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How to get index using LINQ? [duplicate]
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An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Dictionary or HashSet) are not.
Therefore, LINQ does not have an IndexOf method.
However, you can write one yourself:
///<summary>Finds the index of ...
How can you determine how much disk space a particular MySQL table is taking up?
...ze_mb, table_name FROM information_schema.tables WHERE table_schema='mydb' order by tablesize_mb; to get a list of all tables of mydb with name and size, ordered by size.
– kqw
Jun 15 '15 at 18:03
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
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The order that function parameters are evaluated is unspecified behavior. (This won't make your program crash, explode, or order pizza... unlike undefined behavior.)
The only requirement is that all parameters must be fully eval...
How can I group by date time column without taking time into consideration
I have a bunch of product orders and I'm trying to group by the date and sum the quantity for that date. How can I group by the month/day/year without taking the time part into consideration?
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Table Naming Dilemma: Singular vs. Plural Names [closed]
...will always have a singular one (with few exceptions like News).
Customer
Order
User
Status
News
Reason 3. (Aesthetic and Order). Specially in master-detail scenarios, this reads better, aligns better by name, and have more logical order (Master first, Detail second):
1.Order
2.OrderDetail
Compa...
Export database schema into SQL file
...ME
WHERE inf.TABLE_NAME = @TableName and inf.TABLE_SCHEMA=@schema
ORDER BY inf.ORDINAL_POSITION
'
print @sql
INSERT INTO @ShowFields( DatabaseName
,TableOwner
,TableName
,Fie...
Get difference between two lists
... and point out that this only returns the temp1-temp2? .. As other said in order to return all the differences you have to use the sysmetric difference: list(set(temp1) ^ set(temp2))
– rkachach
Feb 16 '16 at 16:00
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How to append contents of multiple files into one file
... Keep in mind that you are losing the possibility to maintain merge order though. This may affect you if you have your files named, eg. file_1, file_2, … file_11, because of the natural order how files are sorted.
– emix
Nov 19 '19 at 13:42
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1052: Column 'id' in field list is ambiguous
...nion
(select ID from Design where AccountID = 1 and Rendered = 'True')
order by ID limit 0, 51
Here's the docs for it https://dev.mysql.com/doc/refman/5.0/en/union.html
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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...