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What is the difference between a generative and a discriminative algorithm?
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Thanks for the paper. The author is now professor at Stanford and has wonderful resources at stanford.edu/class/cs229/materials.html
– unj2
May 18 '09 at 23:08
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How to measure code coverage in Golang?
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Note that Go 1.2 (Q4 2013, rc1 is available) will now display test coverage results:
One major new feature of go test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results.
The cover tool is...
How do I remove the “extended attributes” on a file in Mac OS X?
...o longer lists -c and produces "-c not recognized" when used. Very painful now to remove extended attributes one by one.
– helioz
Jan 29 '13 at 2:39
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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Update
data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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Why does the default parameterless constructor go away when you create one with parameters
...lt parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
11 Answers
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Hide hidden(dot) files in github atom editor
...gs" button of this package and then check the "Hide Ignored Names" choice.
Now go to Edit > Preferences > Core . In the Ignored Names box enter .* this will hide all the files/folders which are usually hidden in other file explorers.
If you want to hide normal files/folders just add them to ...
convert a JavaScript string variable to decimal/money
...parseFloat(document.getElementById(amtid4).innerHTML).toFixed(2);
num is now a string with the number formatted with two decimal places.
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How to write a JSON file in C#?
...nd a couple of key places where object allocations could be reduced...... (now) Json.Net (6.0) allocates 8 times less memory than JavaScriptSerializer
Update since .Net Core 3.0
A new kid on the block since writing this is System.Text.Json which has been added to .Net Core 3.0. Microsoft mak...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
... ones (or at least quickest) broken.
UPDATE: CAPTCHA Killer's website is now taken down, apparently under legal pressure. See http://captcha.org/ for a complete overview of the topic.
And yeah, OCR is not the best way to break a CAPTCHA protected site - there are many other better ways.
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How to set up a git project to use an external repo submodule?
...ctory named externals/jquery* and link it to the github jquery repository. Now we just need to init the submodule and clone the code to it:
git submodule update --init --recursive
You should now have all the latest code cloned into the submodule. If the jquery repo changes and you want to pull t...