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Looping over arrays, printing both index and value
...
INDEX=0
for i in $list; do
echo ${INDEX}_$i
let INDEX=${INDEX}+1
done
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How to access command line parameters?
...ss the command line arguments by using the std::env::args or std::env::args_os functions. Both functions return an iterator over the arguments. The former iterates over Strings (that are easy to work with) but panics if one of the arguments is not valid unicode. The latter iterates over OsStrings an...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...ioned in "FAQ How do I run Eclipse?":
Eclipse DOES NOT consult the JAVA_HOME environment variable.
So I would check your $PATH, starting by n new shell sesion (whatever your OS is), typing 'java -version' to see if it still returns anything.
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Where can I set environment variables that crontab will use?
...ng every hour. The user running it has environment variabless in the .bash_profile that work when the user runs the job from the terminal, however, obviously these don't get picked up by crontab when it runs.
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Html table tr inside td
...ited May 12 '14 at 17:37
katalin_2003
62911 gold badge1212 silver badges2626 bronze badges
answered Jun 13 '13 at 14:00
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How can I pass a Bitmap object from one activity to another
... on external storage and pass just the URI.
– AITAALI_ABDERRAHMANE
Sep 14 '15 at 20:28
1
what is ...
How to check if the user can go back in browser history or not
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Does not work if a window was opened with target="_blank" to force a new window. The back button on the browser won't work, but there will be a document.referrer
– Mike_K
Mar 26 '13 at 15:54
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How can I specify a local gem in my Gemfile?
...nly by using the following configuration option:
$ bundle config local.GEM_NAME /path/to/local/git/repository
This is extremely helpful if you're developing two gems or a gem and a rails app side-by-side.
Note though, that this only works when you're already using git for your dependency, for ex...
How can I determine installed SQL Server instances and their versions?
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You could query this registry value to get the SQL version directly:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\90\Tools\ClientSetup\CurrentVersion
Alternatively you can query your instance name and then use sqlcmd with your instance name that you would like:
To see your insta...
How to test if a string is JSON or not?
... useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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