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What does send() do in Ruby?
...s, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
share
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From Arraylist to Array
I want to know if it is safe/advisable to convert from ArrayList to Array?
I have a text file with each line a string:
9 An...
Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
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How to track untracked content?
...independent Git repository. Usually such sub-repositories are ignored, but if you tell git add to explicitly add it, then it will create an gitlink entry that points to the sub-repository’s HEAD commit instead of adding the contents of the directory. It might be nice if git add would refuse to cre...
RESTful Alternatives to DELETE Request Body
... This is a bad idea. One place where this will get you in trouble is if you later decide to use an HTTP acceleration service like Akamai EdgeConnect. I know for a fact that EdgeConnect strips bodies from HTTP DELETE requests(since they consume bandwidth are are likely invalid). It's also likel...
How to print out more than 20 items (documents) in MongoDB's shell?
... batch size setting and rs.slaveOk() enabled. it's usage is also slightly different when using --eval via commandline. see: docs.mongodb.com/manual/mongo/#mongorc-js-file
– matias elgart
Dec 3 '16 at 17:56
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How do you move a commit to the staging area in git?
If you want to move a commit to the staging area - that is uncommit it and move all of the changes which were in it into the staging area (effectively putting the branch in the state that it would have been in prior to the commit) - how do you do it? Or is it something that you can't do?
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Making a request to a RESTful API using python
...optional "params" parameter which is usually a dict carrying query string. If a payload is necessary to fetch data (such as the example posted in question), then "requests.post" needs to be used. Additionally using "json" library makes it easier to parse json response.
– HVS
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Python dictionary: are keys() and values() always the same order?
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Found this:
If items(), keys(), values(),
iteritems(), iterkeys(), and
itervalues() are called with no
intervening modifications to the
dictionary, the lists will directly
correspond.
On 2.x documentation and 3.x documentatio...
Get average color of image via Javascript
...= -4,
length,
rgb = {r:0,g:0,b:0},
count = 0;
if (!context) {
return defaultRGB;
}
height = canvas.height = imgEl.naturalHeight || imgEl.offsetHeight || imgEl.height;
width = canvas.width = imgEl.naturalWidth || imgEl.offsetWidth || imgEl.width;
...