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Advanced Programming in the UNIX Environment (3rd Edition) by W. Richard Stevens, Stephen A. Rago

By W. Richard Stevens, Stephen A. Rago

PLEASE word: almost certainly end result of the huge dimension or excessive pagecount e-ink readers seem to have hassle rendering the pages of this e-book. it is going to open appropriately on computer-based readers or phones/tablets (Android, iPad, etc). this is often most probably only a reminiscence factor as a result of in most cases weaker on ereaders - the dossier supplied here's no longer malformed or corrupt.

For greater than two decades, severe C programmers have depended on one booklet for sensible, in-depth wisdom of the programming interfaces that force the UNIX and Linux kernels: W. Richard Stevens’ complex Programming within the UNIX® atmosphere . Now, once more, Rich’s colleague Steve Rago has completely up-to-date this vintage paintings. the recent 3rd variation helps today’s major structures, displays new technical advances and most sensible practices, and aligns with model four of the only UNIX Specification.Steve conscientiously keeps the spirit and process that experience made this booklet so precious. construction on Rich’s pioneering paintings, he starts off with documents, directories, and procedures, rigorously laying the basis for extra complex concepts, equivalent to sign dealing with and terminal I/O. He additionally completely covers threads and multithreaded programming, and socket-based IPC.

This variation covers greater than seventy new interfaces, together with POSIX asynchronous I/O, spin locks, boundaries, and POSIX semaphores. so much out of date interfaces were got rid of, with the exception of a couple of which are ubiquitous. approximately all examples were verified on 4 smooth structures: Solaris 10, Mac OS X model 10.6.8 (Darwin 10.8.0), FreeBSD 8.0, and Ubuntu model 12.04 (based on Linux 3.2).

As in earlier variations, you’ll examine via examples, together with greater than 10000 traces of downloadable, ISO C resource code. greater than 400 process calls and services are proven with concise, entire courses that sincerely illustrate their utilization, arguments, and go back values. To tie jointly what you’ve discovered, the e-book offers a number of chapter-length case experiences, every one reflecting modern environments.

Advanced Programming within the UNIX® atmosphere has helped generations of programmers write code with unheard of energy, functionality, and reliability. Now up to date for today’s platforms, this 3rd version should be much more worthy.

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Indd 56 3/22/16 10:13 AM HACK AND / in that when you need to apply a security update, you just need to UPDATE THE TEMPLATE6- AND WHEN YOU RESTART EACH APP6- IT WILL GET the update. ETWORK -ANAGER TO CONFIGURE THIS NET6- WITH ANY CREDENTIALS IT NEEDS TO CONNECT TO WIRELESS networks, and its Network Manager applet shows up on your desktop AS NORMAL 4HE SYS
FIREWALL FOR THEIR network access.

IN MY LAST ARTICLE, I explored the surprising ABILITY OF THE ,INUX SHELL TO CONVERT NUMERIC BASES ON THE FLY INCLUDING THIS SWEET LITTLE SNIPPET THAT CONVERTS FF hexadecimal into decimal notation: DAVE TAYLOR Dave Taylor has been hacking shell scripts since the dawn of the computer era. Well, not really, but still, 30 years is a long time! ). com. indd 42 3/22/16 10:13 AM WORK THE SHELL )TS PRETTY NEAT STUFF BUT TO BE HONEST ) RARELY FIND MYSELF NEEDING TO CONVERT NUMERIC BASES NOWADAYS SO ITS REALLY SOMETHING ) FILE UNDER hFUNKY SHELL TRICKSv 9OUR EXPERIENCE MAY BE DIFFERENT SO ITS STILL WELL worth learning anyway.

Although I won’t necessarily reach any amazing conclusions, you’ll at least see how you can import data into Pandas, slice and dice it in various ways, and then produce some basic plots. UM0Y ARRAY YOURE ADDING  TO EVERY SINGLE ELEMENT IN THAT ARRAY )T TAKES A WHILE TO GET USED TO THIS WAY OF THINKING AND TO THE FACT THAT THE ARRAY SHOULD HAVE A UNIFORM DATA TYPE Now, what can you do with your NumPy array? UM0Y ARRAY ! SERIES CAN CONTAIN ANY NUMBER OF ELEMENTS ALL OF WHICH SHOULD BE OF THE SAME TYPE FOR MAXIMUM EFFICIENCY AND REASONABLENESS  4HE BIG DEAL WITH A SERIES IS THAT YOU CAN SET whatever indexes you want, giving you more expressive power than would be possible in a NumPy array.

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