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  • The way browsers debug dynamic JS scripts (Graphic)

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    Author:zyq / Release:2018-1-19 / category:JavaScript, PHP, Script / crowd0 views time+ / sofa /
    two days before the company pulled the front-end code modifications found in the developer tools sources options inside, I actually did not set out to debug the JS script, then read the script, is introduced in the dynamic page, perhaps because so don't show up, but if you can not rely on the br...
  • PHP implements a way to print two forked trees from top to bottom

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    Author:zyq / Release:2018-1-18 / category:PHP / crowd0 views time+ / sofa /
    this article gives an example of the PHP implementation of the way to print two forked trees from top to bottom. I want to share with you the following details: problem. prints every node of the two fork tree from top to bottom, and prints the same level nodes from left to right. solution ...
  • PHP gets the method of the countdown K node in the list

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    Author:zyq / Release:2018-1-18 / category:PHP / crowd0 views time+ / sofa /
    this article illustrates how PHP gets the inverse number K node in the list. To share with you for your reference, it is as follows: problem input a linked list, output the countable K node in the linked list. The solution notes that this topic is a return node, not a return value. The r...
  • PHP using ob_start () to clear out the output and selective output

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    Author:zyq / Release:2018-1-18 / category:PHP / crowd0 views time+ / sofa /
    1, background has a code, because the method of encapsulation is invoked, so there will be some unnecessary return values. How can these return values be processed to make it disappear. Some people say, is it okay to clear the variable? But what if the return value can't be cleared up? two, ...
  • A method of obtaining two forked tree images by PHP

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    Author:zyq / Release:2018-1-17 / category:PHP / crowd0 views time+ / sofa /
    this article illustrates the way PHP gets two forked tree images. To share with you for reference, it is as follows: problem, operates a given two binary tree, and transforms it into the source two fork tree image. solution idea flip two fork tree, there are two ways of recursion and non...
  • Regular expression D meta characters (equivalent to “[^0-9]”)

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    Author:zyq / Release:2018-1-17 / category:PHP / crowd0 views time+ / sofa /
    D meta characters can match non - numeric characters, equivalent to "[^0-9]". syntax structure: (1): new RegExp. Constructor ("\D") (2). The amount of direct object: /D/ browser support: (1).IE browser support this method. (2). Firefox browsers support this method. (3). Google brow...
  • Python engineers interview 25 necessary points of knowledge

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    Author:zyq / Release:2018-1-17 / category:PHP, python / crowd0 views time+ / sofa /
    Python engineers interview 25 Python knowledge points: what is Python in the end of 1.? You can compare with other techniques in response to some key points: Python is an interpretative language. That is to say, unlike the C language and the derived language of C, Python code does not need to...
  • Simple analysis of regular expression meta character and common character

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    Author:zyq / Release:2018-1-16 / category:PHP / crowd0 views time+ / sofa /
    wants to learn regular expressions, understanding meta characters and ordinary characters is a must to conquer. Don't remember it. The following little editor brings you the knowledge of the regular expression meta character and the common character. Look at it together. is based on regular ex...

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