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What Computer Science concepts should I know? [closed]
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Operating system concepts: Modern operating systems
People skills: How to win friends and influence people
Teamwork: Peopleware
User interface design: The inmates are running the asylum
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Programmer Puzzle: Encoding a chess board state throughout a game
...s “all subsequent legal moves”. The problem also says nothing about knowing the moves up to this point. That’s actually a problem as I’ll explain.
Castling
The game has proceeded as follows:
e4 e5
Nf3 Nc6
Bb5 a6
Ba4 Bc5
The board looks as follows:
White has the option of castling...
Why is there no tuple comprehension in Python?
...es return a callable so if I only need to do it once I don't see much of a win vs just using tuple(obj[item] for item in items) directly. In my case I was embedding this into a list comprehension to make a list of tuple records. If I need to do this repeatedly throughout the code then itemgetter l...
PhpStorm wrap/surround selection?
...ng (word, condition) and press Cmd + Alt + T (on Mac) , Ctrl + Alt + T (on Windows). Available Surround With options dialog box will be displayed.
Update (for PhpStorm8)
For PhpStorm Version 8, tick on checkbox of Preferences -> Editor -> General -> Smart Keys -> Surround selection on ...
When saving, how can you check if a field has changed?
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
...ning to parse tcpdump output again. Thank you iftop and wireshark, for allowing me to be this lazy.
– Parthian Shot
Aug 4 '14 at 20:21
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Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
... bigger picture. Talking about envelope bytes is like talking about loop unwinding when comparing a quick-sort to a shell-sort. There are scenarios where SOAP can perform better, and there are scenarios where REST can perform better. Context is everything.
REST gains much of its performance advanta...
Artificially create a connection timeout error
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The following URL always gives a timeout, and combines the best of @Alexander and @Emu's answers above:
http://example.com:81
Using example.com:81 is an improvement on Alexander's answer because example.com is reserved by the DNS st...
Persistent invalid graphics state error when using ggplot2
...iously. Take the below console output for example. The figure margins (the window that displays your plots) were too small to display the pairs(MinusInner) plot. Then when I tried to make the next qplot, R was still hung up on previous error.
pairs(MinusInner)
Error in plot.new() : figure mar...
How to change max_allowed_packet size
...k some would also want to know how to find the my.ini file on your PC. For windows users, I think the best way is as follows:
Win+R(shortcut for 'run'), type services.msc, Enter
You could find an entry like 'MySQL56', right click on it, select properties
You could see sth like "D:/Program Files/My...