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(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
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Convert pem key to ssh-rsa format
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132
No need to compile stuff. You can do the same with ssh-keygen:
ssh-keygen -f pub1key.pub -i
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What is meant by Resource Acquisition is Initialization (RAII)?
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388
It's a really terrible name for an incredibly powerful concept, and perhaps one of the number ...
How can I copy the output of a command directly into my clipboard?
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630
I always wanted to do this and found a nice and easy way of doing it. I wrote down the complete...
What are the differences between “=” and “
...ithout further ado:
x
# Error: object 'x' not found
sum((x = 1), 2)
# [1] 3
x
# [1] 1
Clearly we’ve performed an assignment, using =, outside of contexts (a) and (b). So, why has the documentation of a core R language feature been wrong for decades?
It’s because in R’s syntax the symbol = ...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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134
From the Qt documentation:
The Meta-Object Compiler, moc, is the
program that handles Qt'...
When to Redis? When to MongoDB? [closed]
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308
votes
I would say, it depends on kind of dev team you are and your application ne...
How to check if AlarmManager already has an alarm set?
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325
Following up on the comment ron posted, here is the detailed solution. Let's say you have reg...
awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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