大约有 43,000 项符合查询结果（耗时：0.0579秒） [XML]
Why is exception.printStackTrace() considered bad practice?
There is a lot of material out there which suggests that printing the stack trace of an exception is bad practice.
9 An...
Should enums in C# have their own file? [closed]
I have a class which uses an enumeration, the enum is currently in its own file which seems wasteful.
15 Answers
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How to verify if a file exists in a batch file?
I have to create a .BAT file that does this:
3 Answers
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Python's json module, converts int dictionary keys to strings
I have found that when the following is run, python's json module (included since 2.6) converts int dictionary keys to strings.
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How do I iterate through the files in a directory in Java?
I need to get a list of all the files in a directory, including files in all the sub-directories. What is the standard way to accomplish directory iteration with Java?
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Call Go functions from C
I am trying to create a static object written in Go to interface with a C program (say, a kernel module or something).
4 An...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
Unit testing void methods?
What is the best way to unit test a method that doesn't return anything? Specifically in c#.
11 Answers
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
I want to create a default value for an attribute by defining it in ActiveRecord. By default everytime the record is created, I want to have a default value for attribute :status . I tried to do this:
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