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How to pass a function as a parameter in Java? [duplicate]
...hod(Callable<T> func) {
return func.call();
}
This pattern is known as the Command Pattern.
Keep in mind you would be best off creating an interface for your particular usage. If you chose to go with callable, then you'd replace T above with whatever type of return value you expect, suc...
How do I filter query objects by date range in Django?
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What's date1's datatype? I've got datetime object now.
– user469652
Jan 12 '11 at 12:25
8
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No mapping found for field in order to sort on in ElasticSearch
...updating any libraries etc. but today I started getting this same error. I now added "ignore_unmapped" : true and it started to work again but strange thing is, what has happened behind the scene! Who knows! Anyway, it works now. +1
– BentCoder
May 19 '16 at 20...
GitHub pull request showing commits that are already in target branch
... to something other than master. Then switch it back to master and it will now correctly show only the changes from the most recent commits.
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How to deploy an ASP.NET Application with zero downtime
...e database. Once you upgrade the DB for Server 1, server 2 will explode. Now you can backup/restore the database for testing on server 1, but then you have the issue of sorting out the data that changed in the live DB while while the parallel copy was running.
– EBarr
...
How to suppress Update Links warning?
...ctedly got another:
WARNING #2
So, I suppose my testing environment is now pretty much similar to OP's) So far so good, we finally go to
VBA Opening
Now I'll try all possible options step by step to make the picture clear. I'll share only relevant lines of code for simplicity (complete sample ...
Can't specify the 'async' modifier on the 'Main' method of a console app
...Update, 2017-11-30: As of Visual Studio 2017 Update 3 (15.3), the language now supports an async Main - as long as it returns Task or Task<T>. So you can now do this:
class Program
{
static async Task Main(string[] args)
{
Bootstrapper bs = new Bootstrapper();
var list ...
What are the best practices for catching and re-throwing exceptions?
...database!";
die;
}
Logging or partial cleanup
Sometimes you do not know how to properly handle an exception inside a specific context; perhaps you lack information about the "big picture", but you do want to log the failure as close to the point where it happened as possible. In this case, yo...
How can I calculate the time between 2 Dates in typescript
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A tip, instead of using new Date().getTime() use Date.now() so you don't make new objects unnecessarily.
– PhoneixS
Mar 6 '18 at 12:34
1
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Long-lasting FB access-token for server to pull FB page info
...n to see that it is set to Expires: Never!
That should do it. You should now have a Facebook Page Access Token that doesn't expire, unless:
You change your Facebook account password
You lose admin access for the target page
You delete or de-authorize your Facebook App
Any of these will cause t...