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Shards and replicas in Elasticsearch
...o manage big amounts of data.
Every elasticsearch index is composed of at least one primary shard since that's where the data is stored. Every shard comes at a cost, though, therefore if you have a single node and no foreseeable growth, just stick with a single primary shard.
Another type of shard...
How to get current page URL in MVC 3
...ncluded in the host header) before any load-balancing etc takes place.
At least, it does in our (rather convoluted!) environment :)
If there are any funky proxies in between that rewrite the host header, then this won't work either.
Update 30th July 2013
As mentioned by @KevinJones in comments b...
Using Git, how could I search for a string across all branches?
...
at least for the search in all branches should be: git branch -a | cut -c3- | cut -d' ' -f 1 | xargs git grep "string" or it will fail with -> symbol in files list, which denotes local to remote branches relation
...
How to express a One-To-Many relationship in Django
...True), or add some sort of custom validation to make sure that there is at least one or the other. what about the case of a business having a generic number? or an unemployed dude?
– j_syk
Aug 3 '11 at 23:08
...
Is there a HTML opposite to ?
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Not allowed in the xhtml standard at least.
– Dykam
Aug 4 '09 at 19:56
29
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Importing CSV with line breaks in Excel 2007
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Excel (at least in Office 2007 on XP) can behave differently depending on whether a CSV file is imported by opening it from the File->Open menu or by double-clicking on the file in Explorer.
I have a CSV file that is in UTF-8 encod...
gcc warning" 'will be initialized after'
...ty code that I cannot modify.
Is there a way to disable this warning or at least disable it for certain areas (like #pragma push/pop in VC++)?
...
How to get Twitter-Bootstrap navigation to show active link?
.... Likewise for repeating the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition.
– Dustin Frazier
May 9 '12 at 17:17
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What is the right way to override a setter method in Ruby on Rails?
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I have found that (at least for ActiveRecord relationship collections) the following pattern works:
has_many :specialties
def specialty_ids=(values)
super values.uniq.first(3)
end
(This grabs the first 3 non-duplicate entries in the array pa...
Add 2 hours to current time in MySQL?
...o the trick. (You can also use the ADDTIME() function if you're running at least v4.1.1.)
For your query, this would be:
SELECT *
FROM courses
WHERE DATE_ADD(now(), INTERVAL 2 HOUR) > start_time
Or,
SELECT *
FROM courses
WHERE ADDTIME(now(), '02:00:00') > start_time
...