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What is ApplicationException for in .NET?
To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException . However, sometimes I need to use a custom exception and in that case I write:
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Build an ASCII chart of the most commonly used words in a given text [closed]
... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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Set operations (union, intersection) on Swift array?
Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
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Difference between “managed” and “unmanaged”
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Unmanaged code compiles straight to machine code. So, by that definition all code compiled by traditional C/C++ compilers is 'unmanaged code'. Also, since it compiles to machine code and not an intermediate language it is non-portable.
No free memory management or anything else the CLR provides.
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Postgres dump of only parts of tables for a dev snapshot
...and testing, we need to create snapshots of this database that are functionally equivalent, but which are only 10 or 20 gigs in size.
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XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
4 Answers
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How to remove a file from version control without deleting it?
...ory. In the event you wish to remove files from the repo, BUT keep them locally on your machine then you'd use the flag above.
– Greg Hilston
Feb 22 '16 at 13:31
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ere’s a hint:
h[42] #=> ["a", "b"]
The array returned by each [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be assignment in Ruby without an = present†), we’ve nev...
Select DISTINCT individual columns in django?
...g note in the docs about using distinct(). The above example will work but all combinations of distinct() and values() may not.
PS: it is a good idea to use lower case names for fields in a model. In your case this would mean rewriting your model as shown below:
class ProductOrder(models.Model):
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How do I uninstall a package installed using npm link?
When installing a node package using sudo npm link in the package's directory, how can I uninstall the package once I'm done with development?
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