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Why exactly is eval evil?
... one should not use EVAL.
The main reason for beginners is: you don't need it.
Example (assuming Common Lisp):
EVALuate an expression with different operators:
(let ((ops '(+ *)))
(dolist (op ops)
(print (eval (list op 1 2 3)))))
That's better written as:
(let ((ops '(+ *)))
(dolist (op ops...
Why can't we have static method in a (non-static) inner class?
...
Because an instance of an inner class is implicitly associated with an instance of its outer class, it cannot define any static methods itself. Since a static nested class cannot refer directly to instance variables or methods defined in its enclosing class, it can use t...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
What are the relative merits / downsides of various Python bundles (EPD / Anaconda) vs. a manual install?
4 Answers
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How is TeamViewer so fast?
Sorry about the length, it's kinda necessary.
6 Answers
6
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How do I debug error ECONNRESET in Node.js?
...omly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
14 Answers
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How to swap two variables in JavaScript
...follow
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edited Jul 19 '19 at 5:13
answered Apr 24 '13 at 20:39
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Why would one omit the close tag?
I keep reading it is poor practice to use the PHP close tag ?> at the end of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far):
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Ruby on Rails Server options [closed]
...epending on the context. You are also confusing the roles of Apache/Nginx with the roles of other components.
Historic note: This article was originally written on November 6, 2010, when the Ruby app server ecosystem was limited. I've updated this article on March 15 2013 with all the latest update...
Threading in a PyQt application: Use Qt threads or Python threads?
I'm writing a GUI application that regularly retrieves data through a web connection. Since this retrieval takes a while, this causes the UI to be unresponsive during the retrieval process (it cannot be split into smaller parts). This is why I'd like to outsource the web connection to a separate wor...
Can't execute jar- file: “no main manifest attribute”
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
...