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SELECT INTO using Oracle
... never be true:
create table new_table as
select * from old_table
where 1 = 2
/
Remember that CREATE TABLE ... AS SELECT creates only a table with the same projection as the source table. The new table does not have any constraints, triggers or indexes which the original table might have. Those...
Compare two files in Visual Studio
I saw new comparsion tool in VS 2012 for comparing two files or two versions of file. I like it. But when I tried to find it I can't because I don't use TFS. Is there a way how can I just compare two files with builtin feature in VS but without TFS?
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ASP.NET Identity DbContext confusion
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179
I would use a single Context class inheriting from IdentityDbContext.
This way you can have th...
How do I query for all dates greater than a certain date in SQL Server?
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select *
from dbo.March2010 A
where A.Date >= Convert(datetime, '2010-04-01' )
In your query, 2010-4-01 is treated as a mathematical expression, so in essence it read
select *
from dbo.March2010 A
where A.Date >= 2005;
(2010 minus 4 ...
Hour from DateTime? in 24 hours format
...rmat.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
5 Answers
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Accessing outside variable using anonymous function as params
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188
You have to use use as described in docs:
Closures may also inherit variables from the par...
Python pandas Filtering out nan from a data selection of a column of strings
...N:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
0 ...
How do you install ssh-copy-id on a Mac?
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edited Jul 20 '16 at 19:50
answered Sep 4 '14 at 4:52
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What are the rules for evaluation order in Java?
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173
Let me say this very clearly, because people misunderstand this all the time:
Order of evalua...
How to exclude specific folders or files from validation in Eclipse?
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91
In the Validation section of Window > Preferences you can add different rules in settings (.....