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Why exactly is eval evil?
...estion is not specific to LISP. Here is an answer on the same question for PHP, and it applies to LISP, Ruby, and other other language that has an eval:
The main problems with eval() are:
Potential unsafe input. Passing an untrusted parameter is a way to
fail. It is often not a trivial...
What is the meaning of erb?
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lame, they should remove the html. u don't see html.php
– luckyguy73
Oct 22 '16 at 23:26
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iOS - How to set a UISwitch programmatically
..."on" that should be set.
Are you talking about an iOS app or a mobile web site?
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Android: how to handle button click
...ur question fully because it is a pretty long question. And if I find some sites I will expand my answer, right now I'm just giving some experience.
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Does Python have “private” variables in classes?
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I wonder if PHP has something similar with its goofy private variables - since private variables don't really make sense in interpreted language - I mean what optimization can it do knowing x variable is private, if it is not compiled?
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
... Aside from the aforementioned debian (binary) package, the developer's site is friedhoff.org/posixfilecaps.html associated papers/presentations/etc...
– RandomNickName42
Jan 16 '10 at 15:34
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How to get the contents of a webpage in a shell variable?
... This is a really neat trick. I invoke a shell script via a php script on a proxy server. When asked, the proxy server turns on expensive servers which shut themselves off after 2 hours. I need the output from wget for standard output to feed back to the Jenkins console record.
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How to check whether an object has certain method/property?
...much any modern dynamic scripting language (Python, Javascript, VB script, PHP, Lua... I could go on and on). It's not a bug, it's a feature.
– Tim Keating
Dec 3 '11 at 14:36
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How to append one file to another in Linux from the shell?
...edirection precedence is covered at length can be found at Ian Allen's web site in the form of Linux courseware. His I/O Redirection Notes page has much to say on the topic, including the observation that redirection works even without a command. Passing this to the shell:
$ >out
...creates ...
MySql Table Insert if not exist otherwise update
...safe. (Bug #11765650, Bug #58637) Bug 58637 description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
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