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What is the difference between active and passive FTP?
...eparate channels a nifty way of being able to send commands to the server without having to wait for the current data transfer to finish. As per the RFC, this is only mandated for a subset of commands, such as quitting, aborting the current transfer, and getting the status.
In active mode, the cl...
Python nested functions variable scoping [duplicate]
... the line is effectively saying:
_total = _total + PRICE_RANGES[key][0]
it creates _total in the namespace of recurse(). Since _total is then new and unassigned you can't use it in the addition.
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Prevent a webpage from navigating away using JavaScript
...ws you to display messages, but will not interrupt the navigation (because it is too late). However, using onbeforeunload will interrupt navigation:
window.onbeforeunload = function() {
return "";
}
Note: An empty string is returned because newer browsers provide a message such as "Any unsaved ...
Deleting all records in a database table
...
If you are looking for a way to it without SQL you should be able to use delete_all.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are ...
Parsing JSON giving “unexpected token o” error [duplicate]
...problem parsing simple JSON strings. I have checked them on JSONLint and it shows that they are valid. But when I try to parse them using either JSON.parse or the jQuery alternative it gives me the error unexpected token o :
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How to change the text of a button in jQuery?
...ge the text value of a button in jQuery? Currently, my button has 'Add' as its text value, and upon being clicked I want it to change to 'Save'. I have tried this method below, but so far without success:
...
How to output a multiline string in Bash?
How can I output a multipline string in Bash without using multiple echo calls like so:
7 Answers
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Completion handler for UINavigationController “pushViewController:animated”?
...pp using a UINavigationController to present the next view controllers.
With iOS5 there´s a new method to presenting UIViewControllers :
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Which commit has this blob?
Given the hash of a blob, is there a way to get a list of commits that have this blob in their tree?
7 Answers
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How do I style a dropdown with only CSS?
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Here are three solutions:
Solution #1 - appearance: none - with Internet Explorer 10 - 11 workaround (Demo)
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To hide the default arrow set appearance: none on the select element, then add your own custom arrow with background-image
select {
-webkit-appearance: none;
-moz-app...