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How do I create a category in Xcode 6 or higher?

...ey just moved it without telling anyone. Click File -> New -> File Select Objective-C file under Sources in iOS or Mac OS respectively and Click Next Now under File Type: choose either Category, Protocol, or Extension PS. Under File Name: whatever you type here will be either the Category,...
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Laravel Eloquent groupBy() AND also return count of each group

...working for me: $user_info = DB::table('usermetas') ->select('browser', DB::raw('count(*) as total')) ->groupBy('browser') ->get(); share | ...
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Can an enum class be converted to the underlying type?

...t16_t /*v*/) { std::cout << "uint16_t!\n"; } int main(int argc, char* argv[]) { SomeEnum e = B; write(util::underlying_cast(e)); return 0; } share | improve this answer ...
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What does extern inline do?

..., ## s); //=========== MACRO MAGIC ENDS ============ int main (int argc, char** argv) { LOG("Greetings StackOverflow! - from enthusiasticgeek\n"); return 0; } For multiple files define these macros in a separate header file including the same in each c/cc/cxx/cpp files. Please prefer inlin...
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How to inspect the return value of a function in GDB?

...ue -- given the program int fun() { return 42; } int main( int argc, char *v[] ) { fun(); return 0; } You can debug it as such -- (gdb) r Starting program: /usr/home/hark/a.out Breakpoint 1, fun () at test.c:2 2 return 42; (gdb) finish Run till exit from #0 fun () a...
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Best way to organize jQuery/JavaScript code (2013) [closed]

... var parent = ""; if(selected_folder != "" ){ parent = selected_folder+" .content"; } $R.find(".layer").clone() .addClass(name).html(...
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App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎...

...原始调用中指定的标签以及新行或更新行的行 ID。 AfterSelect(tag,rowCount,rows) 此事件在异步 Select 调用后触发。 提供原始调用中指定的标签、返回的行数以及结果行数据。 AfterUpdate(tag,rowCount) 此事件在异步 Update 调用后触发。...
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How to select an element with 2 classes [duplicate]

... You can chain class selectors without a space between them: .a.b { color: #666; } Note that, if it matters to you, IE6 treats .a.b as .b, so in that browser both div.a.b and div.b will have gray text. See this answer for a comparison bet...
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SQL Server : GROUP BY clause to get comma-separated values [duplicate]

... try this: SELECT ReportId, Email = STUFF((SELECT ', ' + Email FROM your_table b WHERE b.ReportId = a.ReportId FOR XML PATH('')), 1, 2, '') FROM your_table a GROUP BY ReportId SQL fiddle demo ...
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Python pandas Filtering out nan from a data selection of a column of strings

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...