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Generating random whole numbers in JavaScript in a specific range?
...ter.
– Ismael Miguel
Mar 1 '15 at 5:05
13
@IsmaelMiguel Using binary operators (x << 0, x |...
How to show and update echo on same line
I have the following in Bash (In Linux)
6 Answers
6
...
How to change package name of an Android Application
...he package names in Manifest and throughout the files, it gives me tons of errors.
18 Answers
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How do I revert a Git repository to a previous commit?
...one of the commits between 0766c053..HEAD is a merge then there will be an error popping up (to do with no -m specified). This may help those encountering that: stackoverflow.com/questions/5970889/…
– timhc22
Nov 21 '14 at 11:55
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How does the “final” keyword in Java work? (I can still modify an object.)
... of the class. Again, if the variable is static then it is a compilation error.
18 Answers
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Which version of PostgreSQL am I running?
...nstallation of PostgreSQL, or if getting the "postgres: command not found" error:
$ locate bin/postgres | xargs -i xargs -t '{}' -V # xargs is intentionally twice.
/usr/pgsql-9.3/bin/postgres -V
postgres (PostgreSQL) 9.3.5
/usr/pgsql-9.6/bin/postgres -V
postgres (PostgreSQL) 9.6.1
If locate do...
How do I get the APK of an installed app without root access?
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This doesn't work for me. I get the following error: adb: error: remote object '/data/app/com.Slack-1/base.apk' does not exist
– 0xcaff
Aug 11 '17 at 2:12
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How to get the size of a JavaScript object?
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The 'bytes+= recurse( value[i] )' line, throws an error in my FF 14.01: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMHTMLInputElement.selectionStart]. On one of my Object, if I try a different one, it doesn't, maybe a browser bug, o...
Default parameters with C++ constructors [closed]
...se your ctor logic should be as minimal as possible. How do you deal with error handling in the ctor, should somebody pass in an argument that doesn't make any sense? You can either throw an exception, which is bad news unless all of your callers are prepared t
How to rollback a specific migration?
... (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=20100905201547
In order to rollback ONLY ONE specific migration (OUT OF ORDER) use:
rake db:migrate:down VERSION=20100905201547
Note that this will NOT rollback any in...