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What to do Regular expression pattern doesn't match anywhere in string?

...)code to show you what I mean: my $html = readLargeInputFile(); my @input_tags = $html =~ m/ ( <input # Starts with "<input" (?=[^>]*?type="hidden") # Use lookahead to make sure that type="hidden" [^>]+ # Grab t...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...ity(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters? ...
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How to prevent gcc optimizing some statements in C?

...ode is portable to other compilers which don't understand GCC's #pragma or __attribute__ syntax. share | improve this answer | follow | ...
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How do I choose grid and block dimensions for CUDA kernels?

...Occupancy article (currently found at nvidia.com/content/gtc-2010/pdfs/2238_gtc2010.pdf), There's a bitbucket with code here: bitbucket.org/rvuduc/volkov-gtc10 – ofer.sheffer Apr 10 '17 at 9:04 ...
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How to easily map c++ enums to strings

...::strings in the map) For extra syntactic sugar, here's how to write a map_init class. The goal is to allow std::map<MyEnum, const char*> MyMap; map_init(MyMap) (eValue1, "A") (eValue2, "B") (eValue3, "C") ; The function template <typename T> map_init(T&) returns a ma...
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How do I make a textbox that only accepts numbers?

... with this two event handlers on a standard TextBox: private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar) && (e.KeyChar != '.')) { e.Handled = true; } // only allow one de...
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multi-step registration process issues in asp.net mvc (split viewmodels, single model)

... send on each request. This model binder will be registered in Application_Start: ModelBinders.Binders.Add(typeof(IStepViewModel), new StepViewModelBinder()); The last missing bit of the puzzle are the views. Here's the main ~/Views/Wizard/Index.cshtml view: @using Microsoft.Web.Mvc @model Wiza...
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How do I implement interfaces in python?

...the trick. from abc import ABCMeta, abstractmethod class IInterface: __metaclass__ = ABCMeta @classmethod def version(self): return "1.0" @abstractmethod def show(self): raise NotImplementedError class MyServer(IInterface): def show(self): print 'Hello, World 2!' ...
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Types in MySQL: BigInt(20) vs Int(20)

...264 (22003): Out of range value for column 'id' at row 1 mysql> SET sql_mode = ''; Query OK, 0 rows affected, 1 warning (0,00 sec) mysql> INSERT INTO `test` (`id`) VALUES (401421228216); Query OK, 1 row affected, 1 warning (0,06 sec) mysql> SELECT * FROM `test`; +------------+ | id ...
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How to compile a static library in Linux?

...0); fun2(10); return 0; } lib.h the libs main header #ifndef LIB_H_INCLUDED #define LIB_H_INCLUDED #include "lib1.h" #include "lib2.h" #endif lib1.c first lib source #include "lib1.h" #include <stdio.h> void fun1 ( int x ) { printf("%i\n",x); } lib1.h the corresponding ...