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How to exit in Node.js
What is the command that is used to exit? (i.e terminate the Node.js process)
19 Answers
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Rails raw SQL example
...array would then be the result of your sql query in an array which you can iterate through.
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Unioning two tables with different number of columns
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I realized that this solution also works without having to list all the columns. So instead of Select Col1, Col2, Col3, Null as Col4, Null as Col5 from Table2, one can also do, Select *, Null as Col4, Null as Col5 from Table2.
– Pratik Patel
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What does “program to interfaces, not implementations” mean?
...be done. This can be used to change the behavior of a program at run-time. It also helps you to write far better programs from the maintenance point of view.
Here's a basic example for you.
public enum Language
{
English, German, Spanish
}
public class SpeakerFactory
{
public static ISpea...
Python matplotlib multiple bars
... the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?
5 Answers
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How to determine CPU and memory consumption from inside a process?
...to be obtained from the Performance Data Helper library (PDH), which is a bit "unintuitive" and takes a lot of painful trial and error to get to work. (At least it took me quite a while, perhaps I've been only a bit stupid...)
Note: for clarity all error checking has been omitted from the following...
How to search for a part of a word with ElasticSearch
I've recently started using ElasticSearch and I can't seem to make it search for a part of a word.
10 Answers
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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
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Quick answer:
A child scope normally prototypically inherits from its parent scope, but not always. One exception to this rule is a directive with scope: { ... } -- this creates an "isolate" scope that does not prototypically inherit. This construct is often used when creating a ...
Can you nest html forms?
Is it possible to nest html forms like this
20 Answers
20
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Only read selected columns
...21 -27 -2 -6 -10 -32 -13 -12 -27 -30 -38 -29
and was created by using
write.table(dat, file = "data.txt", row.names = FALSE)
where dat is
dat <- structure(list(Year = 2009:2011, Jan = c(-41L, -41L, -21L), Feb = c(-27L,
-27L, -27L), Mar = c(-25L, -25L, -2L), Apr = c(-31L, -31L, -6L
), May =...