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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
...ven more clearly and efficiently, by taking care of the redundant trailing comma:
StringBuilder result = new StringBuilder();
for(String string : collectionOfStrings) {
result.append(string);
result.append(",");
}
return result.length() > 0 ? result.substring(0, r...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
...
For a simple check, or you can add more complex validation on each change
– Keith
Jul 13 '09 at 15:09
1
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
...
Custom thread pool in Java 8 parallel stream
...cute it as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
// Parallel task ...
Textarea to resize based on content length [duplicate]
...s by using "overflow-y:hidden" instead, but then your css is not standards-compliant.
– Alsciende
Jun 15 '09 at 12:27
...
How can I convert an image into Base64 string using JavaScript?
...u can choose from:
1. Approach: FileReader
Load the image as blob via XMLHttpRequest and use the FileReader API to convert it to a dataURL:
function toDataURL(url, callback) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
var reader = new FileReader();
reader.onloa...
How to add screenshot to READMEs in github repository?
...mbed an image that's hosted elsewhere, you can use a full URL
GitHub recommend that you use relative links with the ?raw=true parameter to ensure forked repos point correctly.
The raw=true parameter is there in order to ensure the image y...
SSH library for Java [closed]
...
Update: The GSOC project and the code there isn't active, but this is:
https://github.com/hierynomus/sshj
hierynomus took over as maintainer since early 2015. Here is the older, no longer maintained, Github link:
https://github.com/shikhar/sshj
There was a GSOC project:
http://code.googl...
Tools to make CSS sprites? [closed]
...ers. Just tries it out and it seems to work pretty well.
Here is the link http://spriteme.org/ and here is the blog post announcing it.
http://www.stevesouders.com/blog/2009/09/14/spriteme/
share
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What is the most elegant way to remove a path from the $PATH variable in Bash?
...ATH} | awk -v RS=: -v ORS=: '/SDE/ {next} {print}'`
Edit: It response to comments below:
$ export a="/a/b/c/d/e:/a/b/c/d/g/k/i:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i"
$ echo ${a}
/a/b/c/d/e:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i
## Remove multiple (any directory with a: all of them)
$ echo ${a} | awk -v RS=...