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When and how should I use a ThreadLocal variable?
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The ThreadLocal.get() method will call ThreadLocal.initialValue() (once) for each thread, which means that a SimpleDateFormat object is created for each thread. Isn't it better then just to have SimpleDateFormat as local variables(since we don't have to deal w...
Rebase a single Git commit
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how can a question specifically called 'git rebase ...' have the accepted answer than contains a cherry-pick, which is a totally different concept and sometimes per se considered unclean?
– Bondax
Oct 13 '15 at 9:...
How to open, read, and write from serial port in C?
...en), and just copy and paste the bits needed into each project.
You must call cfmakeraw on a tty obtained from tcgetattr. You cannot zero-out a struct termios, configure it, and then set the tty with tcsetattr. If you use the zero-out method, then you will experience unexplained intermittent failur...
Split data frame string column into multiple columns
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Use stringr::str_split_fixed
library(stringr)
str_split_fixed(before$type, "_and_", 2)
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Dynamic instantiation from string name of a class in dynamically imported module?
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You can use getattr
getattr(module, class_name)
to access the class. More complete code:
module = __import__(module_name)
class_ = getattr(module, class_name)
instance = class_()
As mentioned below, we may use importlib
import importlib
module = importlib.imp...
Is there a way to auto expand objects in Chrome Dev Tools?
... SINGLE TIME :) Is there a shortcut or setting to have this done automatically?
13 Answers
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Partial Commits with Subversion
...sing the full GIT feature set (including partial commits) and then push it all back to the SVN repository.
git-svn (1)
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What is the `sensor` parameter for in the Google Places API?
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Really? Could you please provide some link, where this is written. I have not found this anywhere. (Also wondering why the price is different and what is cheaper:)
– TN.
Dec 25 '11 at 21:1...
How to get a reference to current module's attributes in Python
...he way I typically see this done is like this:
import sys
dir(sys.modules[__name__])
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What is the difference between an interface and abstract class?
...'t do anything. It's just a pattern.
For example (pseudo code):
// I say all motor vehicles should look like this:
interface MotorVehicle
{
void run();
int getFuel();
}
// My team mate complies and writes vehicle looking that way
class Car implements MotorVehicle
{
int fuel;
vo...