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What is “overhead”?
...t in Computer Science and I am hearing the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly?
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...
When is assembly faster than C?
...evel language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases where assembler can actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly.
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When should you branch?
...ng projects that once had a common code base. This is very useful to experiment with your code, without affecting the main trunk.
In general, you would see two branch types:
Feature Branch: If a particular feature is disruptive enough that you don't want the entire development team to be affected...
How does HTTP file upload work?
...------WebKitFormBoundaryePkpFF7tjBAqx29L
Content-Disposition: form-data; name="MAX_FILE_SIZE"
100000
------WebKitFormBoundaryePkpFF7tjBAqx29L
Content-Disposition: form-data; name="uploadedfile"; filename="hello.o"
Content-Type: application/x-object
... contents of file goes here ...
------WebKitFo...
Good or bad practice? Initializing objects in getter
...
What you have here is a - naive - implementation of "lazy initialization".
Short answer:
Using lazy initialization unconditionally is not a good idea. It has its places but one has to take into consideration the impacts this solution has.
Background and explana...
How to encrypt String in Java
...d is to encrypt string which will show up in 2D barcode(PDF-417) so when someone get an idea to scan it will get nothing readable.
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What exactly does Perl's “bless” do?
I understand one uses the "bless" keyword in Perl inside a class's "new" method:
8 Answers
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How is the fork/join framework better than a thread pool?
What are the benefits of using the new fork/join framework over just simply splitting the big task into N subtasks in the beginning, sending them to a cached thread pool (from Executors ) and waiting for each task to complete? I fail to see how using the fork/join abstraction simplifies the prob...
ServiceStack vs ASP.Net Web API [closed]
...nsight into ServiceStack's advantages and the many natural benefits of its message-based design.
ServiceStack has been around since 2008 as an OSS-run project from its inception with a single goal of promoting the correct design and implementation of friction-free remote services.
Simple and Ele...