict maybe in strict or thru strict-base-types . according reverse dependencies ( strict , strict-base-types ) aren't used. so question: why 1 should or shouldn't use strict maybe in not-control data definitions? reasons use strict either/maybe/tuple types: if profile code , notice space leak, way plug leak strict data types regarded useful thi...

im writing algorithm in python plays this game. the current state of board of tiles in game dictionary in form of: { <tile_id>: { 'counters': <number of counters on tile or none>, 'player': <player id of player holds tile or none>, 'neighbours': <list of ids of neighbouring tile> }, ... } i have dictionary stores of tiles 'full' (i.e. tile has 1 less counter number of neighbours , player me) dictionary, full_tiles , in same form board dictionary above. i trying create list, chains , each element in list dictionary of full tiles neighbouring @ least 1 other full tile (i.e chain of full tiles). list of seperate chains on board. here code far: for tile_id, tile in full_tiles.items(): #iterates through full tiles current_tile = {tile_id : tile} #temporarily stores current tile if not chains: #if chain...

i want perform method when soft keyboard closing. tried overriding onbackpressed() method didn't work because back-button changes when soft keyboard open (below screenshot of button). hide-soft-keyboard-button i tried using onkeylistener turned out doesn't work soft keyboard. , don't know keycode of "hide-soft-keyboard-button" either... i appreciate since couldn't find solution anywhere. you use layout listener see if root layout of activity resized keyboard detecting whether softkeyboard shown or has disappeared possible workarounds , hacks, hence not recommend it. it more appropriate set focus change listener on edittext : youredittext.setonfocuschangelistener(new onfocuschangelistener() { @override public void onfocuschange(view v, boolean hasfocus) { if (hasfocus) { //got focus } else { //lost focus } } });

i used following place call excerpt show, showing full post:- this in function:- add_action( 'init', 'my_add_excerpts_to_pages' ); function my_add_excerpts_to_pages() { add_post_type_support( 'page', 'excerpt' ); also query <?php // retrieve 1 post id of 5 query_posts( 'p=1' ); // set $more 0 in order first part of post global $more; $more = 0; // loop while (have_posts()) : the_post(); the_content( 'read full post »' ); endwhile; ?> please can advise? thanks

method calls can omit receiver , parentheses arguments: def foo; "foo" end foo # => "foo" in case above, foo ambiguous between method call , reference potential local variable. in absence of latter, interpreted method call. however, when method name can in principle constant name (i.e., when starts capital letter, , consists of letters), seems need disambiguation. def foo; "foo" end foo # => nameerror: uninitialized constant foo foo() # => "foo" self.foo # => "foo" why case? why method call need explicitly distinguished reference constant under absence of constant same name? the set of local variables in scope @ given point in program defined lexically , can determined statically, parse time. so, ruby knows before runtime local variables in scope , can distinguish between message send , local variable dereference. constants looked first lexically, via inheritance, i.e. dynamically. not known constan...