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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
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edited Apr 16 '19 at 20:39
chrisfs
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answered...
Bash script - variable content as a command to run
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217
You just need to do:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $...
Is it possible to use JavaScript to change the meta-tags of the page?
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<script type='text/javascript' src='http://code.jquery.com/jquery-1.8.2.js'></script>
<button>Change description</button>
<script type='text/javascript'>
$('button').on('click', function() {
// Just replacing the value of the 'content' attribute will not work.
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...from the C++11 draft standard section 6.6.3 The return statement paragraph 2 which says:
[...] Flowing off the end of a function is equivalent to a return with no value; this results in undefined behavior in a value-returning function. [...]
This means that the compiler is not obligated provid...
How to change the type of a field?
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215
The only way to change the $type of the data is to perform an update on the data where the dat...
builtins.TypeError: must be str, not bytes
I've converted my scripts from Python 2.7 to 3.2, and I have a bug.
2 Answers
2
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ansible: lineinfile for several lines?
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228
You can use a loop to do it. Here's an example using a with_items loop:
- name: Set some kern...
awk without printing newline
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222
awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print w...
How expensive is RTTI?
... on many platforms (Linux, BSD and maybe embedded platforms, but not mingw32). If you know you'll always be on a blessed platform, RTTI is very close to free.
Gritty details:
GCC prefers to use a particular "vendor-neutral" C++ ABI[1], and always uses this ABI for Linux and BSD targets[2]. For pla...
Test if string is a number in Ruby on Rails
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12 Answers
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