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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...ons about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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How to make a Python script run like a service or daemon in Linux
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edited Jul 5 '19 at 13:38
Davide Cannizzo
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an...
Using custom std::set comparator
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YLJ
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answered Apr 12 '10 at 9:10
YacobyYacoby
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What is copy-on-write?
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Andrew HareAndrew Hare
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Private properties in JavaScript ES6 classes
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38 Answers
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Active
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Create or write/append in text file
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348
Try something like this:
$txt = "user id date";
$myfile = file_put_contents('logs.txt', $t...
How can I programmatically check whether a keyboard is present in iOS app?
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mxcl
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answered Jun 10 '12 at 4:03
thpitschthpitsch...
Best way to iterate through a Perl array
...he array elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the...
Writing a Python list of lists to a csv file
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312
Python's built-in CSV module can handle this easily:
import csv
with open("output.csv", "wb"...
Replace only some groups with Regex
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A good idea could be to encapsulate everything inside groups, no matter if need to identify th...