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Understanding the map function
...s, but the map returns a map object - for example I get this: <map at 0x123a49978> Which I then must coerce into a list.
– leerssej
Dec 3 '19 at 6:18
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Python: How would you save a simple settings/config file?
...ou know the datatype?
which outputs
List all contents
Section: mysql
x host:::localhost:::<type 'str'>
x user:::root:::<type 'str'>
x passwd:::my secret password:::<type 'str'>
x db:::write-math:::<type 'str'>
Section: other
x preprocessing_queue:::["preprocessing.scale_an...
Why use bzero over memset?
...6 (2.19-0ubuntu6.6), the calls made are exactly the same (via ltrace ./test123):
long m[] = {0}; // generates a call to memset(0x7fffefa28238, '\0', 8)
int* p;
bzero(&p, 4); // generates a call to memset(0x7fffefa28230, '\0', 4)
I've been told that unless I am working in the deep bowels of ...
What is the purpose and use of **kwargs?
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@yashas123 No; if you loop over something that's empty, nothing happens, so whatever code might come next runs normally.
– J.G.
Nov 29 '19 at 14:22
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Should I use single or double colon notation for pseudo-elements?
...nswered Apr 16 '12 at 21:25
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How to start two threads at “exactly” the same time
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To start the threads at exactly the same time (at least as good as possible), you can use a CyclicBarrier:
// We want to start just 2 threads at the same time, but let's control that
// timing from the main thread. That's why we have 3 "parties" instead of 2.
final CyclicBarrier gate = new ...
How does a language expand itself? [closed]
...it has many many layers, from the inner core of pure hardware to the outermost application layer. Each layer exposes parts of itself to the next outer layer, so that the outer layer may use some of the inner layers functionality.
In the case of e.g. Windows the operating system exposes the so-calle...
When is it appropriate to use UDP instead of TCP? [closed]
...red "reliable", whereas UDP doesn't guarantee anything and packets can be lost. What would be the advantage of transmitting data using UDP in an application rather than over a TCP stream? In what kind of situations would UDP be the better choice, and why?
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Python's equivalent of && (logical-and) in an if-statement
...nd and or conditionals.
i.e.
if foo == 'abc' and bar == 'bac' or zoo == '123':
# do something
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...answered Jan 19 '12 at 5:17
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