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Why do C++ libraries and frameworks never use smart pointers?
...ibrary at compile time, so you rely on the stability of their interfaces alone, not of their implementations.
But because of the lack of standard ABI, you generally cannot pass these objects safely across module boundaries. A GCC shared_ptr is probably different from an MSVC shared_ptr, which too c...
Removing an element from an Array (Java) [duplicate]
...e you'd code it differently, but I've fixed an awful lot of code where someone made assumptions like that.
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Get the current first responder without using a private API
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In one of my applications I often want the first responder to resign if the user taps on the background. For this purpose I wrote a category on UIView, which I call on the UIWindow.
The following is based on that and should ret...
Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...it contains a public certificate. You can rename a certificate file to use one extension in place of the other in any system or configuration file that I've seen. And on non-Windows platforms (and even on Windows), people aren't particularly careful about which extension they use, and treat them bot...
GitHub relative link in Markdown file
... what I'm trying to do in the first place. If i was linking from a .md in one subdir to another, i think it would handle relative link just fine. Problem occurs when linking from .md in root of repo.
– rynop
Oct 5 '11 at 18:24
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What is the difference between RegExp’s exec() function and String’s match() function?
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I have something to add to this answer, one should not place the regular expression literal within the while condition, like this while(match = /[^\/]+/g.exec('/a/b/c/d') or it will create a infinite loop!. As it's clearly stated in the MDN developer.mozilla.org/en...
How to get key names from JSON using jq
... BASH you can do:
arr=()
while IFS='' read -r line; do
arr+=("$line")
done < <(jq 'keys[]' ms.json)
Then print it:
printf "%s\n" ${arr[@]}
"Archiver-Version"
"Build-Id"
"Build-Jdk"
"Build-Number"
"Build-Tag"
"Built-By"
"Created-By"
"Implementation-Title"
"Implementation-Vendor-Id"
"Imp...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
... and classes when it comes to object-oriented design and analysis. This is one of them; unfortunately, my OOP professor in college never actually gave an answer to it, and so I've been wondering.
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What is reflection and why is it useful?
...n type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called 'doS...
Quicksort vs heapsort
... write 100% of elements in another array and write it back in the original one, even if data is already ordered.
With Quicksort you don't swap what is already ordered. If your data is completely ordered, you swap almost nothing! Although there is a lot of fussing about worst case, a little improvem...