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Check if string contains only digits
I want to check if a string contains only digits. I used this:
14 Answers
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...U.
In practice, it is only the representations for signed values that may differ according to the implementation: one's complement, two's complement, sign-magnitude. For an unsigned type there is no reason for the standard to allow variation because there is only one obvious binary representation (t...
c# open file with default application and parameters
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If you want the file to be opened with the default application, I mean without specifying Acrobat or Reader, you can't open the file in the specified page.
On the other hand, if you are Ok with specifying Acrobat or Reader, ...
How to check if a String contains any of some strings
I want to check if a String s, contains "a" or "b" or "c", in C#.
I am looking for a nicer solution than using
14 Answers
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Path.Combine for URLs?
...I am accepting this one. It seems to work in all cases I have encountered. If people don't want to take a dependency, I posted an answer that also works fine.
– Brian MacKay
Nov 28 '18 at 15:33
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How can you find the height of text on an HTML canvas?
...Ascent and tmDescent returned by Win32's GetTextMetric API. This is needed if you want to do a word-wrapped run of text with spans in different fonts/sizes.
The above image was generated on a canvas in Safari, red being the top line where the canvas was told to draw the text, green being the base...
Rails check if yield :area is defined in content_for
...nt_for_whatever is deprecated.
Use content_for? instead, like this:
<% if content_for?(:whatever) %>
<div><%= yield(:whatever) %></div>
<% end %>
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Git: Set up a fetch-only remote?
...ould think "git remote set-url --delete --push .*" would do the trick, but if you delete the push url then it defaults back to the fetch url.
– yoyo
May 16 '14 at 17:25
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AngularJS - how to get an ngRepeat filtered result reference
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The problem with this approach is that if you watch the assigned property, you'll end up spamming $digests (one per iteration)... Maybe there's some way to avoid this?
– Juho Vepsäläinen
Dec 24 '13 at 12:17
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Collection that allows only unique items in .NET?
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Note that the HashSet<T>.Add(T item) method returns a bool -- true if the item was added to the collection; false if the item was already present.
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