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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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Difference between fmt.Println() and println() in Go
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103
println is an built-in function (into the runtime) which may eventually be removed, while the ...
How to rename a single column in a data.frame?
I know if I have a data frame with more than 1 column, I can use
20 Answers
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Do we need semicolon at the end? [duplicate]
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101
The concept is known as JavaScript Semicolon Insertion or "Automatic Semicolon Insertion". Thi...
How do I convert a String to an int in Java?
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SSL Error: unable to get local issuer certificate
...ou can grab it from here: http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt
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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 ...