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Favorite (Clever) Defensive Programming Best Practices [closed]
...e (clever) techniques for defensive coding, what would they be? Although my current languages are Java and Objective-C (with a background in C++), feel free to answer in any language. Emphasis here would be on clever defensive techniques other than those that 70%+ of us here already know about....
Read only the first line of a file?
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Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing newline. You may wish to use f.readl...
When is JavaScript's eval() not evil?
...t calling eval() is not a big performance hit in the general case (but see my specific remarks below).
Code injection - eval() potentially runs a string of code under elevated privileges. For example, a program running as administrator/root would never want to eval() user input, because that input c...
How do I allow HTTPS for Apache on localhost?
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I've just attempted this - I needed to test some development code on my localhost Apache on Windows. This was WAAAY more difficult than it should be. But here are the steps that managed to work after much hairpulling...
I found that my Apache install comes with openssl.exe which is helpful....
Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
12 Answers
12
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“#include” a text file in a C program as a char[]
...anks, I chose the method proposed here to embed long fragments of sql into my C++ 11 code. This allows me to keep the SQL cleantly separated into its own files, and edit them with appropriate syntax checking, highlighting etc.
– YitzikC
Jan 29 '17 at 21:58
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How to check for a JSON response using RSpec?
I have the following code in my controller:
14 Answers
14
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Git push failed, “Non-fast forward updates were rejected”
I've edited my GIT repositories via Git Online. After I tried to push my local code changes, I got an error:
12 Answers
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Will #if RELEASE work like #if DEBUG does in C#?
... you can use the NOT operator like that. Didn't think of that when I wrote my answer.
– Lasse V. Karlsen
Feb 3 '09 at 16:03
4
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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Moving my configuration options from spec_helper.rb to .rspec resolved this issue for me.
– Edward Anderson
Aug 31 '14 at 1:17
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