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Why do people say that Ruby is slow? [closed]
...u much good. You'll
probably have to roll your own. But
sure, I'd like free CPU cycles too. I
just happen to care much more about
free developer cycles and am willing
to trade the former for the latter.
i.e. throwing more hardware or machines at the problem is cheaper than hiring more de...
Mutable vs immutable objects
...ost always the reason to use an immutable object is to promote side effect free programming and simple reasoning about the code (especially in a highly concurrent/parallel environment). You don't have to worry about the underlying data being changed by another entity if the object is immutable.
...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
... JVM [Jython] and .NET [IronPython], and those implementations multithread freely). CPython (the popular implementation) has always used a GIL for ease of coding (esp. the coding of the garbage collection mechanisms) and of integration of non-thread-safe C-coded libraries (there used to be a ton of ...
Node.js + Nginx - What now?
...
Open source community version is free but they have version with other features which are not free. nginx.com/products/feature-matrix
– 0x8BADF00D
Sep 7 '16 at 19:34
...
How to copy an object in Objective-C
... protocol NSCopying and implement -(id)copyWithZone:(NSZone *)zone. You're free to do whatever you want; though the idea is you make a real copy of yourself and return it. You call copyWithZone on all your fields, to make a deep copy. A simple example is
@interface YourClass : NSObject <NSCopyin...
How to exclude a directory in find . command
... answered Apr 1 '13 at 1:26
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What is meant by Resource Acquisition is Initialization (RAII)?
... destructor didn't execute here? Is my resource leaked or will it be never freed or released?
– Destructor
Aug 20 '15 at 16:40
8
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Why should we include ttf, eot, woff, svg,… in a font-face
...noyed that this meant anyone could download expensive-to-license fonts for free.
Time passes, SVG 1.1 adds a "fonts" chapter that explains how to model a font purely using SVG markup, and people start to use it. More time passes and it turns out that they are absolutely terrible compared to just a n...
What is the memory consumption of an object in Java?
...ts out that this is not a straightforward question to answer:
A JVM is free to store data any way it pleases internally, big or little endian, with any amount of padding or overhead, though primitives must behave as if they had the official sizes.
For example, the JVM or native compiler might ...
How to declare std::unique_ptr and what is the use of it?
...loc), then you will have to clear that memory on your own (using delete or free respectively).
In the below code,
int* heapInt = new int(5);//initialize int in heap memory
.
.//use heapInt
.
delete heapInt;
Here, you will have to delete heapInt, when it is done using. If it is not deleted, then mem...