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“is” operator behaves unexpectedly with integers
...entation keeps an
array of integer objects for all
integers between -5 and 256, when you
create an int in that range you
actually just get back a reference to
the existing object. So it should be
possible to change the value of 1. I
suspect the behaviour of Python in
this case is und...
Why does GCC generate such radically different assembly for nearly the same C code?
...I've managed to see how GCC optimizes the first case.
Before we can understand why they are so different, first we must understand how GCC optimizes fast_trunc_one().
Believe it or not, fast_trunc_one() is being optimized to this:
int fast_trunc_one(int i) {
int mantissa, exponent;
mantissa...
Difference between “process.stdout.write” and “console.log” in node.js?
What is the difference between "process.stdout.write" and "console.log" in node.js?
8 Answers
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
...nnection timeout error.
I'm not familiar with this - why does it occur and how can I fix it?
19 Answers
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How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
7
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What does %w(array) mean?
...otation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspider's quickref.
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improve th...
How to preview git-pull without doing fetch?
...EAD..origin/master to show the log entries between your last common commit and the origin's master branch. To show the diffs, use either git log -p HEAD..origin/master to show each patch, or git diff HEAD...origin/master (three dots not two) to show a single diff.
There normally isn't any need to u...
rbenv not changing ruby version
...ub directions. I am running OSX but I have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when I try to change ruby versions:
...
Git Pull While Ignoring Local Changes?
...ll that ignores any local file changes without blowing the directory away and having to perform a git clone ?
12 Answers
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.append(), prepend(), .after() and .before()
I am pretty proficient with coding, but now and then I come across code that seems to do basically the same thing. My main question here is, why would you use .append() rather then .after() or vice verses?
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