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i want able dynamically exclude join based on boolean parameters, @ code below, how can exclude join if 'includejoin' variable false or there way dynamically add joins class program { static void main(string[] args) { list<foo> foolist = new list<foo>(); foolist.add(new foo{foo_id = 1}); foolist.add(new foo{foo_id = 2}); list<bar> barlist = new list<bar>(); barlist.add(new bar{foo_id = 1}); barlist.add(new bar{foo_id = 1}); iqueryable<foo> fooquery = foolist.asqueryable(); iqueryable<bar> barquery = barlist.asqueryable(); bool includejoin = false; var foos = f in foolist //exclude join if includejoin vairable false!! join b in barlist on f.foo_id equals b.foo_id g result in g.defaultifempty() select new foo { foo_id = f.foo_id }; var results = foos.tolist(); ...

how encode 7 digit integer 4 digit string in java? i have base36 decoder, generating 6 characters, ex:230150206 converted 3t0x1a. the code follows: string f = "230150206"; int d = integer.parseint(f.tostring()); stringbuffer b36num = new stringbuffer(); { b36num.insert(0,(base36(d%36))); d = d/ 36; } while (d > 36); b36num.insert(0,(base36(d))); system.out.println(b36num.tostring()); } /** take number between 0 , 35 , return character reprsenting number. 0 0, 1 1, 10 a, 11 b... 35 z @param int number change base36 @return character resprenting number in base36 */ private static character base36 (int x) { if (x == 10) x = 48; else if (x < 10) x = x + 48; else x = x + 54; return new character((char)x); } can 1 share me other way achieve this?. the obtained string can made in substring, looking other way it. here method, in simple test...

i trying make version of pong using pygame, having issues detecting collision between ball , paddle. got detection working both paddles, came realize left player cannot move paddle when ball collides without ball passing through. player on right has no such issue, , keeping left player still allows ball reflect normally. import pygame, sys pygame.locals import * pygame.init() pygame.mixer.init() pygame.font.init() black = (0, 0, 0) white = (255, 255, 255) screenx = 1080 screeny = 720 clock = pygame.time.clock() pygame.mouse.get_pos in (screenx, screeny): pygame.mouse.set_visible(false) # blueprint creating player character class player: # defines initial conditions player def __init__(self): self.xpos = 0 self.ypos = 0 self.width = 20 self.length = 100 self.speed = 10 self.move = 0 self.upkey = 0 self.downkey = 0 self.score = 0 self.rect = pygame.rect((self.xpos, self.ypos, self.w...

i need use idictionary in project. when add compiler not , report obvious error “error c2872: 'idictionary' : ambiguous symbol” . if create new sample project compiler never reports error below code snippet temp.h #pragma once #using "system.dll" using namespace::system; using namespace::system::collections; using namespace::system::collections::specialized; public ref class mycollection : public nameobjectcollectionbase { private: dictionaryentry^ _de; // gets key-and-value pair (dictionaryentry) using index. public: property dictionaryentry^ default[ int ] { dictionaryentry^ get(int index) { _de->key = this->basegetkey( index ); _de->value = this->baseget( index ); return( _de ); } } // adds elements idictionary new collection. mycollection( idictionary^ d ) { _de = gcnew dictionaryentry(); each ( dictionaryentry^ de in d ) { this->baseadd( (string^) de->key, de->value...

the project based on spring-data-mongodb use @indexed doesn't work when use multi-tenant collections.the following code: @document(collection = "#{ @tenantprovider.gettenant()}activity") @data public class activity { @id private string id; @indexed private string activityid; } if collection definition dynamic of course have make sure you're creating indexes manually there's no way determine possible collections might affected. users go ahead , create indexes manually using indexoperations .

i set flagfile this: declare_string(flagfile); int main(int argc, char** argv) { flags_flagfile = "./conf/default.conf" parsecommandlineflags(&argc, &argv, true); .... } then change flagfile command line ./main --flagfile=./conf/another.conf but flagfile still "./conf/default.conf" how set flagfile's default value , accept changes command line? you can check parameters before calling parsecommandlineflags function. for example like: std::regex flag_regex("--flagfile=(.+.conf)") std::smatch reg_match; if(std::regex_match(std::string(argv[1]), reg_match, flag_regex){ flags_flagfile = reg_match[0]; } that way use other configuration file. can change regex match differently depending on need.

the border isn't showing in table reason when i'm using css style it. however, if style in directly inside table tag, works. please take @ code: test.php <head> <style> table { border: 1px solid black; } </style> </head> <?php echo "<body>"; echo "<table>"; echo "<tr>"; echo "<td> hello1 </td>"; echo "<td> hello2 </td>"; echo "<td> hello3 </td>"; echo "</tr>"; echo "</table>"; echo "</body>"; ?> try code... table { border-collapse: collapse; } table td { border: 1px solid #333; } <html> <head><title>demo</title></head> <body> <table> <tr> <td>test1</td> <td>test2</td> <td>test3</td> <td>test4</td...