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How Does Modulus Divison Work
... day is divided into two 12 hour periods.
Lets say we have currently this time: 15:00
But you could also say it is 3 pm
This is exactly what modulo does:
15 / 12 = 1, remainder 3
You find this example better explained on wikipedia: Wikipedia Modulo Article
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How do I copy folder with files to another folder in Unix/Linux? [closed]
...nt of the folder is copied, but not the parent folder itself, which is sometimes handy. And the difference is the /.
– muni764
Jul 26 '18 at 16:16
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Separation of business logic and data access in django
...de is in the file models.py . This code is confusing and, after a certain time, I cease to understand what is really happening.
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Knight's Shortest Path on Chessboard
...d call that cheating,
and works only because the problem
is small. But sometimes competitions
will check how fast your program
runs.
The main point is that if you are preparing
for a programming competition, you must know
common algorithms including Dijkstra's.
A good starting point is reading
Intr...
Master-master vs master-slave database architecture?
...to offer everything, no single point of failure, everyone can work all the time. The trouble with this is that it is very hard to preserve absolute consistency. See the wikipedia article for more.
Wikipedia seems to have a nice summary of the advantages and disadvantages
Advantages
If ...
Changing names of parameterized tests
...ddresses this issue is not yet released. It will be in JUnit 4.11. At that time (assuming the design remains the same) it will be about a textual way of specifying how you name the test, including taking parameters as names. Pretty nice, actually.
– Yishai
May ...
How to do a recursive find/replace of a string with awk or sed?
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
... All problems can be solved with RAII and smart pointers ;-)
RAII is sometimes unwieldy when you need delayed acquisition, pushing aggregated objects onto the heap.
Imagine the Logger needs a SetTargetFile(const char* target). In that case, the handle, that still needs to be a member of Logger, ne...
“Debug only” code that should run only when “turned on”
... using directive or an assembly reference?)
after using it for the first time (I thought it would have been in System).
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Why a function checking if a string is empty always returns true? [closed]
I have a function isNotEmpty which returns true if the string is not empty and false if the string is empty. I've found out that it is not working if I pass an empty string through it.
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