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git switch branch without discarding local changes
...ting a new stash. Git version 2.13 introduced the new verb to make things more consistent with pop and to add more options to the creation command. Git version 2.16 formally deprecated the old verb (though it still works in Git 2.23, which is the latest release at the time I am editing this).
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Difference between solr and lucene
...ne. It is not just an http-wrapper around Lucene but has been known to add more arsenal to Lucene. Solr is ready-to-use out of box. It is a web application that offers related infrastructure and a lot more features in addition to what Lucene offers.
@darkheir: Lucene is used to create a search inde...
Rspec, Rails: how to test private methods of controllers?
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tooltips for Button
...tom right of the screen then the tooltip scrambles over the mouse pointer. More generally: the position of the tip isn't smart sometimes... but I guess that's just the browsers then.
– gideon
Jul 21 '17 at 6:21
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MetadataException: Unable to load the specified metadata resource
... should get you on the right track.
Update: I've written a blog post with more complete steps for troubleshooting.
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What is size_t in C?
...t have the best explanation, in my opinion. The C standard itself is much more clear: it defines size_t as the type of the result of the sizeof operator (7.17p2 about <stddef.h>). Section 6.5 explains exactly how C expressions work (6.5.3.4 for sizeof). Since you cannot apply sizeof to a disk...
How to link to part of the same document in Markdown?
...to do it in markdown, it's pretty useless. -- The next answer down is much more helpful.
– BrainSlugs83
Jun 11 '19 at 23:38
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How does “cat
...nto stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All ...
Difference between & and && in Java? [duplicate]
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Great answer. Much more complete than the "logical and bitwise" which doesn't tell much to someone answering this question.
– notbad.jpeg
Sep 24 '12 at 18:47
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Ruby: How to get the first character of a string
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You can use Ruby's open classes to make your code much more readable. For instance, this:
class String
def initial
self[0,1]
end
end
will allow you to use the initial method on any string. So if you have the following variables:
last_name = "Smith"
first_name = "Joh...