大约有 40,000 项符合查询结果（耗时：0.0438秒） [XML]
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...试产品是否符合标准，导致 802.11 产品间的互通频频出现问题，而联盟的成立就是为了填补这一空缺。联盟还将推广符合 802.11 标准的无线网络技术作为己任，因此他们认为需要一个朗朗上口的名字来代替拗口的专业术语（呃…...
How can I break an outer loop with PHP?
I am looking to break an outer for/foreach loop in PHP.
6 Answers
6
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PHP获取图片颜色值的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP获取图片颜色值的方法本例讲述了PHP实现获取图片颜色值的方法，PHP获取图片颜色值检测图片主要颜色是通过imagecreatefromjpeg函数读取图片，再循环获得各个颜色...本例讲述了PHP实现获取图片颜色值的方法，PHP获取图片颜色值...
what is faster: in_array or isset? [closed]
... {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "Size: ", count($a), PHP_EOL;
$start = microtime( true );
for ($i = 0; $i < 10000; ++$i) {
isset($a[rand(1, 1000000)]);
}
$total_time = microtime( true ) - $start;
echo "Total time: ", number_format($total_time, 6), PHP_EOL;
$start = m...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
Why is the standard session lifetime 24 minutes (1440 seconds)?
I've been doing some research on PHP Session Handling and came across the session.gc_maxlifetime value of 1440 seconds.
I've been wondering why the standard value is 1440 and how it is calculated?
What is the basis for this calculation?
...
Fatal error: Maximum execution time of 30 seconds exceeded
...r that one script. To make it for all scripts you need to change it in the php.ini file. you could also do set_time_limit(0); if you want the script to run forever, or for a long time
– Haseeb
Dec 2 '13 at 16:12
...
How does PHP 'foreach' actually work?
...s significantly more complicated. First of all, it should be noted that in PHP "arrays" are really ordered dictionaries and they will be traversed according to this order (which matches the insertion order as long as you didn't use something like sort). This is opposed to iterating by the natural or...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...些自动学习得到的特征可以大大提高精确度，甚至在分类问题中比目前最好的分类算法效果还要好！
AutoEncoder存在一些变体，这里简要介绍下两个：
Sparse AutoEncoder稀疏自动编码器：
当然，我们还可以继续加上一些...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...些自动学习得到的特征可以大大提高精确度，甚至在分类问题中比目前最好的分类算法效果还要好！
AutoEncoder存在一些变体，这里简要介绍下两个：
Sparse AutoEncoder稀疏自动编码器：
当然，我们还可以继续加上一些...