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Java 8 Distinct by property
...va 8 how can I filter a collection using the Stream API by checking the distinctness of a property of each object?
28 Ans...
Proper way to wait for one function to finish before continuing?
...calling function, I'd like to call the other, wait for that function to finish, then continue on. So, for example/pseudo code:
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How to delete the top 1000 rows from a table using Sql Server 2008?
...er. I would like to delete the top 1000 rows from it. However, I tried this, but I instead of just deleting the top 1000 rows it deleted all the rows in the table.
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What is the PostgreSQL equivalent for ISNULL()
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SELECT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:
SELECT coalesce(field, 'Empty') AS field_alias
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E11000 duplicate key error index in mongodb mongoose
Following is my user schema in user.js model -
25 Answers
25
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Salting Your Password: Best Practices?
I've always been curious... Which is better when salting a password for hashing: prefix, or postfix? Why? Or does it matter, so long as you salt?
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UIActionSheet cancel button strange behaviour
...n sheet, use the showFromTabBar: method of UIActionSheet.
The Right Way
This will give the correct tappable area:
[actionSheet showFromTabBar:self.tabBarController.tabBar];
The Wrong Way
This will put the tappable area in the wrong place (if you're using a tab bar or toolbar):
[actionSheet show...
Collections.emptyList() vs. new instance
In practice, is it better to return an empty list like this :
7 Answers
7
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varbinary to string on SQL Server
...ing a varbinary to a varchar" can mean different things.
If the varbinary is the binary representation of a string in SQL Server (for example returned by casting to varbinary directly or from the DecryptByPassPhrase or DECOMPRESS functions) you can just CAST it
declare @b varbinary(max)
set @b = 0...
Remove the last character in a string in T-SQL?
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edited Jul 9 '16 at 1:25
Shiroy
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