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Undefined behavior and sequence points
... C++03
This answer is for the older versions of the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indeterminately sequenced' instead. The net effect is essentially the same, but the term...
The smallest difference between 2 Angles
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196
This gives a signed angle for any angles:
a = targetA - sourceA
a = (a + 180) % 360 - 180
B...
How can I make Vim's `J` and `gq` commands use one space after a period?
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107
:help joinspaces
'joinspaces' 'js' boolean (default on)
global
...
How to design a product table for many kinds of product where each product has many parameters
...s overkill. Class Table Inheritance would be my first choice.
Update 2019: The more I see people using JSON as a solution for the "many custom attributes" problem, the less I like that solution. It makes queries too complex, even when using special JSON functions to support them. It takes a lot ...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
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160
To just find key bindings for a command, you can use emacs help's "where-is" feature
C-h w co...
Can a variable number of arguments be passed to a function?
...nt "I was called with", len(arg), "arguments:", arg
>>> manyArgs(1)
I was called with 1 arguments: (1,)
>>> manyArgs(1, 2, 3)
I was called with 3 arguments: (1, 2, 3)
As you can see, Python will unpack the arguments as a single tuple with all the arguments.
For keyword argument...
Closing JDBC Connections in Pool
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121
When using Connection Pool, should one close the Connection at the end? If so, isn't the purp...
What is the meaning of the term arena in relation to memory?
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113
An arena is just a large, contiguous piece of memory that you allocate once and then use to ma...
Execution of Python code with -m option or not
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171
When you use the -m command-line flag, Python will import a module or package for you, then ru...