|
I have a daemon to write in C, that will need to handle 20-150K TCP connections simultaneously. They are long running connections, and rarely ever tear down. They have a very small amount of data (rarely exceeding MTU even.. it's a stimulus/response protocol...
Started by Obi on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
In all these systems, you can have a pool of worker threads waiting for tasks; you will not be forced to setup all file handles over and over again... .
Several systems have been developed to improve on select(2) performance: kqueue , epoll , and /dev/poll .
|
|
My bank website has a security feature that let me register the machines that are allowed to make banking transactions. If someone steals my password, he won't be able to transfer my money from his computer. Only my personal computers are allowed to make...
Started by Daniel Silveira on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
However that couldn't be secure enough since many cards allow changing .
Computer is the MAC address of the Ethernet card, that is almost ubiquitous on every rather modern (and not so modern) computer.
|
|
Hi there, does anybody know a website or a paper where the sizes of C data types were compared on different machines? I'm interested in values of some 'big' machines like a System z or the like.
And: Is there an upper bound of bytes that the biggest native...
Started by tur1ng on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
The long double type on x86 machines is 80 bits (10 bytes), http://en.wikipedia.org/wiki/Long.
For example, most compilers targeting modern Intel hardware offer a __m128 datatype, which is the width so.
|
Ask your Facebook Friends
|
Duplicate Reasons to Use a VM For Development
I'm trying to roll out a policy in my company where all developers have to work on a virtual machine (e.g. VMWare Workstations) that have the dev. environment such as IDE, tools, service packs already installed...
Started by Shadi on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at stackoverflow):
If it doesn't you either need to get a faster machines for them or go back guest VMs running in their own windows....
With modern IDEs there's a lot of graphics and disk IO going on, neither of which is performed well there's no reason why not.
|
|
Brian's premise in his argument to the question "Are side effects a good thing?" is interesting:
computers are von-Neumann machines that are designed to work well with effects (rather than being designed to work well with lambdas)
I am confused by the...
Started by Masi on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
The point is, if you take a modern functional.
Etc...
Now consider most modern functional programming languages implementations/runtimes do some of these tricks.) Etc.
Non-stack-based-lifetimes are needed.
|
|
I need to move a large file from one laptop to another. Can I just join the two machines with an ethernet cable and create a shared folder on my desktop or is it more complicated than that?
Update
Windows versions - one laptop has XP the other is Vista...
Started by DanM on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at superuser):
Just connect to the two machines, set.
Modern ethernet cards will do the crossover for you, so there's no need for a "special cable".
Start a command prompt and use the copy/xcopy command.
Windows explorer.
|
|
OK so I'm tracking a remote repo on two machines so both have the master branch. I also made a local branch on my laptop called development. Is there a way for me to copy that local branch over to my desktop computer? I'd use my laptop but for some reason...
Started by gct on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Development
or just simply (with modern git)
desktop$ git checkout --track laptop/development
See git.
|
|
What is the best way to configure disks in a VMWare server that will be hosting multiple machines?
A single RAID 5 array hosting multiple VMs would provide good throughput but means all VMs are accessing the same disks (so one VM accessing the disk will...
Started by DrStalker on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Modern drives and controllers are so good at caching writes that I haven't noticed a tremendous speed.
|
|
Hi, I'm curious if anyone have any really good tutorials/articles/books for learning about stack machines in general, and the JVM in particular. I know these ones:
http://www.artima.com/insidejvm/applets/EternalMath.html
http://www.ibm.com/developerworks...
Started by Lars Westergren on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
I don't really know where to find as good a resource about more modern technologies like.
In 1999.
|
|
Hello,
I'm very new to the Virtual Machine world... recently a situation came up at my work place that i figured VM could be a good solution to.
I need to run several Windows XP instances on a single robust server - would this be something plausible to...
Started by Ken on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at serverfault):
We are setting a similiar setup for running virtual Linux... .
These solutions would don't seem to plan more servers and migration of virtual machines between them).
On two machines concurrently, one taking over instantly if the other failed.
|
