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Sorted collection in Java
... search and move).
However, unlike a List, PriorityQueue does not support indexed access (get(5)), the only way to access items in a heap is to take them out, one at a time (thus the name PriorityQueue).
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Set opacity of background image without affecting child elements
... {
content: "";
position: absolute;
width: 100%;
height: 100%;
z-index: -1;
background: url(/images/arrow.png) no-repeat 0 50%;
opacity: 0.5;
}
Hack with opacity .99 (less than 1) creates z-index context so you can not worry about global z-index values. (Try to remove it and see what...
Java regex capturing groups indexes
...is defined to be group number 0.
Any capturing group in the pattern start indexing from 1. The indices are defined by the order of the opening parentheses of the capturing groups. As an example, here are all 5 capturing groups in the below pattern:
(group)(?:non-capturing-group)(g(?:ro|u)p( (neste...
python max function using 'key' and lambda expression
...he object before comparison, or to compare based on a particular attribute/index, you've to use the key argument.
Example 1:
A simple example, suppose you have a list of numbers in string form, but you want to compare those items by their integer value.
>>> lis = ['1', '100', '111', '2'...
Find a pair of elements from an array whose sum equals a given number
...sum
for i=0 to arr.length - 1 do
# key is the element and value is its index.
hash(arr[i]) = i
end-for
for i=0 to arr.length - 1 do
# if K-th element exists and it's different then we found a pair
if hash(K - arr[i]) != i
print "pair i , hash(K - arr[i]) has sum K"
end-if
end-fo...
Is there a way to automate the android sdk installation?
...of
the numbers returned by android list sdk (i.e. 1, also know as package index)
add-on
doc
extra
platform
platform-tool
sample
source
system-image
tool
or can be one or more specific identifiers. For instance, if you just want to download a small set of specific packages, you could do this:
$ and...
How to include a Font Awesome icon in React's render()
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is that possible to work reactjs 15.6 i added link index.html <link rel="shortcut icon" href="maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/…"> but can't work
– rahuldm
Jul 7 '17 at 16:50
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How can I selectively merge or pick changes from another branch in Git?
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@mykhal and others: this stages the files in the index automatically, so you if you checked out foo.c do git reset HEAD foo.c to unstage that file and you can then diff it. I found this out after trying it and coming back here to look for an answer to this
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PhpStorm text size
Is it possible to define a shortcut to increase/decrease size of code in PhpStorm, like what you can do in Notepad++ with CTRL + Mouse Wheel ?
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How to remove single character from a String
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One possibility:
String result = str.substring(0, index) + str.substring(index+1);
Note that the result is a new String (as well as two intermediate String objects), because Strings in Java are immutable.
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