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How can I add a column that doesn't allow nulls in a Postgresql database?
I'm adding a new, "NOT NULL" column to my Postgresql database using the following query (sanitized for the Internet):
8 Ans...
How do I get the key at a specific index from a Dictionary in Swift?
I have a Dictionary in Swift and I would like to get a key at a specific index.
10 Answers
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Ways to eliminate switch in code [closed]
What are the ways to eliminate the use of switch in code?
23 Answers
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How are Anonymous inner classes used in Java?
What is the use of anonymous classes in Java? Can we say that usage of anonymous class is one of the advantages of Java?
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Static constant string (class member)
I'd like to have a private static constant for a class (in this case a shape-factory).
11 Answers
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How to insert a text at the beginning of a file?
So far I've been able to find how to add a line at the beginning of a file but that's not exactly what I want. I'll show it on a example
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Batch file: Find if substring is in string (not in a file)
In a batch file, I have a string abcdefg . I want to check if bcd is in the string.
10 Answers
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
What do you call this arrow looking -> operator found in PHP?
16 Answers
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Why is “except: pass” a bad programming practice?
I often see comments on other Stack Overflow questions about how the use of except: pass is discouraged. Why is this bad? Sometimes I just don't care what the errors are and I want to just continue with the code.
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How do I capture the output into a variable from an external process in PowerShell?
I'd like to run an external process and capture it's command output to a variable in PowerShell. I'm currently using this:
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