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Usage of sys.stdout.flush() method
... call to sys.stdout.flush() to get the buffer to display as the script is em>x m>ecuting.
– Bacon Bits
Apr 25 '16 at 4:35
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Check whether a variable is a string in Ruby
... and kind_of? will return true for instances from derived classes.
class m>X m> < String
end
foo = m>X m>.new
foo.is_a? String # true
foo.kind_of? String # true
foo.instance_of? String # false
foo.instance_of? m>X m> # true
...
Is it safe to parse a /proc/ file?
...code if you assume too much about the consistency of a file in /proc. For em>x m>ample, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For em>x m>ample:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linum>x m> 2.6.30, which is less t...
Akka Kill vs. Stop vs. Poison Pill?
...question of Akka - I'm reading over Akka Essentials, could someone please em>x m>plain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small em>x m>plaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this t...
Convert int to ASCII and back in Python
...123456789'
nchars = len(s)
# string to int or long. Type depends on nchars
m>x m> = sum(ord(s[byte])<<8*(nchars-byte-1) for byte in range(nchars))
# int or long to string
''.join(chr((m>x m>>>8*(nchars-byte-1))&0m>x m>FF) for byte in range(nchars))
Yields '0123456789' and m>x m> = 22758109892968359442...
Best practices for reducing Garbage Collector activity in Javascript
I have a fairly complem>x m> Javascript app, which has a main loop that is called 60 times per second. There seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
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View list of all JavaScript variables in Google Chrome Console
...le you have to type the name of the public variable or object you want to em>x m>plore.
15 Answers
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std::back_inserter for a std::set?
...td::inserter and pass it .begin():
std::set<int> s1, s2;
s1 = getAnEm>x m>citingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.begin()), Em>x m>citingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), m>x m>) where m>x m> is the value passed to the iterator when w...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
...ly force a Python script to drop into a REPL at an arbitrary point in its em>x m>ecution, even if the script was launched from the command line?
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How to call shell commands from Ruby
...
This em>x m>planation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Ba...