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R programming: How do I get Euler's number?
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The R expression
exp(1)
represents e, and
exp(2)
represents e^2.
This works because exp is the exponentiation function with base e.
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Read first N lines of a file in python
...ced in .net c#, however would like to do this in python to simplify things and out of interest.
16 Answers
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npm WARN package.json: No repository field
I installed Express.js with the following command:
11 Answers
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How to use a switch case 'or' in PHP
...icated" statements, eg: to test if a value is "greater than 3", "between 4 and 6", etc. If you need to do something like that, stick to using if statements, or if there's a particularly strong need for switch then it's possible to use it back to front:
switch (true) {
case ($value > 3) :
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Is there a method for String conversion to Title Case?
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Just a small update, WordUtils is gone to Commons Text and is deprecated inside Commons Lang
– msrd0
Oct 16 '17 at 21:45
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Change Name of Import in Java, or import two classes with the same name
...iasing mechanism in Java. You cannot import two classes with the same name and use both of them unqualified.
Import one class and use the fully qualified name for the other one, i.e.
import com.text.Formatter;
private Formatter textFormatter;
private com.json.Formatter jsonFormatter;
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Are there pronounceable names for common Haskell operators? [closed]
I'm reading Learn You a Haskell for Great Good , and I never know how to pronounce the Haskell operators. Do they have "real" names? ?
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Skip certain tables with mysqldump
Is there a way to restrict certain tables from the mysqldump command?
10 Answers
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Open-sided Android stroke?
Is it possible to create an Android shape object with stroke on only certain sides?
8 Answers
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uint8_t can't be printed with cout
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isn't int(var) and (int)var actually the same thing?
– paulm
Feb 17 '14 at 23:18
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