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Maximum single-sell profit
Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...owmessage(L('illegal_operation'));
$ids = array_filter(explode(',', $_POST['ids']),"intval");
foreach ($ids as $id) {
$checkid = 'c-'.$id.'-'.$this->siteid;
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How to sort an array of hashes in ruby
I have an array, each of whose elements is a hash with three key/value pairs:
5 Answers
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App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...有限公司 版权所有，未经书面许可，不得转载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
JavaScript is in array
...ke IE < 9). There's a jQuery function for this: api.jquery.com/jQuery.inArray
– Vinicius Pinto
Oct 5 '12 at 14:42
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What is the best method to merge two PHP objects?
...cts only contain fields (no methods), this works:
$obj_merged = (object) array_merge((array) $obj1, (array) $obj2);
This actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
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json_decode to array
I am trying to decode a JSON string into an array but i get the following error.
12 Answers
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Bash empty array expansion with `set -u`
... writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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initializing a boolean array in java
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I just need to initialize all the array elements to Boolean false.
Either use boolean[] instead so that all values defaults to false:
boolean[] array = new boolean[size];
Or use Arrays#fill() to fill the entire array with Boolean.FALSE:
Boolean[] array ...
How to find the size of an array in postgresql
Is there any way to find a size of an array?
4 Answers
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