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How to output only captured groups with sed?
...p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
include one or more digits
exclude one or more non-digits
include one or more digits
exclude zero or more non-digits
print the substitution (p)
In general, in sed you capture groups using parentheses and out...
What is the difference between YAML and JSON?
...dle relational information as one might find in a MySQL database.
YAML is more robust about embedding other serialization formats such as JSON or XML within a YAML file.
In practice neither of these last two points will likely matter for things that you or I do, but in the long term, I think YAM...
Running Bash commands in Python
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DateTime2 vs DateTime in SQL Server
... types for new
work. These types align with the SQL
Standard. They are more portable.
time, datetime2 and datetimeoffset
provide more seconds precision.
datetimeoffset provides time zone
support for globally deployed
applications.
datetime2 has larger date range, a larger default fra...
The term “Context” in programming? [closed]
... like to withdraw from. When you answer, "My savings account", that's even more context.
The more context you give, the more knowledge the other party has to help deal with your request. Sometimes context is optional (like typing more and more words into your Google search to get better results) a...
Swipe to Delete and the “More” button (like in Mail app on iOS 7)
How to create a "more" button when user swipe a cell in table view (like mail app in ios 7)
20 Answers
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Looping through the content of a file in Bash
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Will strlen be calculated multiple times if used in a loop condition?
..., then you'll need to either call strlen() each time, or handle it through more complicated logic.
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What is TypeScript and why would I use it in place of JavaScript? [closed]
... later, this is an OK overview, but look
at Lodewijk's answer below for more depth
1000ft view...
TypeScript is a superset of JavaScript which primarily provides optional static typing, classes and interfaces. One of the big benefits is to enable IDEs to provide a richer environment for spotti...
Are Java static calls more or less expensive than non-static calls?
...es), or some remembered trivia about C++ (in which a dynamic call uses one more memory access than a static call).
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