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Hyphen, underscore, or camelCase as word delimiter in URIs?
...core is a word character, meaning it should be considered part of a word.
Double-click this in Chrome: camelCase
Double-click this in Chrome: under_score
Double-click this in Chrome: hyphen-ated
See how Chrome (I hear Google makes a search engine too) only thinks one of those is two words?
came...
How do I clone a GitHub wiki?
How do I clone my GitHub repository's wiki? I know it's saved as a separate Git repository, but I can't remember the path.
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What does -D_XOPEN_SOURCE do/mean?
...on. I did find XOPEN_SOURCE , but there was little explanation of what it does.
4 Answers
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How do I change the text of a span element using JavaScript?
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For modern browsers you should use:
document.getElementById("myspan").textContent="newtext";
While older browsers may not know textContent, it is not recommended to use innerHTML as it introduces an XSS vulnerability when the new text is user input (see other...
How to merge remote changes at GitHub?
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I keep running into this except that if I do a "git pull" I am told "Already up-to-date." and if I do a "git pull --rebase" I'm told that "Current branch master is up to date." Any ideas? Thanks!
– jwl
Sep 28 '11 at 15:08
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How to set a default value for a datetime column to record creation time in a migration?
...sts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
end
end
end
See discussion at https://github.com/rails/rails/issues/27077 and answer there by prathamesh-sonpatki
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How to get arguments with flags in Bash
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This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "$package - attempt to capture frames"
echo " "
echo "$package [options] application [arguments]"
echo " "
echo "options:"
echo "-h, --help ...
Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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How to get the Power of some Integer in Swift language?
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If you like, you could declare an infix operator to do it.
// Put this at file level anywhere in your project
infix operator ^^ { associativity left precedence 160 }
func ^^ (radix: Int, power: Int) -> Int {
return Int(pow(Double(radix), Double(power)))
}
// ...
// Th...
How do you use https / SSL on localhost?
...u have to just set “SSL
Enabled = true” in the project properties window.
See the steps and pictures at this code project.
IIS Express will generate a certificate for you (you'll be prompted for it, etc.). Note that depending on configuration the site may still automatically start with the ...