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... hashable objects. The objects have to be hashable so that finding, adding and removing elements can be done faster than looking at each individual element every time you perform these operations. The specific algorithms used are explained in the Wikipedia article. Pythons hashing algorithms are exp...
How to get the Display Name Attribute of an Enum member via MVC razor code?
...e));
}
return enumValues;
}
public static T Parse(string value)
{
return (T)Enum.Parse(typeof(T), value, true);
}
public static IList<string> GetNames(Enum value)
{
return value.GetType().GetFields(BindingFlags.Static | BindingFlags.Pub...
R: rJava package install failing
When installing rJava using the install.packages("rJava") command I get the following error:
16 Answers
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Why does std::getline() skip input after a formatted extraction?
...am<charT>& input,
std::basic_string<charT>& str )
Another overload of this function takes a delimiter of type charT. A delimiter character is a character that represents the boundary between sequences of input. This particular overload sets t...
Postgresql - change the size of a varchar column to lower length
... other databases, is smart enough to only use just enough space to fit the string (even using compression for longer strings), so even if your column is declared as VARCHAR(255) - if you store 40-character strings in the column, the space usage will be 40 bytes + 1 byte of overhead.
The storage ...
How can you strip non-ASCII characters from a string? (in C#)
How can you strip non-ASCII characters from a string? (in C#)
11 Answers
11
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WPF and initial focus
...ew TraversalRequest(FocusNavigationDirection.First));
This will automatically select the first control in the tab order, so it's a general solution that should be able to be dropped into any window and Just Work.
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Cleanest way to build an SQL string in Java
I want to build an SQL string to do database manipulation (updates, deletes, inserts, selects, that sort of thing) - instead of the awful string concat method using millions of "+"'s and quotes which is unreadable at best - there must be a better way.
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%Like% Query in spring JpaRepository
...i.e. using the single line
List<Registration> findByPlaceContaining(String place);
is sufficient.
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Ignoring an already checked-in directory's contents?
...d only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories.
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