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As for antipattern, you may know that its only function is to avoid reverse pattern during actual development. The main introduction in Baidu encyclopedia is as follows: Recognized anti-pattern in software development Anti-pattern in project

About the origins and characteristics of Perl and Python Perl is the abbreviation of practical extraction and report Language, created by Larry Wall in 1987, originally designed to facilitate the processing of reports on UNIX, and has become a fully

Starting from the end of January, I want to learn a new operating system while continuing to learn python.While looking at many of the programmers ' JD, many of them require familiarity with Linux, and the Ben Method also mentions programming under

Sometimes we need a more real-time view of the network card traffic on the server, here I wrote two small scripts, one with the shell (first write, only one network card can be viewed at a time), the other with Python (after the write, one can view

1th: How commands are executed online help shutdownls command: Lists the files of the current directory, equivalent to the Dir under DOSDate command: Displays the current date and time only the date: Date +%y-%m-%d only look at time: Date +%h:%mThe

The floating point number calculation problem in php recently encountered a very strange problem when I made a price program. I caught the problem. See the following code: $ A = 86.1-80.0;Echo 6.1-$;?> You will find that the echo result is not 0

This interview question is my summary after the interview, I put all can think of all write, if there is anything wrong, please correct me XX Network interview problem 1, Oracle and MySQL pagination are how to page. 2, Oracle rowID and rownum what

Server multi-port aggregation, the main purpose is to network card disaster recovery and increase the bandwidth. Linux port bindings, available in 7 modes, are as follows:There are 0-6 and 7 modes in mode, please refer to the official manual for

Introduction In my previous article, I introduced a fast algorithm for calculating natural logarithm. Now let's take a look atAlgorithm. As we know, the exponential function ex can be expanded to the tyleseries: This series converges to all

Sometimes we need a more real-time view of the network card traffic on the server, here I wrote two small script, one with the shell (first, only one network card can be viewed at a time), another in Python (after writing, can view more than one