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location.host vs location.hostname and cross-browser compatibility?
Which one of these is the most effective vs checking if the user agent is accessing via the correct domain.
6 Answers
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C++ convert hex string to signed integer
...tand the "0x" notation. So both the boost::lexical_cast and my hand rolled one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.
Boost has some stuff to do this as well, which has some nice error checking capabilities as well....
Javascript shorthand ternary operator
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For anyone curious, this works because JS's || operator doesn't return true or false, it returns the first 'truthy' value. Say you have val0 and val1 as undefined, and val2 is 2, val3 is 3. val0 || val1 || val2 || val3 will return...
What is the difference between an int and an Integer in Java and C#?
...ng. It's not quite right for Java, and not even close to right for C#. Someone who reads this will know less about the topic than they did before.
– Thom Smith
Sep 17 '12 at 14:03
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Pull to refresh UITableView without UITableViewController
...ler, with some other stuff above it. I assume this is possible, but has anyone seen an implementation of it?
6 Answers
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How would you implement an LRU cache in Java?
... environment, which datastructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap , but I'm curious if any of the new concurrent collections would be better candidates.
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Qt: *.pro vs *.pri
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There is one main difference between their targetted reuse:
.pro
This is usually called Project File.
.pri
This is usually called Project Include File.
As you can see in their names, the main difference is that .pri files are meant to...
JavaScript, Node.js: is Array.forEach asynchronous?
... would be probably a more appropriate solution here (in fact just seen someone posted that as an answer!).
– James
Jul 4 '14 at 13:27
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GitHub: searching through older versions of files
...space between -S and the search term)
(also note: to search for more than one word, surround in '):
git log -S'get info' -p
So, at a minimum that should find the commit where the function was first introduced and the one that removed it. I added the -p so you can also see the patches - if lots ...
What happens to a declared, uninitialized variable in C? Does it have a value?
...r as I can tell. I'm less as to why the compiler might crash in the second one though :)
– user172783
Oct 20 '09 at 21:55
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