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Process.start: how to get the output?
...ould like to run an external command line program from my Mono/.NET app.
For example, I would like to run mencoder . Is it possible:
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Why doesn't Python have a sign function?
...+/-nan, etc)
So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the call to cmp(x,0).
I don't know why it's not a built-in, but I have some thoughts.
copysign(x,y):...
How do I get the backtrace for all the threads in GDB?
...dited Jul 27 '19 at 9:58
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Apr 10 '14 at 6:36
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Python logging: use milliseconds in time format
By default logging.Formatter('%(asctime)s') prints with the following format:
10 Answers
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Groovy: what's the purpose of “def” in “def x = 0”?
...he Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
6 Answers
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Python ValueError: too many values to unpack [duplicate]
...erating over just the keys (which are strings).
Since self.materials has more than two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
Howev...
Get Bitmap attached to ImageView
... actually be cast to BitmapDrawable (to avoid IllegalCastExceptions). If, for instance, you use layers in your image then this snippet will be slightly different: Bitmap bitmap = ((BitmapDrawable)((LayerDrawable)image.getDrawable()).getDrawable(0)).getBitmap();
– Alex Semeniuk
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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Non-local requests result in user-friendly error pages. Local requests, assumed to come from developers, see a more useful error message that includes line numbers and a backtrace. consider_all_requests_local allows your app to display these developer-friendly messages...
What is the meaning of the term “free function” in C++?
While reading the documentation for boost::test, I came across the term "free function". What I understand is that a free function is any function that doesn't return anything (Its return type is void). But after reading further it seems that free functions also don't take any arguments. But I am no...
Find out whether Chrome console is open
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requestAnimationFrame (Late 2019)
Leaving these previous answers here for historical context. Currently Muhammad Umer's approach works on Chrome 78, with the added advantage of detecting both close and open events.
function toString (2019)
Credit to Overcl9ck's comment on this answer. Replacing ...