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Uninstall Node.JS using Linux command line?
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If you installed from source, you can issue the following command:
sudo make uninstall
If you followed the instructions on https://github.com/nodejs/node/wiki to install to your $HOME/local/node, then you have to type the following before ...
How to implement WiX installer upgrade?
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In the newest versions (from the 3.5.1315.0 beta), you can use the MajorUpgrade element instead of using your own.
For example, we use this code to do automatic upgrades. It prevents downgrades, giving a localised error message, and also prevents u...
How to calculate the sentence similarity using word2vec model of gensim with python
...flexible. What's great is that you can grab the pretrained word embeddings from the official word2vec page and the syn0 layer of gensim's Doc2Vec model is exposed so that you can seed the word embeddings with these high quality vectors!
GoogleNews-vectors-negative300.bin.gz (as linked in Google Cod...
Count the items from a IEnumerable without iterating?
... @Shimmy You iterate and count the elements. Or you call Count() from the Linq namespace that does this for you.
– Mendelt
Dec 1 '09 at 8:47
1
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What is a “Stub”?
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Martin Fowler wrote an excellent article on this subject. From that article:
Meszaros uses the term Test Double as the generic term for any kind of pretend object used in place of a real object for testing purposes. The name comes from the notion of a Stunt Double in movies. (On...
What is PECS (Producer Extends Consumer Super)?
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tl;dr: "PECS" is from the collection's point of view. If you are only pulling items from a generic collection, it is a producer and you should use extends; if you are only stuffing items in, it is a consumer and you should use super. If you d...
How can I remove a key and its value from an associative array?
...e4");
To remove an element using the array key:
// To unset an element from array using Key:
unset($arr["key2"]);
var_dump($arr);
// output: array(3) { ["key1"]=> string(6) "value1" ["key3"]=> string(6) "value3" ["key4"]=> string(6) "value4" }
To remove element by value:
// remove an ...
Hex transparency in colors [duplicate]
...ved generically by a cross multiplication.
We have a percentage (ranging from 0 to 100 ) and another number (ranging from 0 to 255) then converted to hexadecimal.
100 <==> 255 (FF in hexadecimal)
0 <==> 0 (00 in hexadecimal)
For 1%
1 * 255 / 100 = 2,5
2,5 in hexa is 2 if you ro...
Convert an ISO date to the date format yyyy-mm-dd in JavaScript
How can I get a date having the format yyyy-mm-dd from an ISO 8601 date?
18 Answers
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How to get the original value of an attribute in Rails
... original value that an ActiveRecord attribute (=the value that was loaded from the database)?
4 Answers
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