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Show percent % instead of counts in charts of categorical variables
...e ? stat_bin. It shows what additional columns are added to the data frame by ggplot2. All extra columns are of the form ..variable...
– Ramnath
May 17 '14 at 13:42
1
...
When should I use cross apply over inner join?
... TOP 3 *
FROM t2
WHERE t2.t1_id = t1.id
ORDER BY
t2.rank DESC
) t2o
It cannot be easily formulated with an INNER JOIN condition.
You could probably do something like that using CTE's and window function:
WITH t2o AS
(
SELECT...
What is a JavaBean exactly?
...ble, from the API documentation:
Serializability of a class is enabled by the class implementing the
java.io.Serializable interface. Classes that do not implement this
interface will not have any of their state serialized or deserialized.
All subtypes of a serializable class are themselves...
I need to store postal codes in a database. How big should the column be?
...
As already raised by @neil-mcguigan, wikipedia has a decent page on the topic. Based on that 12 characters should do it: http://en.wikipedia.org/wiki/List_of_postal_codes
The wikipedia article lists ~254 countries, which is pretty good regard...
How do I deal with certificates using cURL while trying to access an HTTPS url?
...s/ca-certificates.crt.
Copying my certificate to the expected destination by running
sudo cp /etc/ssl/certs/ca-certificates.crt /etc/pki/tls/certs/ca-bundle.crt
worked for me. You will need to create folders for the target destination if they do not exist by running
sudo mkdir -p /etc/pki/tls/c...
Apache Spark: The number of cores vs. the number of executors
...ager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a core for these system pr...
How does a language expand itself? [closed]
....
But the libraries don't have to be written in C++ in order to be usable by a C++ program. Even if they are written in C++, they may internally use other libraries not written in C++. So the fact that C++ didn't provide any way to do it doesn't prevent it from being added, so long as there is some...
Simplest way to do a fire and forget method in C#?
...;
(five years later...)
Task.Run(() => FireAway());
as pointed out by luisperezphd.
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npm global path prefix
I am being more cautious than usual because I have been confused by the behavior of npm in the past.
10 Answers
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How to read an entire file to a string using C#?
...StreamReader approach
As the File.ReadAllText approach has been suggested by others, you can also try the quicker (I have not tested quantitatively the performance impact, but it appears to be faster than File.ReadAllText (see comparison below)). The difference in performance will be visible only ...