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How to style the option of an html “select” element?

... | edited Sep 30 '19 at 9:58 Jay 17k3131 gold badges102102 silver badges163163 bronze badges ...
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how do I work around log4net keeping changing publickeytoken

We have an asp.net 4.0 project which uses a couple of frameworks which is dependent on log4net version 1.2.10.0. Today I tried to include a new framework which is dependent on log4net version 1.2.11.0, I've been stuck ever since: ...
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A simple explanation of Naive Bayes Classification

...les, would receive misleadingly high scores. In general, for an example, 70% of our data can be used as training set cases. Also remember to partition the original set into the training and test sets randomly. Now I come to your other question about Naive Bayes. To demonstrate the concept of Naï...
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Why 0 is true but false is 1 in the shell?

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How do I find out if first character of a string is a number?

... 260 Character.isDigit(string.charAt(0)) Note that this will allow any Unicode digit, not just 0-9....
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How do I get SUM function in MySQL to return '0' if no values are found?

... 307 Use COALESCE to avoid that outcome. SELECT COALESCE(SUM(column),0) FROM table WHERE ... T...
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javascript: recursive anonymous function?

... answered Oct 7 '10 at 16:46 PointyPointy 359k5454 gold badges508508 silver badges567567 bronze badges ...
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Is it possible to change only the alpha of a rgba background colour on hover?

... { display: block; position: relative; } div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); } a:hover div { background-color: rgba(var(--rgb), 1); } To understand how this works, see How do I apply opacity to a CSS color variable? If custom properties are not an option,...
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Removing white space around a saved image in matplotlib

...lab flag.) plt.gca().set_axis_off() plt.subplots_adjust(top = 1, bottom = 0, right = 1, left = 0, hspace = 0, wspace = 0) plt.margins(0,0) plt.gca().xaxis.set_major_locator(plt.NullLocator()) plt.gca().yaxis.set_major_locator(plt.NullLocator()) plt.savefig("filename.pdf", bbox_inches =...
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How can I convert a DateTime to the number of seconds since 1970?

...ateTime variable to Unix time, ie, the number of seconds since Jan 1st, 1970. It looks like a DateTime is actually implemented as the number of 'ticks' since Jan 1st, 0001. ...