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Why is there no Constant feature in Java?
...005, the "const" topic was vigorously debated:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4211070
While there are a lot of good arguments on both sides, some of the oft-cited (but not necessarily compelling or clear-cut) reasons against const include:
may have confusing semantics that ma...
Is the creation of Java class files deterministic?
...not matter. However, we find it beneficial to have javac's output not vary based on implementation details of system classes .
This pretty clearly illustrates the issue: The compiler is not required to act in a deterministic manner, as long as it matches the spec. The compiler developers, however,...
How do MySQL indexes work?
...ok (that's where the name came from):
Let's say you have a book about databases and you want to find some information about, say, storage. Without an index (assuming no other aid, such as a table of contents) you'd have to go through the pages one by one, until you found the topic (that's a full t...
Nodejs Event Loop
...ion around libev or IOCP depending on the platform, providing users an API based on libev. In the node-v0.9.0 version of libuv libev was removed.
Also one picture which describe the Event Loop in Node.js by @BusyRich
Update 05/09/2017
Per this doc Node.js event loop,
The following diagram ...
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 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...
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...
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...
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...
How do you clear a slice in Go?
...
Based on the title "How do you clear a slice in Go?" this is by far and away the safer answer and should be the accepted one. A perfect answer would be the combination of the originally accepted answer and this one so people ...