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No mapping found for field in order to sort on in ElasticSearch
...xplicitly set to true in the sort clause.
"sort" : [
{ "rating": {"order" : "desc" , "ignore_unmapped" : true} },
{ "price": {"order" : "asc" , "missing" : "_last" , "ignore_unmapped" : true} }
]
For further information have a look at the Elasticsearch references for:
missing valu...
Getting current device language in iOS?
... language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale preferredLanguages] firstObject];
This will return a two letter code for the currently selected language. "en" for English, "e...
How to run test methods in specific order in JUnit4?
I want to execute test methods which are annotated by @Test in specific order.
18 Answers
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Best dynamic JavaScript/JQuery Grid [closed]
...valuating DataTables, but adding rows (and having them be part of the sort order) is not working well.
– MattW
Jan 12 '12 at 14:50
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How can I sort a dictionary by key?
...
Standard Python dictionaries are unordered. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering.
The easiest way is to use OrderedDict, which remembers the order in which the element...
Placing/Overlapping(z-index) a view above another view in android
...you can use a FrameLayout. In a FrameLayout, the z-index is defined by the order in which the items are added, for example:
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
&l...
How do you sort a dictionary by value?
...example, I have a hash of words and respective frequencies, that I want to order by frequency.
18 Answers
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How do I simulate a low bandwidth, high latency environment?
I need to simulate a low bandwidth, high latency connection to a server in order to emulate the conditions of a VPN at a remote site. The bandwidth and latency should be tweakable so I can discover the best combination in order to run our software package.
...
Sorting arrays in NumPy by column
... actually the most elegant way of doing it.
For the "correct" way see the order keyword argument of numpy.ndarray.sort
However, you'll need to view your array as an array with fields (a structured array).
The "correct" way is quite ugly if you didn't initially define your array with fields...
A...
What does it mean by buffer?
... not specific to IT or CS. It's a place to store something temporarily, in order to mitigate differences between input speed and output speed. While the producer is being faster than the consumer, the producer can continue to store output in the buffer. When the consumer speeds up, it can read from ...