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Iterating through directories with Python

... I get a file I have to open it and change the content and replace it with my own lines. 3 Answers ...
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How can I make my flexbox layout take 100% vertical space?

How can I tell a flexbox layout row consume the remaining vertical space in a browser window? 3 Answers ...
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Why can't I have “public static const string S = ”stuff"; in my Class?

When trying to compile my class I get an error: 6 Answers 6 ...
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How to read the mode field of git-ls-tree's output

I know the last 3 oct digits are file mode, but what are the first 3 digits for? I can't find it out in git user's manual. ...
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What is database pooling?

... Database connection pooling is a method used to keep database connections open so they can be reused by others. Typically, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, a...
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How to use XPath contains() here?

I'm trying to learn XPath. I looked at the other contains() examples around here, but nothing that uses an AND operator. I can't get this to work: ...
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Instance variable: self vs @

Here is some code: 6 Answers 6 ...
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How to remove a field from params[:something]

My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model. ...
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How to pass argument to Makefile from command line?

How to pass argument to Makefile from command line? 4 Answers 4 ...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table. 4 Answe...