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How to convert a byte array to a hex string in Java?
...
From the discussion here, and especially this answer, this is the function I currently use:
private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
public static String bytesToHex(byte[] bytes) {
char[] ...
std::next_permutation Implementation Explanation
...1 2 3 4
1 2 4 3
1 3 2 4
1 3 4 2
1 4 2 3
1 4 3 2
2 1 3 4
...
How do we go from one permutation to the next? Firstly, let's look at things a little differently. We can view the elements as digits and the permutations as numbers. Viewing the problem in this way we want to order the permutations/numbe...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
... the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And in the pageCrawler file I have included the following two lines:
from bs4 import BeautifulSoup
from urllib2 import urlopen
...
How do I calculate the date in JavaScript three months prior to today?
...r! You don't have to install a library! You don't have to copy and paste from stackoverflow! You can develop the code yourself to do precisely what you need!
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How can two strings be concatenated?
...("GAD", "AB")
library(stringr)
str_c(tmp, collapse = ",")
# [1] "GAD,AB"
From its documentation file description, it fits this problem nicely.
To understand how str_c works, you need to imagine that you are building up a matrix of strings. Each input argument forms a column, and is expanded to...
Open a link in browser with java button? [duplicate]
...o work in JAR files created by Netbeans 7.x. It works when the code is run from Netbeans, but not when deployed as a JAR file... at least in my experience. I'm still looking for a solution.
– MountainX
Feb 16 '14 at 18:43
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What is the best way to conditionally apply attributes in AngularJS?
...the attribute with its value bound to the result of the angular expression from the original attribute value.
– Matthias
Nov 18 '13 at 21:37
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How do I fetch only one branch of a remote Git repository?
...ly use:
git remote set-branches <remote-name> <branch-name>
From git help remote:
set-branches
Changes the list of branches tracked by the named remote. This can be used to track a subset of the available remote branches
after the initial setup for a remote.
The named br...
Convert PHP closing tag into comment
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Use a trick: concatenate the string from two pieces. This way, the closing tag is cut in two, and is not a valid closing tag anymore. '?>' --> '?'.'>'
In your code:
$string = preg_replace('#<br\s*/?'.'>(?:\s*<br\s*/?'.'>)+#i', '<br /&g...
Android adding simple animations while setvisibility(view.Gone)
... animations like L2R, R2L, T2B, B2T animations.
This code shows animation from left to right
TranslateAnimation animate = new TranslateAnimation(0,view.getWidth(),0,0);
animate.setDuration(500);
animate.setFillAfter(true);
view.startAnimation(animate);
view.setVisibility(View.GONE);
if you want ...