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How to determine an interface{} value's “real” type?
... you're absolutely right! thanks! do you have any insight on types string representations of types?
– cc young
Jun 16 '11 at 15:17
12
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How to dynamically compose an OR query filter in Django?
... with a list
# of db fields that can change like the following
# list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3']
# init our q objects variable to use .add() on it
q_objects = Q(id__in=[])
# loop trough the list and create an OR condition for each item
for item in list:
q_objects.add(Q...
Is there a way to do method overloading in TypeScript?
...be compatible with all of the overloads.
class TestClass {
someMethod(stringParameter: string): void;
someMethod(numberParameter: number, stringParameter: string): void;
someMethod(stringOrNumberParameter: any, stringParameter?: string): void {
if (stringOrNumberParameter &...
What is Normalisation (or Normalization)?
...1 | Toyota
2 | Ford,Cadillac
Here the "Car" column (which is a string) have several values. That offends the first normal form, which says that each cell should have only one value. We can normalize this problem away by have a separate row per car:
UserId | Car
---------------------
1 ...
C# nullable string error
...
System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix are for value types such as Int32, Double, DateTime, etc.
shar...
How to get users to read error messages?
... Instead of requiring users to figure out the date format, take a couple extra minutes and teach your software how to parse dates in multiple formats. The computer is smart -- let it help the user rather than slap their wrists.
– Bryan Oakley
Jul 18 '10 at 4:...
Create request with POST, which response codes 200 or 201 and content
...ource. Even if it's something trivial like normalizing capitalization of a string. Isn't it a bit dodgy to treat your submitted version as the version the etag was created against?
– Anthony
Aug 30 '16 at 12:57
...
std::string length() and size() member functions
...ion and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is no difference between size() and lengt...
How can I change an element's class with JavaScript?
...xplanation of this regex is as follows:
(?:^|\s) # Match the start of the string, or any single whitespace character
MyClass # The literal text for the classname to remove
(?!\S) # Negative lookahead to verify the above is the whole classname
# Ensures there is no non-space character ...
How to cast an Object to an int
...dered/boxed as an Integer then stored as an Object.
If your object is a String, then you can use the Integer.valueOf() method to convert it into a simple int :
int i = Integer.valueOf((String) object);
It can throw a NumberFormatException if your object isn't really a String with an integer as...