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How to ALTER multiple columns at once in SQL Server
...TER COLUMN
Hit Replace button.
Run the script.
Hope it will save lot of time :))
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Detect if a NumPy array contains at least one non-numeric value?
I need to write a function which will detect if the input contains at least one value which is non-numeric. If a non-numeric value is found I will raise an error (because the calculation should only return a numeric value). The number of dimensions of the input array is not known in advance - the fu...
Automatic counter in Ruby for each?
I want to use a for-each and a counter:
8 Answers
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How do you clone an Array of Objects in Javascript?
...n a full solution (if it's even possible - it might not be! But I have no time to try to write a rigorous proof now.). I found some good comments on the issue on this page.
If you need a deep copy of an Array of Objects with circular references I believe you're going to have to code your own meth...
How to select the first element with a specific attribute using XPath
...ion='US'][1] does not return all books from 'US'. I have tested it mutiple times and under different languages' xpath implementations. /bookstore/book[@location='US'][1] returns the first 'US' book under a bookstore. If there are mutiple bookstores, then it will return the first from each. This is w...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...at
pools with similar properties but
different details (for example,
timeout parameters) may be created
using ThreadPoolExecutor constructors.
In terms of resources, the newFixedThreadPool will keep all the threads running until they are explicitly terminated. In the newCachedThreadPool Th...
Unable to find specific subclass of NSManagedObject
...ing as <appName>Tests.<entityName>. The solution I use at this time (Xcode 6.1) is to NOT fill the Class field in the CoreData UI, and to do it in code instead.
This code will detect if you are running as App vs Tests and use the right module name and update the managedObjectClassName.
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What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
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Elegant setup of Python logging in Django
I have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple:
4...
What is the purpose of the “role” attribute in HTML?
...he downvoter but I'll comment. The validator warnings were added since the time of the original post. These warnings are helpful for authors, but the code redundancy has no negative affects on end users that I am aware of.
– James Craig
Jun 29 at 19:49
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