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(HTML) Download a PDF file instead of opening them in browser when clicked
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you will need to use a PHP script (or an other server side language for this)
<?php
// We'll be outputting a PDF
header('Content-type: application/pdf');
// It will be called downloaded.pdf
header('Content-Disposition: attachment; filename="do...
How to read a large file line by line?
...od would stop without reaching the end of file. The Example #1 on this URL php.net/manual/en/function.fgets.php suggests that fgets sometimes can return boolean false even though end of file has yet not been reached. In the comment section on that page people report that fgets() doesn't always retur...
Use PHP to create, edit and delete crontab jobs?
Is it possible to use PHP to create, edit and delete crontab jobs?
12 Answers
12
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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 to output something in PowerShell
...int as one could easily be led to believe.
function test {
Write-Host 123
echo 456 # AKA 'Write-Output'
return 789
}
$x = test
Write-Host "x of type '$($x.GetType().name)' = $x"
Write-Host "`$x[0] = $($x[0])"
Write-Host "`$x[1] = $($x[1])"
Terminal output of the above:
123
x of ty...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...rocess在我们使用 Linux 系统时，如果网络或者磁盘等 I O 出问题，会发现进程卡住了，即使用 kill -9 也无法杀掉进程，很多常用的调试工具，比如 strace, pstack 等也都失灵了
在我们使用 Linux 系统时，如果网络或者磁盘等 I/O 出...
What is the function __construct used for?
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__construct was introduced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...ct in JavaScript (for debugging). Is there anything similar to var_dump in PHP?
9 Answers
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PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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PHP's array_map including keys
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Here's my very simple, PHP 5.5-compatible solution:
function array_map_assoc(callable $f, array $a) {
return array_column(array_map($f, array_keys($a), $a), 1, 0);
}
The callable you supply should itself return an array with two values, i.e. r...