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Get first and last day of month using threeten, LocalDate

I have a LocalDate which needs to get the first and last day of the month. How do I do that? 10 Answers ...
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how to check the dtype of a column in python pandas

I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb: 6 Answer...
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What's the bad magic number error?

What's the "Bad magic number" ImportError in python, and how do I fix it? 15 Answers 1...
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What does the “map” method do in Ruby?

... The map method takes an enumerable object and a block, and runs the block for each element, outputting each returned value from the block (the original object is unchanged unless you use map!): [1, 2, 3].map { |n| n * n } #=> [1, 4, 9] Array and Range are enume...
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How does Java handle integer underflows and overflows and how would you check for it?

How does Java handle integer underflows and overflows? 12 Answers 12 ...
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How to concatenate stdin and a string?

... pipe to accept stdout from echo "input" as stdin to another process / command: echo "input" | awk '{print $1"string"}' Output: inputstring What task are you exactly trying to accomplish? More context can get you more direction on a better solution. Update - responding to comment: @NoamRoss ...
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Why do access tokens expire?

I am just getting started working with Google API and OAuth2. When the client authorizes my app I am given a "refresh token" and a short lived "access token". Now every time the access token expires, I can POST my refresh token to Google and they will give me a new access token. ...
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pandas: multiple conditions while indexing data frame - unexpected behavior

... As you can see, the AND operator drops every row in which at least one value equals -1. On the other hand, the OR operator requires both values to be equal to -1 to drop them. That's right. Remember that you're writing the condition in te...
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What is the use of Enumerable.Zip extension method in Linq?

...ative. B) Write a method to yield return each element of the shorter list, and then continue yield returning default indefinitely thereafter. (Option B requires you to know in advance which list is shorter.) – jpaugh Jul 7 '17 at 21:41 ...
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How to replace captured groups only?

I have HTML code before and after the string: 5 Answers 5 ...