... Based on some (minimal) benchmarks using the timeit module it seems that the following has similar if not better performance than the accepted answer new_lst = [a, *lst] As with [a] + list this will create a new list and n...

...t requires an HttpRequest object. All I have access to is an HttpRequestBase object. 9 Answers ...

... Slightly easier, let dot chose the filename based on input filename and file type: dot -Tpng -O file.dot (will produce file.png) – Andrew Mackenzie Jan 13 '19 at 15:54 ...

...dom numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine). When a non-logged-in user visits the site and presents a login cookie, the series identifier is looked up in the database. If the series identifier is present and the hash o...

... logging is enabled then we can check the queries in the log file or table based what we have mentioned in the config. Check what is enabled with the following command mysql> show variables like 'general_log%'; mysql> show variables like 'log_output%'; If we need query history in table then...

... Somewhat cleaner solution than the accepted answer (based on this question): public static boolean isAppInstalled(Context context, String packageName) { try { context.getPackageManager().getApplicationInfo(packageName, 0); return true; } catch (Pac...

...Inner Classes Garbage Collection is automatic but tries to remove objects based on whether it thinks they are being used. The Garbage Collector is pretty smart, but not flawless. It can only determine if something is being used by whether or not there is an active reference to the object. The rea...

...y, you have to manually delete the cache. The location of the cache varies based on the client adapter used. JavaHL caches the information in the same location as the command line client -- in the Subversion runtime configuration area. On Windows this is located in %APPDATA%\Subversion\auth. On Linu...

...ccepted answer 100% correct, and useful, wished to expand upon it a little based on my own experiences, and hopefully for the benefit of others too. (Here I am using the terms package and module interchangeably) In answer to the question, yes the accepted answer would be: npm list -g --depth=0 Y...

...e higher precision, use milliseconds instead. This value should always be based on UTC, without any time zone adjustment. If you might later need to modify the timestamp, include the original time zone ID so you can determine if the offset may have changed from the original value recorded. When sch...