Knowledge of supplementary notes - and on #

Url in the browser, the browser knows # operation is used (e.g. anchors), no effect on the server side.

I.e. 23% can be replaced by the url # coding.

  • when using it:

  • 23% use:

--

In the browser, url + resolved in a space.

In myslq, the - 'Yes - connected together in single quotes, sql statement can not be formed correctly, and - spaces can.

So url using the browser - + or - 'so that the server can correctly annotate sql statement.

Example:

  • When using the query graph, mysql a prompt '>, see table below the prompt means

Prompt Tip details
-> Waiting for the next line of multiple-line command.
'> Waiting for the next line, waiting for a single quotation mark ( " '") end of the string starting.
"> Waiting for next line, waiting for the double quotation marks ( "" ") beginning of the end of the string.
`> Waiting for the next line, waiting for the end point to the backslash ( '' ') of the start identifier.
/*> Waiting for next line, waiting for the end of the comment / * began.

Reference connection table

  • When using the figure below statement (- and 'between the spaces, namely - space), appears -> Description Query success

  • When using the FIG statements (- ')

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Origin www.cnblogs.com/Dozeer/p/11257346.html