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How to convert an array to object in PHP?
...error Fatal error: Cannot re-assign $this in /var/www/bot/inc/twitter-bot.php on line 10
– streetparade
Dec 8 '09 at 19:52
1
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micro:bit 微控制器教程 · App Inventor 2 中文网
...感器数据监控
3. 双向通信
常见问题
Q: 扫描不到 micro:bit 设备？
Q: 连接失败？
Q: 无法接收温度数据？
Q: 控制指令无效？
扩展功能
1. 添...
How do I prevent site scraping? [closed]
... to GitHub to read the extended version, with more tips and details.
In order to hinder scraping (also known as Webscraping, Screenscraping, Web data mining, Web harvesting, or Web data extraction), it helps to know how these scrapers work, and
, by extension, what prevents them from working wel...
PHP Fatal error: Using $this when not in object context
...
In my index.php I'm loading maybe
foobarfunc() like this:
foobar::foobarfunc(); // Wrong, it is not static method
but can also be
$foobar = new foobar; // correct
$foobar->foobarfunc();
You can not invoke method this w...
Saving timestamp in mysql table using php
...If so mysql expects the format to be Year-month-day Hour:minute:second. In order to save the timestamp you will have to convert the field to numeric using a query like
alter table <table_name> change <field> <field> bigint unsigned
If you are using the current time you can use n...
using href links inside tag
...s that use form controls to change the presentation of the page (eg., sort order.) These can be implemented either by AJAX to load new content into the page, or, in older implementations, by triggering new page loads, which is essentially a page link.
IMHO these are valid uses of a form control.
...
How to use Python to login to a webpage and retrieve cookies for later usage?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
“Cannot send session cache limiter - headers already sent” [duplicate]
...ge the encoding of my document from UTF-8 to ANSI. UTF-8 has a hidden Byte Order Mark prior to the start of the file's contents, so that was getting sent before session_start had a chance to do its thing.
– AaronSieb
Sep 21 '15 at 19:36
...
href image link download on click
...
<a href="download.php?file=path/<?=$row['file_name']?>">Download</a>
download.php:
<?php
$file = $_GET['file'];
download_file($file);
function download_file( $fullPath ){
// Must be fresh start
if( headers_sent()...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...