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How does JavaScript handle AJAX responses in the background?
...s, it pulls it off the queue and triggers that event (like a mouse click, for example).
The native code networking that lies under the ajax call will know when the ajax response is done and an event will get added to the javascript event queue. How the native code knows when the ajax call is done ...
What are the differences between virtual memory and physical memory?
...of virtualization in operating systems. Considering RAM as the physical memory, why do we need the virtual memory for executing a process?
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
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When working with Swift, you can use the enum UIUserInterfaceIdiom, defined as:
enum UIUserInterfaceIdiom : Int {
case unspecified
case phone // iPhone and iPod touch style UI
case pad // iPad style UI (also include...
How to get the browser to navigate to URL in JavaScript [duplicate]
What is the best (correct, modern, cross-browser, safe) way to get a web browser to navigate to a URL of your choice using JavaScript?
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Do we need semicolon at the end? [duplicate]
...semicolons in some of the places in my JavaScript, but its not throwing error in any of the browsers. Is the ; at the end needed?
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Print string to text file
....close()
If you use a context manager, the file is closed automatically for you
with open("Output.txt", "w") as text_file:
text_file.write("Purchase Amount: %s" % TotalAmount)
If you're using Python2.6 or higher, it's preferred to use str.format()
with open("Output.txt", "w") as text_file:...
SyntaxError: Use of const in strict mode
I'm working with node.js, and in one of my js files I'm using const in "strict mode" . When trying to run it, I'm getting an error:
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...dd(2);
list.add(3);
StringBuilder b = new StringBuilder();
list.forEach(b::append);
System.out.println(b);
you can also try:
String s = list.stream().map(e -> e.toString()).reduce("", String::concat);
Explanation: map converts Integer stream to String stream, then its reduced a...
How to execute Python scripts in Windows?
...py foo". Now you're in a position to figure out the rest of your problem for yourself.
(Or post more helpful information in your question, like actual cut-and-paste copies of what you see in the console. Note that people who do that type of thing get their questions voted up, and they get reput...
Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
... some code that marked a member variable of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method:
...