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How to drop columns using Rails migration
... accordingly.
– Powers
Oct 6 '13 at 21:03
9
You can also use remove_column :table_name, :column_n...
Compile time string hashing
...o rvalue conversion, and I'm not sure I understand the rules in §5.19/2/6/21 and §4.1 well enough to be sure about that.
From a practical viewpoint, this code is accepted by (for one example) g++, at least as far back as g++ 4.7.1.
Usage would be something like:
switch(std::hash(value)) {
c...
Why use the SQL Server 2008 geography data type?
...9012345, 12.3456789012345, 4326)
UNION ALL
SELECT geography::Point(87.6543210987654, 87.6543210987654, 4326)
GO 10000
INSERT dbo.LatLng
SELECT 12.3456789012345, 12.3456789012345
UNION
SELECT 87.6543210987654, 87.6543210987654
GO 10000
EXEC sp_spaceused 'dbo.Geo'
EXEC sp_spaceused 'dbo.LatLn...
How to mock void methods with Mockito
... for followers...)
– rogerdpack
Dec 21 '12 at 19:07
...
Lock Escalation - What's happening here?
...
– Jonathan Kehayias
Nov 9 '09 at 21:13
6
@dma_k - This option isn't relevant for CREATE TABLE be...
How to force a html5 form validation without submitting it via jQuery
...d.
– Yashpal Singla
Nov 29 '12 at 6:21
29
Try replacing $myForm.submit() with $myForm.find(':subm...
What exactly does the post method do?
...
carrizocarrizo
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Android custom dropdown/popup menu
...
Shylendra MaddaShylendra Madda
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Does Parallel.ForEach limit the number of active threads?
...
Jon SkeetJon Skeet
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How to generate a random alpha-numeric string?
...eate session identifiers.
*/
public RandomString() {
this(21);
}
}
Usage examples
Create an insecure generator for 8-character identifiers:
RandomString gen = new RandomString(8, ThreadLocalRandom.current());
Create a secure generator for session identifiers:
RandomStrin...