大约有 42,000 项符合查询结果(耗时:0.0607秒) [XML]

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In Bash, how to add “Are you sure [Y/n]” to any command or alias?

In this particular case, I'd like to add a confirm in Bash for 17 Answers 17 ...
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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign

I make an outer join and executed successfully in the informix database but I get the following exception in my code: 24 ...
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Regex lookahead, lookbehind and atomic groups

...hese things in my regex body but I haven't got a clue what I can use them for. Does somebody have examples so I can try to understand how they work? ...
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Convert nullable bool? to bool

...be false, you can do this: bool newBool = x.HasValue ? x.Value : false; Or: bool newBool = x.HasValue && x.Value; Or: bool newBool = x ?? false; share | improve this answer ...
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Java Security: Illegal key size or default parameters?

...E) Unlimited Strength Jurisdiction Policy Files 8 Download (only required for versions before Java 8 u162) Extract the jar files from the zip and save them in ${java.home}/jre/lib/security/. share | ...
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Delete specific line number(s) from a text file using sed?

I want to delete one or more specific line numbers from a file. How would I do this using sed? 6 Answers ...
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Where is my .vimrc file?

... @Nateshbhat: should I keep using /etc/vim/vimrc or copy that to ~/.vimrc? Or can I have both? – Mohammad Faisal Jul 23 '19 at 17:26 ...
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Learning Regular Expressions [closed]

...ain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them? 1 Answer ...
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How to avoid using Select in Excel VBA

I've heard much about the understandable abhorrence of using .Select in Excel VBA, but am unsure of how to avoid using it. I am finding that my code would be more re-usable if I were able to use variables instead of Select functions. However, I am not sure how to refer to things (like the Activ...
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What is Type-safe?

...ans that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable. Some simple examples: // Fails, Trying to put an integer in a string String one = 1; // Also fails. int foo = "bar"; This also applies to method arguments, since you a...