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Why does one hot encoding improve machine learning performance?
...ers of the categories instead) organized in a certain way and in a certain order.
Now, what happens if you assign category 0 to 0, category 1 to 1, and category 2 to 2 without one-hot encoding, and that your algorithm's prediction isn't sure if it should choose 0 or 2: should he predict 1 despite ...
How do I delete unpushed git commits?
...ld be a programmatic way to remove commits from a branch, for instance, in order to copy new commits to it (using rebase).
Suppose you have a branch that is disconnected from master because you have taken sources from some other location and dumped it into the branch.
You now have a branch in whic...
How to paste text to end of every line? Sublime 2
...-zA-z0-9!@#$")(*&!+_-] will find the beginning of every line (provided all characters are added for the regex to search for at the beginning each of the lines). Thanks @yohann !
– Tony H.
May 22 '12 at 21:25
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junit & java : testing non-public methods [duplicate]
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The method of subclassing in order to access protected members was proposed to conform to the (generally) accepted practice of placing your test and source code in different packages. This makes it easy to specify to exclude your unit tests in the final ...
How can I convert an Integer to localized month name in Java?
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Apparently in Android 2.2 there is a bug with SimpleDateFormat.
In order to use month names you have to define them yourself in your resources:
<string-array name="month_names">
<item>January</item>
<item>February</item>
<item>March</item&g...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
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You usually get this error if your tables use the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column.
But the tricky part is that you can't drop the foreign key using...
C++ wait for user input [duplicate]
...gtao No, it doesn't. Please compile an application on Linux/Unix making a call to system("pause") and see for yourself. I am not talking about the system()( function. But the use of "pause" as a command.
– Zimano
Jan 29 '16 at 14:51
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Adjust width and height of iframe to fit with content in it
...document.body.scrollHeight+"px";}(this));' style="height:200px;width:100%;border:none;overflow:hidden;"></iframe>
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Using CookieContainer with WebClient class
... limited functionalty. Before I knew about this option, I wrote lots of really painful code at the HttpWebRequest layer because WebClient almost, but not quite, did what I needed. Derivation is much easier.
Another option is to use the regular WebClient class, but manually populate the Cookie he...
What are the drawbacks of Stackless Python? [closed]
...and it seems to have many advantages compared with vanilla cPython. It has all those cool features like infinite recursion, microthreads, continuations, etc. and at the same time is faster than cPython (around 10%, if the Python wiki is to be believed) and compatible with it (at least versions 2...