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How to convert IPython notebooks to PDF and HTML?

...eX (.pdf). Otherwise follow these two steps. For HTML output, you should now use Jupyter in place of IPython and select File -> Download as -> HTML (.html) or run the following command: jupyter nbconvert --to html notebook.ipynb This will convert the Jupyter document file notebook.ipyn...
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Difference between Covariance & Contra-variance

...s T → IE<T>. Notice that this is a "thin arrow". With me so far? Now let's consider a relation. There is an assignment compatibility relationship between pairs of types in the first set. A value of type Tiger can be assigned to a variable of type Animal, so these types are said to be "assi...
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How do I set the time zone of MySQL?

... this answer. To get the current timezone offset as TIME SELECT TIMEDIFF(NOW(), UTC_TIMESTAMP); It will return 02:00:00 if your timezone is +2:00. To get the current UNIX timestamp: SELECT UNIX_TIMESTAMP(); SELECT UNIX_TIMESTAMP(NOW()); To get the timestamp column as a UNIX timestamp SELECT...
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Rule-of-Three becomes Rule-of-Five with C++11?

...since C++11 was passed? I believe struct C { virtual ~C() = default; }; is now allowed and the most concise option. The prohibition ("- it shall not be virtual") from n3242 is not present anymore in n3290 and GCC allows it while previously it didn't. – Luc Danton ...
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C# Double - ToString() formatting with two decimal places but no rounding

...094.7563) / 100; - 5094 / 100 - 50.94 And there's your answer truncated, now to format the string simply do the following: string s = string.Format("{0:N2}%", x); // No fear of rounding and takes the default number format ...
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Checking in packages from NuGet into version control?

... No Since this question was asked there is now an easy workflow to use NuGet without commiting packages to source control From your package manager console you need to install the 'NuGetPowerTools': Install-Package NuGetPowerTools Then to enable your projects to s...
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Could not open a connection to your authentication agent

... @xtian I'm not sure that I understand the issue. I don't know the exact details, but I'm guessing that the private key is never sent over the network. I think ssh-add merely decrypts an encrypted private key on the host machine, so that it can be used locally...it's never sent to an...
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Generate Java class from JSON?

...t. It's still in draft (not finalised) but it's close to completion and is now a viable tool specifying your structural rules I've recently started a new open source project specifically intended to solve your problem: jsonschema2pojo. The jsonschema2pojo tool takes a json schema document and gener...
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)

...og{base a} (A (a-1)/a +1). If I use the example of a = 10 and K = 192, I know that N = 2.23804… . This tells me that K lies at the beginning of the third space since it is a little greater than two. The next step is to find exactly how far in the current space we are. To find this, subtract fr...
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How to let PHP to create subdomain automatically for each user?

...to my index.php file. So if I go to http://fred.mywebsite.com/album/Dance/now I get back http://fred.mywebsite.com/index.php?uri=album/Dance/now&hostName=fred.mywebsite.com Then in my index.php code i just explode my username off of the hostName. This gives me nice pretty SEO URLs. ...