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What is the best way to tell if a character is a letter or number in Java without using regexes?
... recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
9 Answ...
C++, copy set to vector
...:copy doesn't add elements to the container into which you are inserting: it can't; it only has an iterator into the container. Because of this, if you pass an output iterator directly to std::copy, you must make sure it points to a range that is at least large enough to hold the input range.
std...
How to drop all tables in a SQL Server database?
I'm trying to write a script that will completely empty a SQL Server database. This is what I have so far:
15 Answers
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How do streaming resources fit within the RESTful paradigm?
With a RESTful service you can create, read, update, and delete resources. This all works well when you're dealing with something like a database assets - but how does this translate to streaming data? (Or does it?) For instance, in the case of video, it seems silly to treat each frame as resource...
Why does changing the returned variable in a finally block not change the return value?
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The try block completes with the execution of the return statement and the value of s at the time the return statement executes is the value returned by the method. The fact that the finally clause later changes the value of s (after the return state...
Azure SQL Database Bacpac Local Restore
...reated a BACPAC backup of my Azure SQL Database using the "Export" option within the Azure Management Console.
6 Answers
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Problems with contenttypes when loading a fixture in Django
...ango objects"
Some other useful arguments for dumpdata:
--indent=4 make it human readable.
-e sessions exclude session data
-e admin exclude history of admin actions on admin site
-e contenttypes -e auth.Permission exclude objects which are recreated automatically from schema every time during sy...
How to rollback a specific migration?
...f the migration you want to rollback is the last one applied. You can substitute 1 for however many migrations you want to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and includ...
Output first 100 characters in a string
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it also works for strings shorter than 100, for example print 'foo'[:100] (note that len('foo') is 3, so even when foo[100] doesn't work, it does)
– Rodrigo Laguna
Mar 28 '18 at 19:40
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...ly storing 20 characters in each, err on the side of caution and just make it 50.
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