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is there way create alias class/stuct filed in c++11 ? mean i've got class class vector4 { public: float x,y,z,w; } i got alias typedef vector4 color; is there way create aliases vector4 x,y,z,w fields work color r,g,b,a ? just define vector4 this, using anonymous unions (without anonymous structs, though common extension). typedef struct vector4 { union{float x; float r;}; union{float y; float g;}; union{float z; float b;}; union{float w; float a;}; } vector4; typedef vector4 color; if cannot redefine vector4, might instead define layout-compatible standard-layout class , use dreaded reinterpret_cast . works because standard layout classes having layout-compatible members compatible. struct color { float r, g, b, a; } standard quote: a standard-layout class class that: — has no non-static data members of type non-standard-layout class (or array of such types) or reference, — has no virtual functions (10.3) ...

i trying take picture , view on screen following code: public class mainactivity extends actionbaractivity { private static final int picture_request_code = 100; public button camera, gallery; private uri fileuri; private static file mediafile; imageview image; public string filename; @override protected void oncreate(bundle savedinstancestate) { system.out.println("started main activity"); super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); camera = (button) findviewbyid(r.id.button1); gallery = (button) findviewbyid(r.id.button2); createlisteners(); } private static uri getoutputmediafile(){ file mediastoragedir = new file(environment.getexternalstoragepublicdirectory(environment.directory_pictures), "mustache"); if (! mediastoragedir.exists()){ if (! mediastoragedir.mkdirs()){ log.d("mycameraapp...

i have expensive query creates temporary table reporting purposes. having problem denial of service attack takes place 50+ of these queries pile (all same user). causes database server pretty taken down. query can take 1-10 seconds run , can have lot of rows in resulting temporary table. i not sure if there easy way improve query performance without re-architecting entire reporting piece of application. what solutions can use apply solve problem these queries piling , taking down server. my questions are: can think of solution improving query performance (query below) does make sense place session limit of 1 query can run once , prevent pile up any other ideas on how prevent attack. here query: create temporary table phppos_sales_items_temp (select phppos_sales.deleted deleted,phppos_sales.deleted_by deleted_by, sale_time, date(sale_time) sale_date, phppos_sales_items.sale_id, comment,payment_type, customer_id, employee_id, phppos_items.item_id, null item_kit_id, ...

whenever run loop: system.out.println("how many gerbils in lab?"); int population = keyboard.nextint(); gerbil[] gerbil = new gerbil[population]; (int i=0; i<population; i++){ gerbil = new gerbil[population]; idnumber: (int b = 0; b<population; b++){ system.out.println("what id number of gerbil " + (b+1)); string idnumberx = keyboard.next(); if (b>0){ (int c = 0; c<gerbil.length; c++){ if (idnumberx.equals(gerbil[c].getid())){ system.out.println("repeat, try again"); c--; } else { return; } } } } i end output: how many gerbils in lab? 2 id number of gerbil 1 123 id number of gerbil 2 456 excepti...

been @ 1 while now, appreciate help. i'm create , object card enum values rank , suit based on string input. string in format of '2c, ad' etc. 2 clubs , ace diamonds respectively. i tried using linear search function found elsewhere on stackoverflow, it's in there returns -1 because doesn't seem getting right type of input. i've been able convert other way using char * array, can't life of me opposite way around. see below implementation: card.h #ifndef _card_h #define _card_h #include <string> #include <iostream> using namespace std; enum rank{ two, three, four, five, six, seven, eight, nine, ten, jack, queen, king, ace}; enum suit{ clubs, diamonds, hearts, spades}; //character sets used convert enums strings static const char * rankstrings[] = { "2", "3", "4", "5", "6", "7", "8", "9", "t", "j", "q",...

i'm using express , jade on top of node.js build web app. have express route pulls list of words database , sends list jade array object rendering. want render jade page on client side each word, when clicked on, send distinct message server. my code far looks this... ./routes/show_words_to_user.js: exports.render_page = function(req, res){ dbclient.query('select word words;', function(err, result){ res.render('pagetitle',{wordlist:result,userdata:userobj}); }); }; ./views/words.jade: ul each word in wordlist li= word ./routes/update_preference.js (expects receive message client): exports.update_word = function(req, res){ dbclient.query('update words set userliked = 1 word=($1) , userid=($2)', [clickedword,userid],function(err, result){ res.send('your word updated.'); }; }; i need each word rendered in jade list act hyperlink send message server containing 1) name of word clicked...

i'm trying configure tfs 2010,while i'm using vs2012.in visual studio when follow steps below after entering server name form prompts me username , password or shows error message cannot connect remote server,but since don't have experiences configuring tfs don't know how find these information. i go eam explorer in vs i connect team projects i write server name colleague's system then i'm prompted credentials or shows error message cannot connect remote server,so can not continue... thanks in advance i found problem.the account not set correctly in team foundation administration console , after setting correctly,i able create new team projects , other clients able connect team project on server. thanks