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EC2 instance has no public DNS

...as not the one who set it up. Some of the instances show a public dns name and others have a blank public DNS. I want to be able to connect to the instances that have a blank public DNS. I have not been able to figure out why these show up as blank. ...
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How can I get a count of the total number of digits in a number?

... I'm afraid ceil(log10(10)) = ceil(1) = 1, and not 2 as it should be for this question! – ysap Dec 19 '10 at 18:08 3 ...
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

I want to be able to add a range and get updated for the entire bulk. 12 Answers 12 ...
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How to do case insensitive search in Vim

... Also, \c can appear anywhere in the pattern, so if you type a pattern and then decide you wanted a case-insensitive search, just add a \c at the end. – Alok Singhal Feb 18 '10 at 9:20 ...
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How to force R to use a specified factor level as reference in a regression?

... Others have mentioned the relevel command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data). If you don't want to change the data (this is a one time change, but in the f...
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How to set a default value with Html.TextBoxFor?

... Curious to know why capital 'V' works and lowercase 'v' does not? Also, this solution overrides the model value for Age, even if one is present. – Derek Hunziker Sep 1 '10 at 23:46 ...
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Scroll to bottom of Div on page load (jQuery)

... Well done! I was looking for a snippet to scroll and all I could find it page scrolling (html, body). This is a great solution and using scrollHeight is a great way to make sure it always reaches the bottom. – Kevin Marmet Jul 15 '19 a...
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How to pass password automatically for rsync SSH command?

I need to do rsync by ssh and want to do it automatically without the need of passing password for ssh manually. 13 A...
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How do I pass a class as a parameter in Java?

Is there any way to pass class as a parameter in Java and fire some methods from that class? 10 Answers ...
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Elegant way to search for UTF-8 files with BOM?

... What about this one simple command which not just finds but clears the nasty BOM? :) find . -type f -exec sed '1s/^\xEF\xBB\xBF//' -i {} \; I love "find" :) Warning The above will modify binary files which contain those three characters. If you want j...