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How do I split a string on a delimiter in Bash?
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now after the fix applied, only within the duration of the read command :)
– Johannes Schaub - litb
May 28 '09 at 3:04
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Find all packages installed with easy_install/pip?
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As of version 1.3 of pip you can now use pip list
It has some useful options including the ability to show outdated packages. Here's the documentation: https://pip.pypa.io/en/latest/reference/pip_list/
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Make function wait until element exists
...on of MutationObserver.
EDIT: All major browsers support MutationObserver now.
Something along the lines of this should do the trick:
// callback executed when canvas was found
function handleCanvas(canvas) { ... }
// set up the mutation observer
var observer = new MutationObserver(function (mut...
MySql export schema without data
I'm using a MySql database with a Java program, now I want to give the program to somebody else.
13 Answers
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NSRange to Range
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Therefore the text replacement in the text field delegate method
can now be done as
func textField(_ textField: UITextField,
shouldChangeCharactersIn range: NSRange,
replacementString string: String) -> Bool {
if let oldString = textField.text {
l...
What's the difference between Cache-Control: max-age=0 and no-cache?
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Old question now, but if anyone else comes across this through a search as I did, it appears that IE9 will be making use of this to configure the behaviour of resources when using the back and forward buttons. When max-age=0 is used, the ...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...refer to use OOP in large scale projects like the one I'm working on right now. I need to create several classes in JavaScript but, if I'm not mistaken, there are at least a couple of ways to go about doing that. What would be the syntax and why would it be done in that way?
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UI Terminology: Logon vs Login [closed]
... catch. Don't even get me started on "doing things everyday" ... which is now apparently correct enough to appear on TV, in signage, and everywhere else except in a dictionary.
– Adam Liss
Jan 2 '09 at 4:51
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How to execute Python scripts in Windows?
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When you execute a script without typing "python" in front, you need to know two things about how Windows invokes the program. First is to find out what kind of file Windows thinks it is:
C:\>assoc .py
.py=Python.File
Next, you need to know how Windows is executing things with tha...
Is storing a delimited list in a database column really that bad?
...ne type of query at the expense of other uses of the data, so be sure you know which of your queries need to be treated so specially that they deserve denormalization.
* MySQL 8.0 no longer supports this word-boundary expression syntax.
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