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Create RegExps on the fly using string variables
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There's new RegExp(string, flags) where flags are g or i. So
'GODzilla'.replace( new RegExp('god', 'i'), '' )
evaluates to
zilla
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How To Change DataType of a DataColumn in a DataTable?
... Love the solution - Elegant! However ImportRow() does not seem to convert string values to float values for me. Am I missing something here?
– yangli.liy
Sep 17 '14 at 15:54
2
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'const string' vs. 'static readonly string' in C#
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When you use a const string, the compiler embeds the string's value at compile-time.
Therefore, if you use a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change unti...
Code for decoding/encoding a modified base64 URL
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@Kirk: If it adds 3 characters then the base64 string is already corrupt. I guess it would be a good idea to validate the string, it should only contain the characters expected and Length % 4 != 3.
– AnthonyWJones
Aug 4 '09 at 17:36...
How can you find the height of text on an HTML canvas?
...l it is. I know it's based on the font, but I don't know to convert a font string to a text height.
23 Answers
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PDO Prepared Inserts multiple rows in single query
...all it once before the loop with sizeof($datafields) and append the result string to $question_marks[] inside the loop.
– AVIDeveloper
Jun 28 '16 at 7:44
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How do I find the caller of a method using stacktrace or reflection?
...ate static abstract class GetCallerClassNameMethod {
public abstract String getCallerClassName(int callStackDepth);
public abstract String getMethodName();
}
/**
* Uses the internal Reflection class
*/
private static class ReflectionMethod extends GetCallerClassNameMethod {
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Python string.join(list) on object array rather than string array
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The built-in string constructor will automatically call obj.__str__:
''.join(map(str,list))
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Ruby: Merging variables in to a string
I'm looking for a better way to merge variables into a string, in Ruby.
7 Answers
7
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JSR-303 @Valid annotation not working for list of child objects
..., as follows:
public class UserAddressesForm {
@NotEmpty
private String firstName;
@NotEmpty
private String lastName;
@Valid
private List<AddressForm> addresses;
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setters and getters
public class AddressForm {
@NotEmpty
private String customName;
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