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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...h byte in the array and verify that they are equal. One way to do this is convert them to something that implements ICollection and use CollectionAssert.AreEqual() instead.
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Sort Dictionary by keys
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It is not possible as when you convert it back to dictionary it will change to the unordered collection as dictionaries in swift are unordered collection developer.apple.com/documentation/swift/dictionary
– Jaimin
Jul...
Min/Max-value validators in asp.net mvc
... }
public override bool IsValid(object value)
{
return Convert.ToDouble(value) >= _minValue;
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var rule = new ModelClientValid...
Is there a NumPy function to return the first index of something in an array?
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You can also convert a NumPy array to list in the air and get its index. For example,
l = [1,2,3,4,5] # Python list
a = numpy.array(l) # NumPy array
i = a.tolist().index(2) # i will return index of 2
print i
It will print 1.
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What is a stack trace, and how can I use it to debug my application errors?
...t: [com.example.myproject.MyEntity]
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDele...
How do I URL encode a string
...dCharacters:NSCharacterSet.URLQueryAllowedCharacterSet];
To specifically convert '&', you'll need to remove it from the url query set or use a different set, as '&' is allowed in a URL query:
NSMutableCharacterSet *chars = NSCharacterSet.URLQueryAllowedCharacterSet.mutableCopy;
[chars rem...
typecast string to integer - Postgres
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If the value contains non-numeric characters, you can convert the value to an integer as follows:
SELECT CASE WHEN <column>~E'^\\d+$' THEN CAST (<column> AS INTEGER) ELSE 0 END FROM table;
The CASE operator checks the < column>, if it matches the integer pat...
Split List into Sublists with LINQ
... Dividing by three has the effect of grouping them into groups of 3. Then convert each group to a list and the IEnumerable of List to a List of Lists
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Passing a single item as IEnumerable
...nsion method to SingleItemAsEnumerable, everything started to work. Cannot convert IEnumerable<Dictionary<CheckBox,System.Tuple<int,int>>.KeyCollection>' to 'IEnumerable<CheckBox>'. An explicit conversion exists (are you missing a cast?) I can live with a hack for a while, b...
Finding the type of an object in C++
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Doesn't dynamic_cast throw if its not convertible? Is there a way to do it without generating a throw?
– jww
Aug 31 '16 at 11:38
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