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How do you maintain development code and production code? [closed]
...flow. The history of doing this vs Trunk-Based-Development is noted in the comments and discussions of this article by Adam Dymitruk.
(source: Gitworkflow: A Task-Oriented Primer)
Note: in that distributed workflow, you can commit whenever you want and push to a personal branch some WIP (Work ...
How to call an external command?
How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
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How does password salt help against a rainbow table attack?
...that contains hundreds of usernames and passwords. Without a salt, I could compute "md5(attempt[0])", and then scan through the file to see if that hash shows up anywhere. If salts are present, then I have to compute "md5(salt[a] . attempt[0])", compare against entry A, then "md5(salt[b] . attempt[0...
What are enums and why are they useful?
...n").
If you use enums instead of integers (or String codes), you increase compile-time checking and avoid errors from passing in invalid constants, and you document which values are legal to use.
BTW, overuse of enums might mean that your methods do too much (it's often better to have several sepa...
Find location of a removable SD card
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edited Jun 20 at 9:12
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answered Apr 17 '11 at 17:30
CommonsWareCommonsW...
How do I trim leading/trailing whitespace in a standard way?
...hitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution.
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How to save/restore serializable object to/from file?
I have a list of objects and I need to save that somewhere in my computer. I have read some forums and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following:
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How to make git mark a deleted and a new file as a file move?
...d to follow Hank Gay’s advice and do the move and modify in two separate commits.
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Concurrent HashSet in .NET Framework?
...ortunately. However, there are some workarounds.
ConcurrentDictionary (recommended)
This first one is to use the class ConcurrentDictionary<TKey, TValue> in the namespace System.Collections.Concurrent. In the case, the value is pointless, so we can use a simple byte (1 byte in memory).
pri...
Catch multiple exceptions at once?
...atch those exceptions and do some log messaging, but only those you expect coming from your file IO methods. Then you often have to deal with a larger number (about 5 or more) different types of exceptions. In that situation, this approach can save you some lines.
– Xilconic
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