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Create two blank lines in Markdown
...ss today with &Newline; , with two trailing spaces, in both HTML and Word, which is what I need right now :-)
– Mike M
Aug 29 at 23:59
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Ruby on Rails generates model field:type - what are the options for field:type?
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(It's not the model name that's the issue, it's the word model as referring to the generator. rails g model Product … is fine.)
– Asherah
Jan 16 '14 at 1:41
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MongoDB Aggregation: How to get total records count?
...s now a new aggregation pipeline operator named 'facet' which in their own words:
Processes multiple aggregation pipelines within a single stage on the same set of input documents. Each sub-pipeline has its own field in the output document where its results are stored as an array of documents.
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'npm' is not recognized as internal or external command, operable program or batch file
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For Windows users: A picture tells a thousand words
Refrence: npm not recognized as internal or external command
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Java abstract interface
...s in interfaces may go away.
Assuming =0 got replaced by the abstract keyword, I suspect that abstract was at some point mandatory for interface methods!
Related article: Java: Abstract interfaces and abstract interface methods
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Automatic exit from bash shell script on error [duplicate]
...ls is part of the
command list immediately following a while or until keyword,
part of the test following the if or elif reserved words, part
of any command executed in a && or || list except the command
following the final && or ||, any command in a pipeline but
the last, ...
postgresql - sql - count of `true` values
...ll return null, so it should be COALESCE(sum(...),0) for you, or, in other words, count() is better,
– Daniel
Mar 22 '11 at 21:38
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OS specific instructions in CMAKE: How to?
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You have some special words from CMAKE, take a look:
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
// do something for Linux
else
// do something for other OS
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How to display line numbers in 'less' (GNU)
... raw color codes in files. S = Scroll long lines off the screen instead of word wrap. #3 = scroll right/left by 3 positions at a time. N = show line numbers. M = Longer prompts. ~ = Instead of displaying empty space after a file ends with ~, display nothing for blank space. g = when doing a search ...
How to determine the screen width in terms of dp or dip at runtime in Android?
...320 screen
3 px = 2 dip if dpi == 240(hdpi), 840x480 screen
In other words, if you design you layout with width equal to 160dip in portrait mode, it will be half of the screen on all ldpi/mdpi/hdpi devices(except tablets, I think)
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