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How to delete a certain row from mysql table with same column values?
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Add a limit to the delete query
delete from orders
where id_users = 1 and id_product = 2
limit 1
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Linq order by boolean
I've got a linq query that I want to order by f.bar, which is a string, but I also want to order it by f.foo, which is a boolean field, first. Like the query below.
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Java Array Sort descending?
Is there any EASY way to sort an array in descending order like how they have a sort in ascending order in the Arrays class ?
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Swift how to sort array of custom objects by property value
...rted(by: { $0.fileID > $1.fileID })
The example above gives desc sort order
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Ways to save enums in database
... Heart = 1,
Club = 3,
Diamond = 2,
Spade = 0 }
in order to maintain the legacy numerical values stored in the database.
How to sort them in the database
The question comes up: lets say i wanted to order the values. Some people may want to sort them by the enum's ordinal va...
Is there a way to disable initial sorting for jquery DataTables?
...orting": []
});
})
For newer versions of Datatables (>= 1.10) use order option:
$(document).ready( function() {
$('#example').dataTable({
/* No ordering applied by DataTables during initialisation */
"order": []
});
})
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What is the difference between a HashMap and a TreeMap? [duplicate]
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TreeMap is an example of a SortedMap, which means that the order of the keys can be sorted, and when iterating over the keys, you can expect that they will be in order.
HashMap on the other hand, makes no such guarantee. Therefore, when iterating over the keys of a HashMap, you can...
Hashset vs Treeset
... log-time for most operations like add, remove and contains) but offers no ordering guarantees like TreeSet.
HashSet
the class offers constant time performance for the basic operations (add, remove, contains and size).
it does not guarantee that the order of elements will remain constant over ti...
When is the init() function run?
...n have multiple init() functions per package; they will be executed in the order they show up in the file (after all variables are initialized of course). If they span multiple files, they will be executed in lexical file name order (as pointed out by @benc):
It seems that init() functions are e...
Are there any Java method ordering conventions? [closed]
...re pretty jumbled up in terms of utility public/private etc. and I want to order them in a sensible way. Is there a standard way of doing this? E.g. normally fields are listed before methods, the constructor(s) are listed before other methods, and getters/setters last; what about the remaining metho...