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Calculating the difference between two Java date instances
...it.
TimeUnit is java.util.concurrent.TimeUnit, a standard Java enum going from nanos to days.
Human readable diff (without lib)
public static Map<TimeUnit,Long> computeDiff(Date date1, Date date2) {
long diffInMillies = date2.getTime() - date1.getTime();
//create the list
Li...
How do I merge a git tag onto a branch
...Remember before you merge you need to update the tag, it's quite different from branches (git pull origin tag_name won't update your local tags). Thus, you need the following command:
git fetch --tags origin
Then you can perform git merge tag_name to merge the tag onto a branch.
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What is the use of the @ symbol in PHP?
...hable, etc.).
But what's the point to still not use it? Let's have a look from two perspectives:
As a developer: When @ is used, I have absolutely no idea where to start. If there are hundreds or even thousands of function calls with @ the error could be like everyhwere. No reasonable debugging po...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...URLConnection)url.openConnection();
//trying to retrieve data from the source. If there
//is no connection, this line will fail
Object objData = urlConnect.getContent();
} catch (Exception e) {
e.printStackTrace();
r...
How to get the last value of an ArrayList
...se an iteration of the list? That doesnt seem very efficient to me. I come from C++, where there are actual front() and back() methods on the list object, that are internally implemented with head and tail references. Is there a similar mechanism in Java?
– Brady
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npm global path prefix
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Blindly following the advice from someone on the internets is not a good idea.
– Volte
Aug 23 '15 at 14:43
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Python's time.clock() vs. time.time() accuracy?
...ure, the TC timeout expired and the test case was aborted. I had to switch from time.time() to time.clock() to handle this properly.
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variable === undefined vs. typeof variable === “undefined”
...ction that jQuery code lives in, so within that function undefined is safe from tampering from outside. I would also imagine that someone somewhere has benchmarked the two different approaches and discovered that foo === undefined is faster and therefore decided it's the way to go. [UPDATE: as noted...
Passing variables through handlebars partial
... {{> partialName {new_variable: some_data} }}
– bafromca
Oct 21 '14 at 0:08
1
@bafromca thats ...
How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
...est - make sure browsers get JSON without compromising content negotiation from clients that actually want XML. The only missing piece for me was that the response headers still contained content-type: text/html. Why was that a problem? Because I use the JSON Formatter Chrome extension, which inspec...