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Evaluate expression given as a string
...
Alternatively, you can use evals from my pander package to capture output and all warnings, errors and other messages along with the raw results:
> pander::evals("5+5")
[[1]]
$src
[1] "5 + 5"
$result
[1] 10
$output
[1] "[1] 10"
$type
[1] "numeric"
$m...
How to create our own Listener interface in android?
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Coming from an iOS background, if i did this in iOS it would cause a memory leak because the MyButton's listener is a strong reference to the listener, and the listener has a strong reference to the MyButton... is java garbage colle...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...he "GIL", it's just much finer in its lock granularity, most of this comes from the GC's in hotspot which are more advanced.
In CPython it's one big lock (probably not that true, but good enough for arguments sake), in the JVM it's more spread about with different concepts depending on where it is ...
Can Python print a function definition?
...e of objects defined in the interpreter. If you use dill.source.getsource from dill, you can get the source of functions and lambdas, even if they are defined interactively.
It also can get the code for from bound or unbound class methods and functions defined in curries... however, you might not b...
Difference between viewDidLoad and viewDidAppear
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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What does JVM flag CMSClassUnloadingEnabled actually do?
...n was still incremented, but at least those temporary classes were removed from memory.
On a more general note, this can be very useful when making heavy use of Java reflection and proxies through java.lang.reflect.Proxy
sh...
Overriding Binding in Guice
...e as for your original class. Guice will then bind InterfaceC to ConcreteC from your test directory whereas all other interfaces will be bound to your production classes.
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PHP passing $_GET in linux command prompt
...> value
)
*/
You can also execute a given script, populate $_GET from the command line, without having to modify said script:
export QUERY_STRING="var=value&arg=value" ; \
php -e -r 'parse_str($_SERVER["QUERY_STRING"], $_GET); include "index.php";'
Note that you can do the same with...
join list of lists in python [duplicate]
...
import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))
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“Undefined reference to” template class constructor [duplicate]
...e into the relevant header file
The common answer is to move all the code from the implementation files cola.cpp and nodo_colaypila.cpp into cola.h and nodo_colaypila.h. In the long run, this is more flexible as it means you can use extra instantiations (e.g. cola<char>) without any more work...