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Difference between var_dump,var_export & print_r

...2] => 42 [3] => Array ([0] => 42) ) var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
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How to use relative/absolute paths in css URLs?

... Personally, I would fix this in the .htaccess file. You should have access to that. Define your CSS URL as such: url(/image_dir/image.png); In your .htacess file, put: Options +FollowSymLinks RewriteEngine On RewriteRule ^ima...
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How to remove duplicate values from an array in PHP

How can I remove duplicate values from an array in PHP? 24 Answers 24 ...
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Is == in PHP a case-sensitive string comparison?

I was unable to find this on php.net. Is the double equal sign ( == ) case sensitive when used to compare strings in PHP? 7...
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Array_merge versus + [duplicate]

... Because both arrays are numerically-indexed, only the values in the first array will be used. The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be...
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BLE(四)嗅探工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...gle稳定,经常会抓不到后面数据通信的网络包,不过这一问题应该是可以通过优化算法得到解决的,但需要对官方的固件进行逆向或自己根据Nordic公司提供的BLE协议栈重写代码。。 优点: 价格便宜,USB Dongle淘宝价70...
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How to find all links / pages on a website

Is it possible to find all the pages and links on ANY given website? I'd like to enter a URL and produce a directory tree of all links from that site? ...
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程序员之网络安全系列(二):如何安全保存用户密码及哈希算法 - 更多技术 ...

...来我才想起可以用穷举法,最多就999次不就打开了?那么问题来了,你的密码箱还安全吗? 彩虹表 除了穷举法外,由于之前的密码泄露,那么攻击者们,手上都有大量的彩虹表,比如”I love you”,生日等等,这个表保存了这些...
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What does $1 [QSA,L] mean in my .htaccess file?

...ce to give a complete tutorial, but here it is in short; RewriteCond basically means "execute the next RewriteRule only if this is true". The !-l path is the condition that the request is not for a link (! means not, -l means link) The RewriteRule basically means that if the request is done that m...
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Formatting Phone Numbers in PHP

...etter in the future. The comment you reference seems to have been deleted. All is well. Happy holidays. – Stoutie Dec 24 '16 at 5:16 add a comment  |  ...