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Difference between InvariantCulture and Ordinal string comparison

...trings in c# for equality, what is the difference between InvariantCulture and Ordinal comparison? 9 Answers ...
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How can I convert a DateTime to the number of seconds since 1970?

... That's basically it. These are the methods I use to convert to and from Unix epoch time: public static DateTime ConvertFromUnixTimestamp(double timestamp) { DateTime origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc); return origin.AddSeconds(timestamp); } public s...
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How to change the color of an svg element?

I want to use this technique http://css-tricks.com/svg-fallbacks/ and change the svg color but so far I haven't been able to do so. I put this in the css but my image is always black, no matter what. My code: ...
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Transitions on the CSS display property

... You can concatenate two transitions or more, and visibility is what comes handy this time. div { border: 1px solid #eee; } div > ul { visibility: hidden; opacity: 0; transition: visibility 0s, opacity 0.5s linear; } div:hover > ul { visibil...
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Making heatmap from pandas DataFrame

I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package. ...
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Regex to check whether a string contains only numbers [duplicate]

I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something? 21...
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Difference between pre-increment and post-increment in a loop?

Is there a difference in ++i and i++ in a for loop? Is it simply a syntax thing? 22 Answers ...
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Select the values of one property on all objects of an array in PowerShell

... I think you might be able to use the ExpandProperty parameter of Select-Object. For example, to get the list of the current directory and just have the Name property displayed, one would do the following: ls | select -Property Name This is still returning Direc...
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How do you calculate the average of a set of circular data? [closed]

... Compute unit vectors from the angles and take the angle of their average. share | improve this answer | follow | ...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

...her that is default implemented in the UserManager that comes with MVC 5 and ASP.NET Identity Framework, is secure enough? And if so, if you could explain to me how it works? ...