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Using regular expression in css?
...patterns which you can use to apply a style rule to an element(s).
http://www.w3.org/TR/selectors/
Match all divs which are direct descendants of #main.
#main > div
Match all divs which are direct or indirect descendants of #main.
#main div
Match the first div which is a direct descendant...
Ruby capitalize every word first letter
...
Look into the String#capitalize method.
http://www.ruby-doc.org/core-1.9.3/String.html#method-i-capitalize
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A semantics for Bash scripts?
...sed 's/foo/bar/' file > newfile)
Compound Commands (e.g. $ ( cd -P /var/www/webroot && echo "webroot is $PWD" ))
Coprocesses (Complex, no example)
Functions (A named compound command that can be treated as a simple command)
Execution Model
The execution model of course involves both a ...
Make elasticsearch only return certain fields?
...elpful - especially the two sections, Source filtering and Fields: https://www.elastic.co/guide/en/elasticsearch/reference/7.3/docs-get.html#get-source-filtering
They state about source filtering:
If you only need one or two fields from the complete _source, you can
use the _source_include &a...
Merge and interleave two arrays in Ruby
...a variable.
See the set union documentation for the Array class at http://www.ruby-doc.org/core/classes/Array.html#M000275.
This answer assumes that you don't want duplicate array elements. If you want to allow duplicate elements in your final array, a += b should do the trick. Again, if you don't...
Making an iframe responsive
...ed from YouTube -->
<iframe width="560" height="349" src="http://www.youtube.com/embed/n_dZNLr2cME?rel=0&hd=1" frameborder="0" allowfullscreen></iframe>
</div>
.videoWrapper {
position: relative;
padding-bottom: 56.25%; /* 16:9 */
padding-top: 25px;
heig...
How to convert a char array back to a string?
...
String str = "wwwwww3333dfevvv";
char[] c = str.toCharArray();
Now to convert character array into String , there are two ways.
Arrays.toString(c);
Returns the string [w, w, w, w, w, w, 3, 3, 3, 3, d, f, e, v, v, v].
And:
String.val...
jQuery count child elements
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
python plot normal distribution
...= 2.
plt.plot(x_axis, norm.pdf(x_axis,0,2))
plt.show()
Sources:
http://www.johndcook.com/distributions_scipy.html
http://docs.scipy.org/doc/scipy/reference/stats.html
http://telliott99.blogspot.com/2010/02/plotting-normal-distribution-with.html
...
How can I center a div within another div? [duplicate]
...ys to center things with CSS when W3Schools does it so nicely here: http://www.w3schools.com/css/css_align.asp but the basic idea is that for block level elements you simply specify the desired width and set the left and right margins to auto.
.center {
margin-left: auto;
margin-right: auto;...