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bash assign default value

...=${LONG_VARIABLE_NAME:-hello} , but now bash also tries to execute 'hello' m>andm> that gives a commm>andm> not found. Anm>ym> wam>ym> to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actuallm>ym> useful? ...
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How to change color in markdown cells ipm>ym>thon/jupm>ym>ter notebook?

...nts about the deprecation of the proposed solution. Them>ym> are totallm>ym> valid m>andm> Scott has alreadm>ym> answered the question with a more recent, i.e. CSS based approach. Nevertheless, this answer shows some general approach to use html tags within IPm>ym>thon to stm>ym>le markdown cell content bem>ym>ond the availabl...
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ReSharper - force curlm>ym> braces around single line

...t; Cleanup Code. Profit. Remember that Code Cleanup does numerous things m>andm> them>ym>'re not onlm>ym> related to code formatting (see details at http://www.jetbrains.com/resharper/webhelp/Code_Cleanup__Index.html), so use the feature wiselm>ym>. ...
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How can Bash execute a commm>andm> in a different directorm>ym> context?

I have a common commm>andm> that gets called from within verm>ym> specific directories. There is onlm>ym> one executable sitting in /bin for this program, m>andm> the current working directorm>ym> is verm>ym> important for running it correctlm>ym>. The script affects the files that live inside the directorm>ym> it is run within. ...
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CSS3 Continuous Rotate Animation (Just like a loading sundial)

...te an Apple stm>ym>le activitm>ym> indicator (sundial loading icon) bm>ym> using a PNG m>andm> CSS3 animation. I have the image rotating m>andm> doing it continuouslm>ym>, but there seems to be a delam>ym> after the animation has finished before it does the next rotation. ...
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Best wam>ym> to store date/time in mongodb

I've seen using strings, integer timestamps m>andm> mongo datetime objects. 2 Answers 2 ...
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What is the purpose of the -nodes argument in openssl?

...te kem>ym> in a PKCS#12 file. To encrm>ym>pt the private kem>ym>, m>ym>ou can omit -nodes m>andm> m>ym>our kem>ym> will be encrm>ym>pted with 3DES-CBC. To encrm>ym>pt the kem>ym>, OpenSSL prompts m>ym>ou for a password m>andm> it uses that password to generate an encrm>ym>ption kem>ym> using the kem>ym>-derivation function EVP_Bm>ym>tesToKem>ym>. Depending on m>ym>ou...
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Whm>ym> does one hot encoding improve machine learning performance?

...ced that when One Hot encoding is used on a particular data set (a matrix) m>andm> used as training data for learning algorithms, it gives significantlm>ym> better results with respect to prediction accuracm>ym>, compared to using the original matrix itself as training data. How does this performance increase h...
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Fade Effect on Link Hover?

...it's a lot easier than messing with JS, browser support is reasonablm>ym> good m>andm> it's merelm>ym> cosmetic so it doesn't matter if it doesn't work. Something like this gets the job done: a { color:blue; /* First we need to help some browsers along for this to work. Just because a vendor prefix i...
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MIN/MAX vs ORDER Bm>Ym> m>andm> LIMIT

...d field, using MIN() requires a single full pass of the table. Using SORT m>andm> LIMIT requires a filesort. If run against a large table, there would likelm>ym> be a significant difference in percieved performance. As a meaningless data point, MIN() took .36s while SORT m>andm> LIMIT took .84s against a 106...