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Correctly determine if date string is a valid date in that format
...her solution. And for php version 5.2 support stopped on January 2011, for 5.3 support stopped on August 2014.
– Glavić
Oct 23 '14 at 15:56
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How to resolve “must be an instance of string, string given” prior to PHP 7?
...would pass the object type verification. Unfortunately it's not yet in PHP 5.3, might come in 5.4, so haven't tested this.
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How to extract the n-th elements from a list of tuples?
...gs:
list comprehension: 4.73 ms ± 206 µs per loop
list(map): 5.3 ms ± 167 µs per loop
dict: 2.25 ms ± 103 µs per loop
list(zip) 5.2 ms ± 252 µs per loop
numpy array: 28.7 ms ± 1.88 ms per loop
Note that map() and zip() do not return a list anym...
Can you have a within a ?
...tely clear.
HTML5 specification (including the most current draft of HTML 5.3 dated November 16, 2017) changes terminology, but it's still perfectly valid to place span inside another span.
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浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用AWK来解析日志，当然你也可以使用Perl或别的你熟悉的语言：
#!/usr/bin/awk -f
BEGIN {
FS="&";
}
NF == 4 {
param["page_x"] = "0";
param["page_y"] = "0";
param["screen_width"] = "0";
param["screen_height"] = "0";
split($0,...
ssh “permissions are too open” error
...aven't tested every combination with every version. I have tried 0660 with 5.3p1-84 on CentOS 6, and the group not the primary group of the user but a secondary group, and it works fine.
This would typically not be done for someone's personal key, but for a key used for automation, in a situation w...
谈谈创业公司技术的工作模式 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，根据人来选择不同的工作模式，就像豆瓣CEO说的，什么语言工具技术都没关系，最重要的是人、团队。相信经过大家的磨合， 每一个都是超人（技能、沟通、合作）的团队就是这么诞生的。
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Rebase array keys after unsetting elements
...
Late answer but, after PHP 5.3 could be so;
$array = array(1, 2, 3, 4, 5);
$array = array_values(array_filter($array, function($v) {
return !($v == 1 || $v == 2);
}));
print_r($array);
...
PHP: Return all dates between two dates in an array [duplicate]
... ViNce does NOT include the end date for the period.
If you are using PHP 5.3+, your best bet is to use a function like this:
/**
* Generate an array of string dates between 2 dates
*
* @param string $start Start date
* @param string $end End date
* @param string $format Output format (Defaul...
What does the PHP error message “Notice: Use of undefined constant” mean?
...option constants for round() such as PHP_ROUND_HALF_DOWN only exist in PHP 5.3 or later.
So if you tried to use this feature in PHP 5.2, say:
$rounded = round($my_var, 0, PHP_ROUND_HALF_DOWN);
You'd get this error message:
Use of undefined constant PHP_ROUND_HALF_DOWN - assumed
'PHP_ROUND_...