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php中0,null,empty,空,false,字符串关系详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
php中0,null,empty,空,false,字符串关系详解在一个项目中遇到了一个奇怪的问题,耗费了我不少时间都没有解决,最终调试发现是判断的问题—-关于0和 ‘ ‘ (空单引号,为好...在一个项目中遇到了一个奇怪的问题,耗费了我不...
【解决】php报错:Can not connect to MySQL server - 更多技术 - 清泛网 -...
【解决】php报错:Can not connect to MySQL server遇到这种情况,如果是mysql安装问题,可以通过命名测试一下:mysql -uroot -p如果用户名密码验证能够正常连接,但php报错的话,那大概率是因为你访问的库没有被创建,创建一下就OK了。...
How can I put strings in an array, split by new line?
...ength=8)
Note that you have to use a double-quoted string, so \n is actually interpreted as a line-break.
(See that manual page for more details.)
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get all keys set in memcached
How can I get all the keys set in my memcached instance(s)?
6 Answers
6
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Google Authenticator available as a public service?
...unts.
The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbers may be random to each ...
PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
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How to combine two strings together in PHP?
...atenate two strings together.
Use the concatenation operator . (and .=)
In PHP . is the concatenation operator which returns the concatenation of its right and left arguments
$data1 = "the color is";
$data2 = "red";
$result = $data1 . ' ' . $data2;
If you want to append a string to another string ...
How can one check to see if a remote file exists using PHP?
...t I could find, an if fclose fopen type thing, makes the page load really slowly.
22 Answers
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Display an array in a readable/hierarchical format
... to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file.
– DutGRIFF
Nov 5 '14 at 19:43
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How do you share code between projects/solutions in Visual Studio?
...sulting in multiple assemblies: however, when coupled with ILMerge - especially with the internalize option - it becomes a very powerful solution.
– user2246674
Jun 28 '13 at 5:27
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