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php $s is written after the if statement

<?php$s=0;echo '<table width="800" border="1">';while( $s<100){ if($s%10==0){ &nb

G° 2019-04-27 15:58:04

node.js i/o optimization - Stack Overflow

How does node.js optimize i/o performance? I wonder if this senior has any experience to share?

phpcn_u1582 2017-05-24 11:38:47

linux - How to understand sed -n '/,/s/,/ /gp'

I saw this writing in the book {code...} I can understand this writing sed 's/,/ /gp', but I can't understand the above.

習慣沉默 2017-05-16 13:34:05

nginx startup error: nginx -s relaod, please solve it, thank you!

Centos is compiled and started: nginx -s reload. The error is as follows: Why is this happening? {Code...}

世界只因有你 2017-05-16 17:11:59

Does anyone still use PAD diagrams or N-S diagrams during software development?

I am still studying, and I am studying software engineering this semester. When the teacher explained the detailed design, the assignment was to give a piece of code to use a flow chart, a PAD diagram, and an N-S diagram to implement the logic. I feel that on the one hand, PAD diagrams and N-S diagr...

过去多啦不再A梦 2017-05-17 10:06:55

intellij-idea - In Intellij java development, there are "s:" words before the string parameters of some functions. What does it mean?

This s: is not part of the string parameter, it is a marker added by IDEA itself. If you use the mouse to copy this string, this s: will not be copied.

phpcn_u1582 2017-05-17 10:07:07