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jQuery equivalent of getting the context of a Canvas
... ensure you don't try calling the canvas element before it's fully created and registered to the DOM.
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Print a file's last modified date in Bash
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You can use the
stat
command
stat -c %y "$entry"
More info
%y time of last modification, human-readable
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git: fatal: Could not read from remote repository
...key had been "removed". so ssh-add ~/.ssh/theKeyInQuestion got me back up and running with this repo, didnt know the key removed, or what "removed" even means but at least I was able to get authenticated again. SSH is a total mystery to me even after months of dealing with authentication issues. s...
Ruby on Rails: How can I revert a migration with rake db:migrate?
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Run the following command
rake db:migrate:down VERSION=<version>
where <version> is the version number of your migration file you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
r...
How to kill a process on a port on ubuntu
I am trying to kill a process in the command line for a specific port in ubuntu.
27 Answers
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Total width of element (including padding and border) in jQuery
...bject, how can one get the total width of an element, including its border and padding, using jQuery? I've got the jQuery dimensions plugin, and running .width() on my 760px-wide , 10px padding DIV returns 760 .
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Kotlin: how to pass a function as parameter to another?
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Use :: to signify a function reference, and then:
fun foo(m: String, bar: (m: String) -> Unit) {
bar(m)
}
// my function to pass into the other
fun buz(m: String) {
println("another message: $m")
}
// someone passing buz into foo
fun something() {
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Python: finding an element in a list [duplicate]
...x in mylist if x.attr == "foo"][0]
Of course this assumes the existence (and, actually, uniqueness) of a suitable element in the list.
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How can I copy data from one column to another in the same table?
... This will also work if you want to transfer old value to other column and update the first one: UPDATE table SET columnA = 'new value', columnB = columnA. Like other answer says - don't forget the WHERE clause to update only what's needed.
– Carl di Ortus
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How do you install ssh-copy-id on a Mac?
...d out my brew library was a bit overdue for a refresh. Running brew update and then installing again solved the problem.
– LapplandsCohan
Sep 29 '16 at 18:30
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