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How would I run an async Task method synchronously?
... a situation where I need to call an async method synchronously. How can I do that?
24 Answers
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How to get the last character of a string in a shell?
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echo "${str:$i:1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in the bash reference manual. Variable...
How to exclude this / current / dot folder from find “type d”
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if you need to exclude multiple paths just do find /path/ ! -path "/path/first" ! -path "/path/second" is this only way?
– Vincent De Smet
Jul 28 '15 at 11:28
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Is there a way to iterate over a range of integers?
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I don't think most people would call this three-expression version more simple than what @Vishnu wrote. Only perhaps after years and years of C or Java indoctrination ;-)
– Thomas Ahle
Jun...
How to extract epoch from LocalDate and LocalDateTime?
How do I extract the epoch value to Long from instances of LocalDateTime or LocalDate ? I've tried
the following, but it gives me other results:
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Convert a Git folder to a submodule retrospectively?
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Does git clone <your_project> <your_submodule> only download files for your_submodule?
– Dominic
Mar 23 '17 at 12:05
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Where does gcc look for C and C++ header files?
On a Unix system, where does gcc look for header files?
9 Answers
9
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How to remove unwanted space between rows and columns in table?
How do I remove the extra space between the rows and columns in the table.
14 Answers
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How is Pythons glob.glob ordered?
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Yes, unless it does a special effort, it will simply show the entries as the operating system provides it. The same as the command "find" in Unix, it just dumps the entries in the order they come from the data structure used by the underly...
Formula to determine brightness of RGB color
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Do you mean brightness? Perceived brightness? Luminance?
Luminance (standard for certain colour spaces): (0.2126*R + 0.7152*G + 0.0722*B) [1]
Luminance (perceived option 1): (0.299*R + 0.587*G + 0.114*B) [2]
Luminance (perc...