我正在使用Ubuntu 12.04(精确穿山甲)和Oracle JDK 7,当我从Eclipse运行Android模拟器时,它给出了这个错误:
[2012-07-04 02:52:10 - Emulator] error libGL.so: cannot open shared object file: No such file or directory
[2012-07-04 02:52:10 - Emulator] Failed to load libGL.so
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此外,模拟器非常慢.我怎么解决这个问题?
我有一些问题需要了解array_multisort
看两个值相同时的排序方式:
$a1=array("Dog","Dog","Cat");
$a2=array("Pluto","Fido","Missy");
array_multisort($a1,$a2);
print_r($a1);
print_r($a2);
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上面代码的输出将是:
Array ( [0] => Cat [1] => Dog [2] => Dog )
Array ( [0] => Missy [1] => Fido [2] => Pluto )
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让我知道为什么Missy是第一个,如果你通过提升它必须是Array([0] => Fido,[1] => Missy,[2] => Pluto)下降反之亦然
也看到这个
使用排序参数:
$a1=array("Dog","Dog","Cat");
$a2=array("Pluto","Fido","Missy");
array_multisort($a1,SORT_ASC,$a2,SORT_DESC);
print_r($a1);
print_r($a2);
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上面代码的输出将是:
Array ( [0] => Cat [1] => Dog [2] => Dog )
Array ( [0] => Missy [1] => Pluto [2] => Fido )
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但是数组([0] => Missy [1] => Pluto [2] => Fido)不是在SORT_DESC是某种类型的混合. …
我下载了zend 2 dev3但它缺少ZendX_JQuery,开发团队是否会在zend2中关闭ZendX_JQuery?
array_udiff_assoc和array_diff_uassoc之间的区别是什么?
对于array_udiff_assoc,我得到了这个东西
<?php
function myfunction($v1,$v2)
{
if ($v1===$v2)
{
return 0;
}
return 1;
}
$a1=array("a"=>"Cat","b"=>"Dog","c"=>"Horse");
$a2=array("a"=>"Cat","b"=>"Horse","c"=>"Dog");
print_r(array_udiff_assoc($a1,$a2,"myfunction"));
?>
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结果
Array ( [b] Dog [c] => Horse )
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还有array_diff_uassoc
<?php
function myfunction($v1,$v2)
{
if ($v1===$v2)
{
return 0;
}
return 1;
}
$a1=array("a"=>"Cat","b"=>"Dog","c"=>"Horse");
$a2=array("a"=>"Cat","b"=>"Horse","c"=>"Dog");
print_r(array_diff_uassoc($a1,$a2,"myfunction"));
?>
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结果与第一个相同
Array ( [b] Dog [c] => Horse )
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是否有任何区别,如果有的话.Php手册没有像他们常说的那样说它们是别名.