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Find and extract a number from a string
I have a requirement to find and extract a number contained within a string.
29 Answers
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How To Create a Flexible Plug-In Architecture?
A repeating theme in my development work has been the use of or creation of an in-house plug-in architecture. I've seen it approached many ways - configuration files (XML, .conf, and so on), inheritance frameworks, database information, libraries, and others. In my experience:
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Convert NaN to 0 in javascript
Is there a way to convert NaN values to 0 without an if statement:
11 Answers
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What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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Is there a difference between foreach and map?
Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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What is the difference between class and instance attributes?
Is there any meaningful distinction between:
5 Answers
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Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
A friend of mine downloaded some malware from Facebook, and I'm curious to see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger?
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What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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Use a normal link to submit a form
I want to submit a form. But I am not going the basic way of using a input button with submit type but a a link.
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How do you append to a file in Python?
How do you append to the file instead of overwriting it? Is there a special function that appends to the file?
13 Answers
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