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Find and Replace Inside a Text File from a Bash Command
...t an invalid command code C error... For in-place replacements, BSD sed requires a file extension after the -i flag because it saves a backup file with the given extension. For example: sed -i '.bak' 's/find/replace/' /file.txt You can skip the backup by using an empty string like so: sed -i '' '...
How to select from subquery using Laravel Query Builder?
I'd like to get value by the following SQL using Eloquent ORM.
7 Answers
7
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What is the difference between static_cast and C style casting?
...any reason to prefer static_cast<> over C style casting? Are they equivalent? Is their any sort of speed difference?
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Insert a line at specific line number with sed or awk
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An ed answer
ed file << END
8i
Project_Name=sowstest
.
w
q
END
. on its own line ends input mode; w writes; q quits. GNU ed has a wq command to save and quit, but old ed's don't.
Further reading: https://gnu.org/software/ed/manual/ed_manual.html
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if else in a list comprehension [duplicate]
... I found that if putting the condition in the beginning, then it requires both if and else (it must yield an element) - but putting it at the end, requires the if only (you can't put an else there).
– Jeppe
Dec 9 '18 at 13:07
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Is there a Python function to determine which quarter of the year a date is in?
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Given an instance x of datetime.date, (x.month-1)//3 will give you the quarter (0 for first quarter, 1 for second quarter, etc -- add 1 if you need to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doi...
Is there a way to call a stored procedure with Dapper?
... new project and but I have one concern about that some times my project requires to have Stored Procedure and I have search a lot on web but not found anything with stored procedure. So is there any way to have Dapper work with a stored procedure?
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How to get the first non-null value in Java?
Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables?
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Moving decimal places over in a double
So I have a double set to equal 1234, I want to move a decimal place over to make it 12.34
9 Answers
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What's the @ in front of a string in C#?
This is a .NET question for C# (or possibly VB.net), but I am trying to figure out what's the difference between the following declarations:
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