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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
share
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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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Unable to authenticate with Git Bash to Visual Studio Team Services
... these applications, you need to enable alternate
credentials, set a password, and optionally set a secondary user name
not in the form of an e-mail address. Please note that alternate
credentials cannot be used to sign in to the service from a web
browser or outside of these applications.
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How to convert “camelCase” to “Camel Case”?
... First function splits it, but does not PascalCase the First word. Second function fails on a none camelCased case. (e.g: 'id')
– Rafael Herscovici
Apr 20 '18 at 12:01
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How to get Resource Name from Resource id
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If I am right, what you wanted to retrieve is the word "radio1" (from the id itself?) so if that's the case then first you need to get its id.
int intname= buttonname.getId();
then get the result of it
String stringname= getResources().getResourceEntryName(intname);
h...
Safe integer parsing in Ruby
...4 == 234234.safe_to_i
assert 237 == "237".safe_to_i
begin
"a word".safe_to_i
fail 'safe_to_i did not raise the expected error.'
rescue NotAnIntError
# this is what we expect..
end
end
end
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