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Delete specific line number(s) from a text file using sed?
I want to delete one or more specific line numbers from a file. How would I do this using sed?
6 Answers
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Cast an instance of a class to a @protocol in Objective-C
...c is a UIViewController object that conforms to MyProtocol", whereas using id <MyProtocol> translates to "vc is an object of an unknown class that conforms to MyProtocol".
This way the compiler will give you proper type checking on vc - the compiler will only give you a warning if any method ...
How do you append to a file in Python?
How do you append to the file instead of overwriting it? Is there a special function that appends to the file?
13 Answers
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Properties file in python (similar to Java Properties)
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For .ini files there is the ConfigParser module that provides a format compatible with .ini files.
Anyway there's nothing available for parsing complete .properties files, when I have to do that I simply use jython (I'm talking about...
Idiomatic way to wait for multiple callbacks in Node.js
Suppose you need to do some operations that depend on some temp file. Since
we're talking about Node here, those operations are obviously asynchronous.
What is the idiomatic way to wait for all operations to finish in order to
know when the temp file can be deleted?
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swift case falling through
... break statements, but cases are a lot more flexible.
Addendum: As Analog File points out, there actually are break statements in Swift. They're still available for use in loops, though unnecessary in switch statements, unless you need to fill an otherwise empty case, as empty cases are not allowe...
How to use Java property files?
...f key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.
17 An...
What is the syntax for an inner join in LINQ to SQL?
... DealerContact
join dealer in Dealer on contact.DealerId equals dealer.ID
select contact;
Since you are looking for the contacts, not the dealers.
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How to read a file line-by-line into a list?
How do I read every line of a file in Python and store each line as an element in a list?
28 Answers
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How does one make a Zip bomb?
...pedia page on the topic. The article mentions an example of a 45.1 kb zip file that decompresses to 1.3 exabytes.
14 Answe...