我想根据magento上的属性值来获取图像。
示例:
Attribute > MyAttribute
Values > Nasa, Google, Linux
Images > Nasa.jpg, Google.jpg, Linux.jpg
Products >
Product Nasa < Get Nasa.jpg if is selected an attribute
Product Google < Get Google.jpg if is selected an attribute
Product Linux < Get Linux.jp
我正在尝试具体地模仿,这个属性:
# web-scraper object
has 'worker' => (
is => 'ro',
isa => 'Web::Scraper',
default => sub {
scraper(sub { });
}
);
但是,当我将相同的代码放入我的类中时,我得到以下错误:
Not a HASH reference at accessor MyModule::scraper
下面是我的代码:
has 'scr
我的构建和主机平台是带有suse Linux的X86_64。我的目标平台是arm-linux-gnueabi。我用clang编译了3.6.0版的源代码。使用-target = arm-linux-gnueabi运行的编译器失败,并显示以下信息
/usr/include/pthread.h:655:6: error: 'regparm' is not valid on this platform
__cleanup_fct_attribute;
^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/bits/pthreadtypes.h:2
我正试图按照中的示例创建一个可运行的Moose程序
package LaborData::Data::DBIxTest;
use Moose;
use Modern::Perl;
use LaborData::Data::Schema;
with 'DB', 'MooseX::Runnable';
sub run {
my ($self, $name) = @_;
say $name;
}
但当我跑
mx-run LaborData::Data::DBIxTest.pm hi
在命令行中,我得到以下错误:
Attribute (class) does
In file included from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/op.h:499,
from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/perl.h:2754,
from gd_wrap.c:731:
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/reentr.h:612: error: field ‘_cryp
我使用下面的Linux和Windows perl库:
Linux:
use Fcntl;
use File::FcntlLock
Windows:
use Win32::API;
use Win32API::File qw(:Func :Misc :FILE_:FILE_FLAG_ :FILE_SHARE_ :FILE_ATTRIBUTE_ :GENERIC_ )
因此,在我用来运行脚本的主机(Linux或Windows)的基础上,我加载了这个包-
my $linux_packages = "use Fcntl; use File::FcntlLock; use File::Copy
在编译包含没有open("FILENAME", O_RDONLY);标志的-O2的文件时,一切都很好。但是,当-O2被打开时,我得到:
/usr/include/x86_64-linux-gnu/bits/fcntl2.h: In function ‘open’:
/usr/include/x86_64-linux-gnu/bits/fcntl2.h:44:7: error: invalid use of ‘__builtin_va_arg_pack_len ()’
/usr/include/x86_64-linux-gnu/bits/fcntl2.h:45:26: error
在Linux/macOS上使用CMake的时,默认情况下它会为共享库生成类似的内容:
# ifndef SOMELIB_EXPORT
# ifdef somelib_EXPORTS
/* We are building this library */
# define SOMELIB_EXPORT __attribute__((visibility("default")))
# else
/* We are using this library */
# define SOMELIB_EXPORT __attri
我最近下载了链接中提到的代码。我的GCC版本是4.1.2。在console中开始出现以下错误之前,编译过程至少进行了一个小时。
LLVM支持声明我需要使用gcc44-c++,这在我们的机器中是不可用的:
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
# yum install gcc44-c++
Loaded plugins: security
ppsd-nonprod-base
下面是一个“可执行”共享库的最小示例(假定文件名:mini.c):
// Interpreter path is different on some systems
//+definitely different for 32-Bit machines
const char my_interp[] __attribute__((section(".interp")))
= "/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2";
#include <stdio.h>
#include <stdli
使用
mysql Ver 14.12 Distrib 5.0.45, for redhat-linux-gnu (i686) using readline 5.0
我有一个这样定义的表:
+-----------------------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------------------+--------------+------+-----+--------
目前,我有一段在Windows中工作的代码,但我想知道如何使它与Linux兼容(可能使用POSIX):我正在使用QB64。
REM Example library call written in QB64 for Windows
DECLARE LIBRARY
FUNCTION GetFileAttributes& (f$)
FUNCTION SetFileAttributes& (f$, BYVAL a&)
END DECLARE
DIM ASCIIZ AS STRING * 260
DIM Attribute AS LONG
Filename$ =
代码运行良好,但突然之间,这个错误开始产生,尽管我没有更改代码基。
searched_tweets = ( status._json for status in tweepy.Cursor(api.search, q=query, count=300, since=from_date, until=to_date,
File "build/bdist.linux-x86_64/egg/tweepy/cursor.py", line 197, in next
File "build/bdist.linux-x86_64/egg/tweepy/cursor.py
我正在尝试分析一个C程序的预处理阶段。下面是一个简单的计算圆面积的C程序。
#include<stdio.h>
#define PI 3.14
float area_circle(int r) //function to calculate area
{
float ar;
ar=PI*r*r;
return ar;
}
main() //main function
{
int rad;
float area;
printf("Enter the radius of circle: ");
$ gcc -c exsystem.c
In file included from exsystem1.c:39:
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/include/varargs.h:4:2: error: #error "GCC no longer implements <varargs.h>."
/usr/lib/gcc/x86_64-redhat-linux/4.4.7/include/varargs.h:5:2: error: #error "Revise your code to use <