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How unique is UUID?
How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...
How to sort an array of objects by multiple fields?
From this original question , how would I apply a sort on multiple fields?
30 Answers
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How to change a module variable from another module?
Suppose I have a package named bar , and it contains bar.py :
3 Answers
3
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iPad/iPhone hover problem causes the user to double click a link
I have some websites I built times ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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What is a predicate in c#? [duplicate]
I am very new to using predicates and just learned how to write:
4 Answers
4
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Can someone explain in simple terms to me what a directed acyclic graph is?
Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
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Java's final vs. C++'s const
The Java for C++ programmers tutorial says that (highlight is my own):
11 Answers
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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How to split a long regular expression into multiple lines in JavaScript?
I have a very long regular expression, which I wish to split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
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What is the proper REST response code for a valid request but an empty data?
For example you run a GET request for users/9 but there is no user with id #9.
Which is the best response code?
23 Answer...