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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...has an entry discussing why casting the return from malloc is never needed and potentially bad.
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Map implementation with duplicate keys
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You are searching for a multimap, and indeed both commons-collections and Guava have several implementations for that. Multimaps allow for multiple keys by maintaining a collection of values per key, i.e. you can put a single object into the map, but you retr...
getting the last item in a javascript object
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No. Order is not guaranteed in JSON and most other key-value data structures, so therefore the last item could sometimes be carrot and at other times be banana and so on. If you need to rely on ordering, your best bet is to go with arrays. The power of key-val...
Python extending with - using super() Python 3 vs Python 2
... super(__class__) gives NameError: global name '__class__' is not defined, and super(self.__class__) is erroneous as well. You must provide an instance as a second argument, which would suggest you need to do super(self.__class__, self), but that is wrong. If Class2 inherits from Class1 and Class1 c...
Difference between private, public, and protected inheritance
...g "next:".
There are three accessors that I'm aware of: public, protected and private.
Let:
class Base {
public:
int publicMember;
protected:
int protectedMember;
private:
int privateMember;
};
Everything that is aware of Base is also aware that Base contai...
What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?
...rtaain cases you don't want it to be a part of the visual experience then handle it at the cosmetic layer. Bear in mind that some agents attempt to parse CSS and if they determine that something wouldn't be SEEN then they don't output it at all. I think this is aberrant behavior but it can help to k...
Why does Java switch on contiguous ints appear to run faster with added cases?
... (bytecode instruction tableswitch).
However, once the JIT starts its job and compiles the bytecode into assembly, the tableswitch instruction does not always result in an array of pointers: sometimes the switch table is transformed into what looks like a lookupswitch (similar to an if/else if stru...
difference between fork and branch on github
... the main repo at the time you made the fork.
Each branch within the fork and/or in the main repo can correspond to several kinds of things, depending on how you want to work. Each branch could refer to a version of the project but can also correspond to different channels of development, like hotf...
Angular JS break ForEach
I have an angular foreach loop and i want to break from loop if i match a value. The following code does not work.
21 Answe...
Is It Possible to Sandbox JavaScript Running In the Browser?
I'm wondering if it's possible to sandbox JavaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page.
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