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Are HLists nothing more than a convoluted way of writing tuples?

...) // Publish their `HListIso`'s implicit def fooIso = Iso.hlist(Foo.apply _, Foo.unapply _) implicit def barIso = Iso.hlist(Bar.apply _, Bar.unapply _) // And now they're monoids ... implicitly[Monoid[Foo]] val f = Foo(13, "foo") |+| Foo(23, "bar") assert(f == Foo(36, "foobar")) implicitly[Monoi...
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Upgrading PHP in XAMPP for Windows?

...e\bin with the newer versions. Now the trick: take the files which have a '_2' in their names (for example php5apache2_2.dll or php5apache2_2_filter.dll), copy them in the apache\bin subdirectory and remove the '_2' part, overwriting the existing files. This is necessary because by XAMPP uses Apache...
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Is there an exponent operator in C#?

...h.Pow() is not an operator an thus has not the same usages as an operator ._. – Alexandre Daubricourt Dec 30 '18 at 13:35 add a comment  |  ...
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Passing arrays as url parameter

... There is a very simple solution: http_build_query(). It takes your query parameters as an associative array: $data = array( 1, 4, 'a' => 'b', 'c' => 'd' ); $query = http_build_query(array('aParam' => $data)); will return string(63) "...
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Running python script inside ipython

... from within the directory of "my_script.py" you can simply do: %run ./my_script.py share | improve this answer | follow ...
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Installation Issue with matplotlib Python [duplicate]

...! If anyone wants to understand what happened, see matplotlib.org/faq/usage_faq.html#what-is-a-backend – Andrey Shokhin Dec 9 '14 at 11:25 ...
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vc/mfc *通配符 批量删除文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...使用SHFileOperation函数:#include "stdafx.h"#include <windows.h>int _tmain(int argc, _TCHAR*...直接上代码,可直接运行亲测有效,使用SHFileOperation函数: #include "stdafx.h" #include <windows.h> int _tmain(int argc, _TCHAR* argv[]) { LPTSTR delFileName = L"c...
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phpcms后台表单多选统计不准确的解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...一次。 代码修改: phpcms\modules\formguide\templates\formguide_stat.tpl.php if(trim($__v[$v['field']])==trim($_kv)) $number++; 改为: if(strpos(trim($__v[$v['field']]), trim($_kv)) !== false) $number++; 这样就完全OK了。phpcms 后台表单 多选统计
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gdb打印c++ std::vector元素内容 - C/C++ - 清泛网 - 专注C/C++及内核技术

gdb打印c++ std::vector元素内容gdb_vector_print使用GDB调试程序或coredump时,直接 p vec 打印的是vector内部成员的信息,不能直观输出元素的内容。通过打印内部元素地址内容的方式,查看vector元素内容,不限gcc版本:(gdb) 使用GDB调试程...
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【解决】模拟器启动失败:ERROR: x86_64 emulation currently requires har...

...t code 8 handle puAcceleration: feature check for hvf emulator: ERROR: x86_64 emulation currently requires hardware acceleration! CPU acceleration status: Hill is not installed on this machine 解决方法: 安装硬件加速器,路径: ....\resources\app.asar.unpacked\Emulator\from-And...