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Disable cache for some images

I generate some images using a PHP lib. 13 Answers 13 ...
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selecting unique values from a column

...licates BTW: using explicit column names in SELECT uses less resources in PHP when you're getting a large result from MySQL share | improve this answer | follow ...
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curl_exec() always returns false

... +1: Simple and straight trouble-shooting for curl in PHP on curl_exec FALSE return. - Curl Verbose Mode in PHP example – hakre Nov 9 '12 at 20:10 ...
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PDB文件:每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...较简单,因为PDB和binay在相同的地方,通常地我们遇到的问题都是关于public build。 所有的的开发人员需要知道的最重要的事情是”PDB文件跟源代码同样的重要“, 没有PDB文件,你甚至不能debugging。对于public build,需要symbol serv...
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A better similarity ranking algorithm for variable length strings

... Here's my PHP implementation of suggested StrikeAMatch algorithm, by Simon White. the advantages (like it says in the link) are: A true reflection of lexical similarity - strings with small differences should be recognised as being ...
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Formatting code in Notepad++

...rmat/auto-indent command? Nothing works. Nothing will auto-indent either PHP or JS on this day 2017-05-29. Can anyone explain what's going wrong and why the simple business of automatically indenting PHP and JS code is proving such a b*tching pain in the ***? – mike rodent ...
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浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升

...:大家面试的时候可能会经常遇到考察浮点数与零比较的问题,是简单的 f == 0 吗?当然不是,正确的写法应该是f > -1e-7 &amp;&amp; f < 1e-7,为什么呢? 浮点型,由于精度关系(float精度:2^23 = 8388608,一共7位,同理double 16位),最小分...
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浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升

...:大家面试的时候可能会经常遇到考察浮点数与零比较的问题,是简单的 f == 0 吗?当然不是,正确的写法应该是f > -1e-7 &amp;&amp; f < 1e-7,为什么呢? 浮点型,由于精度关系(float精度:2^23 = 8388608,一共7位,同理double 16位),最小分...
https://www.tsingfun.com/it/cp... 

浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注IT技能提升

...:大家面试的时候可能会经常遇到考察浮点数与零比较的问题,是简单的 f == 0 吗?当然不是,正确的写法应该是f > -1e-7 &amp;&amp; f < 1e-7,为什么呢? 浮点型,由于精度关系(float精度:2^23 = 8388608,一共7位,同理double 16位),最小分...
https://www.tsingfun.com/it/cp... 

浮点数在内存中的表示 - C/C++ - 清泛网移动版 - 专注IT技能提升

...:大家面试的时候可能会经常遇到考察浮点数与零比较的问题,是简单的 f == 0 吗?当然不是,正确的写法应该是f > -1e-7 &amp;&amp; f < 1e-7,为什么呢? 浮点型,由于精度关系(float精度:2^23 = 8388608,一共7位,同理double 16位),最小分...