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String comparison in bash. [[: not found
... trying to compare strings in bash. I already found an answer on how to do it on stackoverflow . In script I am trying, I am using the code submitted by Adam in the mentioned question:
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Restricting input to textbox: allowing only numbers and decimal point
How can I restrict input to a text-box so that it accepts only numbers and the decimal point?
32 Answers
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HTML text input allow only numeric input
...pdated answer. Comments below refer to an old version which messed around with keycodes.
JavaScript
Try it yourself on JSFiddle.
You can filter the input values of a text <input> with the following setInputFilter function (supports Copy+Paste, Drag+Drop, keyboard shortcuts, context menu ope...
Python's os.makedirs doesn't understand “~” in my path
I have a little problem with ~ in my paths.
5 Answers
5
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Re-enabling window.alert in Chrome
I accidently checked the "disable alerts from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
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In VIM, how do I break one really long line into multiple lines?
Say I have a super long line in the VIM editor (say around 300+ characters). How would I break that up into multiple lines so that the word boundaries roughly break at 80 characters?
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How to prevent form from submitting multiple times from client side?
Sometimes when the response is slow, one might click the submit button multiple times.
23 Answers
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Is a colon `:` safe for friendly-URL use?
...ently wrote a URL encoder, so this is pretty fresh in my mind.
http://site/gwturl#user:45/comments
All the characters in the fragment part (user:45/comments) are perfectly legal for RFC 3986 URIs.
The relevant parts of the ABNF:
fragment = *( pchar / "/" / "?" )
pchar = unreserv...
Android; Check if file exists without creating a new one
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Your chunk of code does not create a new one, it only checks if its already there and nothing else.
File file = new File(filePath);
if(file.exists())
//Do something
else
// Do something else.
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Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...w, success() does return the original promise. I'll not change; and leave it to OP to edit.
The major difference between the 2 is that .then() call returns a promise (resolved with a value returned from a callback) while .success() is more traditional way of registering callbacks and doesn't ret...