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Calling a base class's classmethod in Python
...asses, which derive from object. (at least in Python 2, but in Py3 I think all classes are new-style, IIRC) Otherwise you have to do Base.do(self, ...), I think, thereby hard-coding the name of the superclass.
– David Z
Jun 11 '14 at 19:29
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Difference between HBase and Hadoop/HDFS
...at distributes data across a cluster of machines taking care of redundancy etc
2) Map Reduce. A job management system on top of HDFS - to manage map-reduce (and other types) jobs processing the data stored on HDFS.
Basically it means its an offline system - you store data on HDFS and you can proce...
How can I generate a unique ID in Python? [duplicate]
...in newer versions, but most people probably don't have that yet, so I generally avoid this module. Caused me major headaches with listen sockets...
– Glenn Maynard
Jul 31 '09 at 3:14
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Determine command line working directory when running node bin script
I am creating a node command line interface. It is installed globally and uses a bin file to execute.
5 Answers
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How do I update zsh to the latest version?
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# check the zsh info
brew info zsh
# install zsh
brew install --without-etcdir zsh
# add shell path
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/local/bin/zsh
# change default shell
chsh -s /usr/local/bin/zsh
Hope it helps, thanks.
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Real World Use of Zookeeper [closed]
...apache-zookeeper/
You can of course also use it to create resource locks, etc, in a distributed system.
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What exactly is OAuth (Open Authorization)?
... access to only your contact information (username, e-mail, date of birth, etc.) or to your entire list of friends, calendar and what not.
It allows you to manage access from the resource provider's application. If the third-party application does not provide mechanism for cancelling access, you wou...
Always pass weak reference of self into block in ARC?
... be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, should I always use a weak reference of self in a block ?
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vector vs. list in STL
...cenario, regardless if you can reallocate, you only remove from the front, etc. Lists are slower to traverse, every insertion costs you an interaction with the allocator. It would be extremely hard to prepare an example, where list<int> beats vector<int>. And even then, deque<int> ...
How to allocate aligned memory only using the standard library?
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Original answer
{
void *mem = malloc(1024+16);
void *ptr = ((char *)mem+16) & ~ 0x0F;
memset_16aligned(ptr, 0, 1024);
free(mem);
}
Fixed answer
{
void *mem = malloc(1024+15);
void *ptr = ((uintptr_t)mem+15) & ~ (uintptr_t)0x0...