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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
... sure that the read was successful.
// if it wasn't, the returned stream from operator>> would be converted to false
// and the loop wouldn't even be entered
// do stuff with correctly initialized data (hopefully)
}
And on your second question: Because
if(scanf("...",...)!=EOF)
is t...
How to split a string in shell and get the last field
...ng operators:
$ foo=1:2:3:4:5
$ echo ${foo##*:}
5
This trims everything from the front until a ':', greedily.
${foo <-- from variable foo
## <-- greedy front trim
* <-- matches anything
: <-- until the last ':'
}
...
Is there a software-engineering methodology for functional programming? [closed]
...ch and have a good idea about how to design an object-oriented application from scratch.
13 Answers
...
Get all Attributes from a HTML element with Javascript/jQuery
...
You can get the DOM object from a jQuery object via the get method...e.g.: var obj = $('#example').get(0);
– Matt Huggins
Sep 24 '10 at 22:25
...
How do I prevent Eclipse from hanging on startup?
...oned on the other answer did not. I didn't seem to lose anything critical from my workspace by deleting this file.
– User1
Feb 16 '11 at 15:48
...
How do you create nested dict in Python?
...t;> d
{'dict1': {'innerkey': 'value'}}
You can also use a defaultdict from the collections package to facilitate creating nested dictionaries.
>>> import collections
>>> d = collections.defaultdict(dict)
>>> d['dict1']['innerkey'] = 'value'
>>> d # currentl...
Get host domain from URL?
how to get host domain from a string URL?
9 Answers
9
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How do Third-Party “tracking cookies” work?
...iframe src="http://websiteB.com/ad.html></iframe> to serve the ad from website B. Then when your browser goes to fetch http://websiteB.com/ad.html, the response will come back with a Set-Cookie header that sets a cookie with some unique random string. If website C also includes an ad from w...
What is std::move(), and when should it be used?
...is a cast that produces an rvalue-reference to an object, to enable moving from it.
It's a new C++ way to avoid copies. For example, using a move constructor, a std::vector could just copy its internal pointer to data to the new object, leaving the moved object in an moved from state, therefore no...
How to view files in binary from bash?
...ike to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
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