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What is the difference between vmalloc and kmalloc?
...memory in a system call? Is there any reason I couldn't just use vmalloc?
From Google's "I'm Feeling Lucky" on vmalloc:
kmalloc is the preferred way, as long as you don't need very big areas. The trouble is, if you want to do DMA from/to some hardware device, you'll need to use kmalloc, and you'll...
How to avoid merge-commit hell on GitHub/BitBucket
...erve all of your branch history on a merge.
Use the --ff-only Flag
Aside from rebasing, the use of the --ff-only flag will ensure that only fast-forward commits are allowed. A commit will not be made if it would be a merge commit instead. The git-merge(1) manual page says:
--ff-only
Ref...
Uploading Files in ASP.net without using the FileUpload server control
...thieu, pity that you variant does use runat="server", it isn't independent from the server stuff of ASP.NET
– Secret
Apr 11 '13 at 14:09
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Finding the type of an object in C++
I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
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Code for Greatest Common Divisor in Python [closed]
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It's in the standard library.
>>> from fractions import gcd
>>> gcd(20,8)
4
Source code from the inspect module in Python 2.7:
>>> print inspect.getsource(gcd)
def gcd(a, b):
"""Calculate the Greatest Common Divisor of a and b.
U...
What's the point of g++ -Wreorder?
... The order was man page-> SO answer. Here is an archive of the man page from 2007 that lists this example explicitly. The upvoted comment from Ben S is a hilarious example of someone suggesting that something exist without even checking that it does already. web.archive.org/web/20070712184121/htt...
How to create and handle composite primary key in JPA
I want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number.
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Convert bytes to a string
I'm using this code to get standard output from an external program:
19 Answers
19
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SimpleTest vs PHPunit
...nt/en/installation.html
For SimpleTest, just download it and point to it from your code.
So Simpletest won for me.
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Anonymous recursive PHP functions
...ght not be a simple approach, but I learned about a technique called "fix" from functional languages. The fix function from Haskell is known more generally as the Y combinator, which is one of the most well-known fixed point combinators.
A fixed point is a value that is unchanged by a function: a ...