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Why exactly is eval evil?
...roblems and generates faster code, sometimes MUCH MUCH MUCH (that's factor 1000 ;-) )faster code
code that's constructed and needs to be evaluated can't be compiled as early as possible.
eval of arbitrary user input opens up security problems
some use of evaluation with EVAL can happen at the wro...
XPath - Selecting elements that equal a value
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answered Jul 8 '10 at 19:53
Dimitre NovatchevDimitre Novatchev
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How to turn on WCF tracing?
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answered Nov 24 '10 at 21:11
Rohan WestRohan West
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Is 161803398 A 'Special' Number? Inside of Math.Random()
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No, but it's based on Phi (the "golden ratio").
161803398 = 1.61803398 * 10^8 ≈ φ * 10^8
More about the golden ratio here.
And a really good read for the casual mathematician here.
And I found a research paper on random number generators that agrees with this assertion. (See page 53.)
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
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answered Feb 3 '10 at 16:20
Eric LippertEric Lippert
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java: run a function after a specific number of seconds
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Write bytes to file
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answered Jun 18 '11 at 16:10
user195488user195488
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How to find which rspec test is taking so long
...profile flag or add --profile to your .rspec file. This will track the top 10 slowest examples.
For RSpec 1, you can use --format o with spec command. It shows a text-based progress bar with profiling of 10 slowest examples. For more details see this.
rspec --profile -- path/to/file/spec.rb
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Ruby sleep or delay less than a second?
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answered Mar 30 '10 at 5:31
Georg SchöllyGeorg Schölly
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GraphViz - How to connect subgraphs?
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answered Jan 6 '10 at 10:03
High Performance MarkHigh Performance Mark
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