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Why do Java webapps use .do extension? Where did it come from?
...mapping, on the other hand,
matches request URIs to the action
servlet based on the fact that the URI
ends with a period followed by a
defined set of characters. For
example, the JSP processing servlet is
mapped to the *.jsp pattern so that
it is called to process every JSP page
that...
What is the maximum possible length of a query string?
...m length, practical limits are imposed by web browser and server software. Based on research which is unfortunately no longer available on its original site (it leads to a shady seeming loan site) but which can still be found at Internet Archive Of Boutell.com:
Microsoft Internet Explorer (Browser...
What is a “surrogate pair” in Java?
...te pair), and a grapheme could be one or more of those code points (i.e. a base character code plus one or more combining character codes, each of which could be one or two 16-bit chunks or "chars" long). So a single grapheme could be three combining characters each two "chars" long, totaling 6 "ch...
catch all unhandled exceptions in ASP.NET Web Api
...lementing the IExceptionHandler interface (or inherit the ExceptionHandler base class). It will be the last to be called in the execution chain, after all registered IExceptionLogger:
The IExceptionHandler handles all unhandled exceptions from all
controllers. This is the last in the list. If ...
How to create a custom string representation for a class object?
...f you have one class that you want to have a custom static repr, the class-based approach above works great. But if you have several, you'd have to generate a metaclass similar to MC for each, and that can get tiresome. In that case, taking your metaprogramming one step further and creating a metacl...
Why use make over a shell script?
...les specified in the makefile, but it's less obvious that it's a knowledge based system since the (leaf) rules are shell commands to be executed rather than facts. And the term "expert system" is used to refer to a system that has successfully captured the expertise of a world class expert, which is...
How does this milw0rm heap spraying exploit work?
...
In this case it was not a heap corruption, heap-based buffer overrun or stack-based buffer overrun: blogs.msdn.com/sdl/archive/2008/12/18/ms08-078-and-the-sdl.aspx
– Grant Wagner
Dec 19 '08 at 16:19
...
Chrome extension: accessing localStorage in content script
...trange. I'm setting few options in options page and creating context menus based on them in background page. The thing is, if I set a variable in localStorage from options page, it doesnt get reflected to the background page immediately(i.e. No new contextmenu), unless I disable and re-enable the ex...
Python constructors and __init__
...e, that namespace is then passed to the metaclass (among with the name and bases). Function definitions then are just creating a function with the specified body and assigning it to it's name. The last assignment to __init__ will be what ends up in the class.
– skyking
...
What is the reason for performing a double fork when creating a daemon?
... it to acquire one by opening a terminal in the future (System V-
based systems). This second fork guarantees that the child is no
longer a session leader, preventing the daemon from ever acquiring
a controlling terminal.
So it is to ensure that the daemon is re-parented onto...