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What’s the best way to check if a file exists in C++? (cross platform)
I have read the answers for What's the best way to check if a file exists in C? (cross platform) , but I'm wondering if there is a better way to do this using standard c++ libs? Preferably without trying to open the file at all.
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How can I get the browser's scrollbar sizes?
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From Alexandre Gomes Blog I have not tried it. Let me know if it works for you.
function getScrollBarWidth () {
var inner = document.createElement('p');
inner.style.width = "100%";
inner.style.height = "200px";
var outer = document.createElement('div');
outer.style.p...
jquery save json data object in cookie
How do I save JSON data in a cookie?
6 Answers
6
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C# List of objects, how do I get the sum of a property
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Alex LEAlex LE
17.1k44 gold badges2626 silver badges2828 bronze badges
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How to “inverse match” with regex?
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(?!Andrea).{6}
Assuming your regexp engine supports negative lookaheads..
Edit: ..or maybe you'd prefer to use [A-Za-z]{6} in place of .{6}
Edit (again): Note that lookaheads and lookbehinds are generally not the right way to "inverse" a regular expression match. Regexps aren't really s...
Getting the current page
...'t the correct term). I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed.
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Convert a list to a dictionary in Python
...entries conveniently map to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value
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Changes in import statement python3
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Relative import happens whenever you are importing a package relative to the current script/package.
Consider the following tree for example:
mypkg
├── base.py
└── derived.py
Now, your derived.py requires something from base.py. In Python 2, you could do it like th...
Use of 'use utf8;' gives me 'Wide character in print'
..., map { ord } split //, "鸡\n";'
233:184:161:10
The first three bytes make up your character, the last one is the line-feed.
The call to print sends these four characters to STDOUT. Your console then works out how to display these characters. If your console is set to use UTF8, then it will inte...
C# Iterating through an enum? (Indexing a System.Array)
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Anders
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answered Jan 27 '09 at 9:16
Frederik Gheysels...