大约有 20,399 项符合查询结果（耗时：0.0415秒） [XML]
Interpolating a string into a regex
I need to substitute the value of a string into my regular expression in Ruby. Is there an easy way to do this? For example:
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Simple proof that GUID is not unique [closed]
I'd like to prove that a GUID is not unique in a simple test program.
I expected the following code to run for hours, but it's not working. How can I make it work?
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Pretty printing JSON from Jackson 2.2's ObjectMapper
Right now I have an instance of org.fasterxml.jackson.databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. E...
Print PHP Call Stack
I'm looking for a way to print the call stack in PHP.
15 Answers
15
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Explain which gitignore rule is ignoring my file
Is there any way to see why some file is getting ignored by git (i.e. which rule in a .gitignore file is causing the file to be ignored)?
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Base 64 encode and decode example code
Does anyone know how to decode and encode a string in Base64 using the Base64. I am using the following code, but it's not working.
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How to convert R Markdown to PDF?
I've previously asked about the commands for converting R Markdown to HTML .
8 Answers
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
I want to be able to add a range and get updated for the entire bulk.
12 Answers
12
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`static` keyword inside function?
I was looking at the source for Drupal 7, and I found some things I hadn't seen before. I did some initial looking in the php manual, but it didn't explain these examples.
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