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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...
Android search with Fragments
...or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
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EXC_BAD_ACCESS signal received
When deploying the application to the device, the program will quit after a few cycles with the following error:
32 Answers...
Total memory used by Python process?
Is there a way for a Python program to determine how much memory it's currently using? I've seen discussions about memory usage for a single object, but what I need is total memory usage for the process, so that I can determine when it's necessary to start discarding cached data.
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Big-O summary for Java Collections Framework implementations? [closed]
I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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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...
What is the best way to trigger onchange event in react js
...use prototype of HTMLTextAreaElement class.
New codepen example.
All credits to this contributor and his solution
Outdated answer only for React <=15.5
With react-dom ^15.6.0 you can use simulated flag on the event object for the event to pass through
var ev = new Event('input', { bubbles: t...
How to return dictionary keys as a list in Python?
In Python 2.7 , I could get dictionary keys , values , or items as a list:
8 Answers
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std::unique_ptr with an incomplete type won't compile
I'm using the pimpl-idiom with std::unique_ptr :
6 Answers
6
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How good is Java's UUID.randomUUID?
I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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