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“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
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Error while installing json gem 'mkmf.rb can't find header files for ruby'
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Aleksei MatiushkinAleksei Matiushkin
105k99 gold badges7575 silver badges118118 bronze badges
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What is the advantage of using forwarding references in range-based for loops?
...ider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <...
Rename specific column(s) in pandas
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Timings:
%%timeit
df.rename(columns={'gdp':'log(gdp)'}, inplace=True)
10000 loops, best of 3: 168 µs per loop
%%timeit
df.columns = ['log(gdp)' if x=='gdp' else x for x in df.columns]
10000 loops, best of 3: 58.5 µs per loop
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Selecting the first “n” items with jQuery
... selector too.
– Omiod
Dec 8 '09 at 10:33
3
Informative comment by @nickf, but the blog link and ...
How can I set the request header for curl?
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answered Nov 18 '10 at 7:27
Mads MobækMads Mobæk
29.5k2020 gold badges6464 silver badges7575 bronze badges
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Proper URL forming with Query String and Anchor Hashtag
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edited Mar 20 '17 at 10:04
Community♦
111 silver badge
answered Jan 13 '16 at 16:57
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Getting current unixtimestamp using Moment.js
... using the following JavaScript function: Math.floor(new Date().getTime()/1000) .
4 Answers
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How to convert a Django QuerySet to a list
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edited Dec 12 '10 at 23:24
answered Dec 12 '10 at 22:33
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How does TransactionScope roll back transactions?
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108
Essentially TransactionScope doesn't track your Adapter's, what it does is it tracks database ...