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Read file line by line using ifstream in C++
...s(line);
int a, b;
if (!(iss >> a >> b)) { break; } // error
// process pair (a,b)
}
You shouldn't mix (1) and (2), since the token-based parsing doesn't gobble up newlines, so you may end up with spurious empty lines if you use getline() after token-based extraction got ...
In log4j, does checking isDebugEnabled before logging improve performance?
...g statements when the production system is running at log level of INFO or ERROR
– AztecWarrior_25
Mar 10 '18 at 0:51
add a comment
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Split Python Flask app into multiple files
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It's throwing an Import Error
– Abhishek Jebaraj
May 31 '17 at 12:06
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Batch file to delete files older than N days
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Same error as in other answers (including the accepted one). Where did this strange habit of specifying *.* come from? Wildcard *.* does not match all files in Windows. It only matches files with . in their names. The OP never sai...
Tar archiving that takes input from a list of files
...e this: tar -cvf allfiles.tar --exclude='^#' -T mylist.txt. Tar reports an error, but when you check your tar archive, there are no errors, and all files from the list are inside your archive.
– Matt G
Oct 31 '18 at 6:05
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How to use Namespaces in Swift?
...{
self.name = name
}
}
}
Its throwing a compiler error:
'SubPackage' is not a member type of 'PackageOne'
If I move the code from PackageOneSubPackageClass.swift to PackageOneSubPackage.swift it works. Anyone?
Edit 2:
Fiddling around with this still and found out (in Xco...
Assign variable in if condition statement, good practice or not? [closed]
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I wouldn't recommend it. The problem is, it looks like a common error where you try to compare values, but use a single = instead of == or ===. For example, when you see this:
if (value = someFunction()) {
...
}
you don't know if that's what they meant to do, or if they intended to...
passport.js RESTful auth
...ned to the client in JSON format. If username and password do not match an error is sent to the client in the form of a 401 HTTP error code.
Instead of forcing clients to send username and password with every request you can have a "get_access_token" function in your RESTful service that takes the u...
Fix a Git detached head?
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Why does this error occur in the first place? This is one of the things I hate git for - totally random behavior at times. Never had such problems with Mercurial.
– Violet Giraffe
Oct 7 '14 at 20:36
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How to write binary data to stdout in python 3?
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Programs using this can't be tested in IDLE 3: AttributeError: 'PseudoOutputFile' object has no attribute 'buffer'
– Damian Yerrick
May 18 '17 at 18:55
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