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How to flush output of print function?
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On Python 3, print can take an optional flush argument
print("Hello world!", flush=True)
On Python 2 you'll have to do
import sys
sys.stdout.flush()
after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects).
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Why does Java's hashCode() in String use 31 as a multiplier?
Per the Java documentation, the hash code for a String object is computed as:
13 Answers
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...x 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish.
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Is asynchronous jdbc call possible?
...he proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify.
Surely the basic problem is that the JDBC operations block on socket IO. When it does this it blocks the Thread its running on - end of story. Whatever wrapping framework you choos...
RestSharp JSON Parameter Posting
I am trying to make a very basic REST call to my MVC 3 API and the parameters I pass in are not binding to the action method.
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What is Func, how and when is it used
What is Func<> and what is it used for?
7 Answers
7
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Unpacking array into separate variables in JavaScript
This is a simple problem, and I've done it before. I just can't remember how, or what exactly it was called.
7 Answers
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Rank function in MySQL
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One option is to use a ranking variable, such as the following:
SELECT first_name,
age,
gender,
@curRank := @curRank + 1 AS rank
FROM person p, (SELECT @curRank := 0) r
ORDER BY age;
The (SELECT @curRank := 0) part allo...
What are 'get' and 'set' in Swift?
...ft and I'm reading The Swift Programming Language from Apple, I have no Objective C background (only PHP, JS, and other but no Obj C)
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Using Emacs to recursively find and replace in text files not already open
As a follow-up to this question , it's trying to find out how to do something like this which should be easy, that especially stops me from getting more used to using Emacs and instead starting up the editor I'm already familiar with. I use the example here fairly often in editing multiple files.
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