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Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
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impr...
Virtual Serial Port for Linux
...0 to /dev/tnt7 where tnt0 is connected to tnt1, tnt2 is connected to tnt3, etc.
You may need to fix the file permissions to be able to use the devices.
edit:
I guess I was a little quick with my enthusiasm. While the driver looks promising, it seems unstable. I don't know for sure but I think it ...
git:// protocol blocked by company, how can I get around that?
... STATE SERVICE
80/tcp open http
9418/tcp filtered git
# Using Netcat:
# Returns 0 if the git protocol port IS NOT blocked
# Returns 1 if the git protocol port IS blocked
$ nc github.com 9418 < /dev/null; echo $?
1
# Using CURL
# Returns an exit code of (7) if the git protocol port IS...
Why declare a struct that only contains an array in C?
... (so it allows cleaner code - it won't make any difference in speed etc)
– John Carter
Aug 6 '11 at 11:51
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How to efficiently concatenate strings in go
...xample: For the peeking behavior when the bytes are passed to an io.Reader etc.
Note
Do not copy a StringBuilder value as it caches the underlying data.
If you want to share a StringBuilder value, use a pointer to it.
Check out its source code for more details, here.
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What is the difference between Tomcat, JBoss and Glassfish?
...ent technology is there like JAX-RS, JAX-WS, JMS, CDI, JPA, JSF, EJB, JTA, etc.
– David Blevins
Aug 26 '13 at 21:01
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Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
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Continuous Integration for Ruby on Rails? [closed]
... displaying links to them: you get no graphs of tests run, no trend lines, etc. I also had to adjust the routes.rb file to get the code linking working (the resources :projects line needs to move below all the other non-default routes).
TeamCity
This looks awesome, but the pay scale seems out of w...
In c++ what does a tilde “~” before a function name signify?
...
It's the destructor, it destroys the instance, frees up memory, etc. etc.
Here's a description from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class o...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...is "like" v4 (host-agnostic), but worse (less bits, dependence on urandom, etc). Are there any advantages compared to just uuid4?
– rocketmonkeys
Aug 20 '17 at 15:24
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