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How to use the PI constant in C++
...nometric functions in some C++ program. I get the trigonometric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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How to run a program without an operating system?
How do you run a program all by itself without an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
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Importing from a relative path in Python
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EDIT Nov 2014 (3 years later):
Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '...
sqlalchemy unique across multiple columns
...or if index is True as well, indicates that the Index
should be created with the unique flag. To specify multiple columns in
the constraint/index or to specify an explicit name, use the
UniqueConstraint or Index constructs explicitly.
As these belong to a Table and not to a mapped Class, one...
Locking a file in Python
I need to lock a file for writing in Python. It will be accessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
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In-memory size of a Python structure
...ere a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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How do you get assembler output from C/C++ source in gcc?
....c
This will run the preprocessor (cpp) over helloworld.c, perform the initial compilation and then stop before the assembler is run.
By default this will output a file helloworld.s. The output file can be still be set by using the -o option.
gcc -S -o my_asm_output.s helloworld.c
Of course th...
(this == null) in C#!
...o a bug that was fixed in C# 4, the following program prints true . (Try it in LINQPad)
6 Answers
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Managing constructors with many parameters in Java
...e of our projects, there's an class hierarchy that adds more parameters as it goes down the chain. At the bottom, some of the classes can have up to 30 parameters, 28 of which are just being passed into the super constructor.
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How can I force Powershell to return an array when a call only returns one object?
...g Powershell to set up IIS bindings on a web server, and having a problem with the following code:
7 Answers
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