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Declaring variables inside loops, good practice or bad practice?
Question #1: Is declaring a variable inside a loop a good practice or bad practice?
6 Answers
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What is the Git equivalent for revision number?
We use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git .
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Side-by-side plots with ggplot2
I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) .
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Remove all whitespaces from NSString
I've been trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked.
11 Answers
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nil detection in Go
... which is a valid comparison. To do that you can either use the golang new builtin, or initialize a pointer to it:
config := new(Config) // not nil
or
config := &Config{
host: "myhost.com",
port: 22,
} // not nil
or
var config *Config...
What's invokedynamic and how do I use it?
I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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When should i use npm with “-g” flag and why?
I've started using npm for js package management recently. Although I do have a fair understanding of package management in different enivronments(lets say using apt, rvm/gem, pythonbrew/virtualenv/pip), I don't quite understand how npm fully fits in.
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How to change the CHARACTER SET (and COLLATION) throughout a database?
Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
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Why do you not use C for your web apps?
I was having a look at a few different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
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Difference between \n and \r?
What’s the difference between \n (newline) and \r (carriage return)?
10 Answers
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