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What is the difference between Session.Abandon() and Session.Clear()
...hen I Abandon the session.
This is correct while you are doing it within one request only.
On the next request the session will be different. But the session ID can be reused so that the id will remain the same.
If you will use Session.Clear you will have the same session in many requests.
Ge...
SQL Server IN vs. EXISTS Performance
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I've done some testing on SQL Server 2005 and 2008, and on both the EXISTS and the IN come back with the exact same actual execution plan, as other have stated. The Optimizer is optimal. :)
Something to be aware of though, EXISTS,...
Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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Show current state of Jenkins build on GitHub repo
...tion this answer mentions is now marked as deprecated and there's a second one
– Daenyth
Aug 26 '16 at 14:32
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Is ASCII code 7-bit or 8-bit?
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ASCII was indeed originally conceived as a 7-bit code. This was done well before 8-bit bytes became ubiquitous, and even into the 1990s you could find software that assumed it could use the 8th bit of each byte of text for its own purposes ("not 8-bit clean"). Nowadays people think of it ...
what is faster: in_array or isset? [closed]
... I know about hashes, but wondering why something similar is not done on arrays values when possible to speed up functions, it will also reduce memory consuption if similar values are used by simply adding an extra hashing on the value.. correct ?
– Fabrizio
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How do I convert a pandas Series or index to a Numpy array? [duplicate]
... returned value would be the
actual array, some transformation of it, or one of pandas custom
arrays (like Categorical). For example, with PeriodIndex, .values
generates a new ndarray of period objects each time. [...]
These two functions aim to improve the consistency of the API, which is a...
Standardize data columns in R
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Realizing that the question is old and one answer is accepted, I'll provide another answer for reference.
scale is limited by the fact that it scales all variables. The solution below allows to scale only specific variable names while preserving other variables u...
How do I set environment variables from Java?
...g them.
Also, you probably already know this, but you can start more than one process with the same ProcessBuilder. So if your subprocesses are the same, you don't need to do this setup over and over.
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Generic List - moving an item within the list
... I wonder why this isn't implemented on the List<T> as well, any one to shed some light on this?
– Andreas
Jan 17 '14 at 9:47
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