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Unable to verify leaf signature
...e right way with certificates. I merely wanted to setup a quick test for a demo so the code I posted is a quick fix. I should have prefaced with that in my comment.
– LukeP
Jun 3 '15 at 21:48
...
What does |= (ior) do in Python?
...1):
01010
10000
-----
11010
(3) Return the result in the given type, e.g. base 10, decimal:
>>> int(0b11010)
26
The internal binary comparison means we can apply the latter to integers in any base, e.g. hex and octal:
>>> c = 0xa # 10
&g...
How do you fade in/out a background color using jquery?
...e built-in effects that may be useful to you as well.
http://jqueryui.com/demos/effect/
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...
How should I validate an e-mail address?
...\\-\\+]{1,256}" +
"\\@" +
"[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}" +
"(" +
"\\." +
"[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" +
")+"
);
You can use function
private boolean checkEmail(String email) {
return EMAIL_ADDRESS_PATTERN.matcher(em...
AngularJS For Loop with Numbers & Ranges
...ersion, for creating a range between two defined numbers, eg. 5 to 15
See demo on JSFiddle
HTML:
<ul>
<li ng-repeat="n in range(5,15)">Number {{n}}</li>
</ul>
Controller:
$scope.range = function(min, max, step) {
step = step || 1;
var input = [];
for (va...
Remove rows with all or some NAs (missing values) in data.frame
...ata.frame does not support cols=.
Benchmark result
Here is a comparison of base (blue), dplyr (pink), and data.table (yellow) methods for dropping either all or select missing observations, on notional dataset of 1 million observations of 20 numeric variables with independent 5% likelihood of being ...
GLib compile error (ffi.h), but libffi is installed
...
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redhat-base OS:
yum install libffi-devel
With Alpine Linux:
apk add libffi-dev
...
Easy pretty printing of floats in python?
...but you can't clarify a question and then slight the rest of the answerers based on the information we were working with.
– Jed Smith
Oct 14 '09 at 18:42
1
...
Set opacity of background image without affecting child elements
... absolutely positioned child with a relatively positioned parent.
Check demo at http://www.impressivewebs.com/css-opacity-that-doesnt-affect-child-elements/
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Stacking Divs from Bottom to Top
...-align:bottom and max-height. See MDN for specific browser compatibility.
Demo (vertical-align)
.wrapper {
display: table-cell;
vertical-align: bottom;
height: 200px;
}
.content {
max-height: 200px;
overflow: auto;
}
html
<div class="wrapper">
<div class="content">
...