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How do you delete all text above a certain line
...top of the file.
Also
dG
will delete all lines at or below the current one
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Git fast forward VS no fast forward merge
...you still want sometimes to have each commit in the mainline correspond to one feature. So you treat a feature branch with a bunch of commits as a single unit, and merge them as a single unit. It is clear from your history when you do feature branch merging with --no-ff.
If you do not care about su...
How can I escape a double quote inside double quotes?
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Use a backslash:
echo "\"" # Prints one " character.
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
...ment, when they become syntactic via use of eval, can have their effect undone by any literal quotes within the data; thus, they don't provide effective security.
– Charles Duffy
Sep 18 '15 at 19:17
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What is the purpose of Rank2Types?
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To add some words connecting my answer to this one: consider the Haskell function f' g x y = g x + g y. Its inferred rank-1 type is forall a r. Num r => (a -> r) -> a -> a -> r. Since forall a is outside the function arrows, the caller must first pick a typ...
Creating a copy of a database in PostgreSQL [closed]
... the correct way to copy entire database (its structure and data) to a new one in pgAdmin?
20 Answers
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How do I concatenate two lists in Python?
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You can use the + operator to combine them:
listone = [1,2,3]
listtwo = [4,5,6]
joinedlist = listone + listtwo
Output:
>>> joinedlist
[1,2,3,4,5,6]
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Symbolicating iPhone App Crash Reports
I'm looking to try and symbolicate my iPhone app's crash reports.
25 Answers
25
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How to avoid “too many parameters” problem in API design?
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One style embraced in the frameworks is usually like grouping related parameters into related classes (but yet again problematic with mutability):
var request = new HttpWebRequest(a, b);
var service = new RestService(request...
What's is the difference between include and extend in use case diagram?
...re duplicated in multiple use cases. The included use case cannot stand alone and the original use case is not complete without the included one. This should be used sparingly and only in cases where the duplication is significant and exists by design (rather than by coincidence).
For example, th...