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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 ...
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...
Sort array by firstname (alphabetically) in Javascript
...se, correctly sort diacritics, weird symbols like ß, etc when you compare strings, so you may want to use localeCompare. See other answers for clarity.
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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
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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 use setInterval and clearInterval?
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Never use strings with setInterval or setTimeout.
– T.J. Crowder
May 12 '11 at 13:19
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
...y the problem was in ApplesDO Class:
public class ApplesDO {
private String apple;
public String getApple() {
return apple;
}
public void setApple(String apple) {
this.apple = apple;
}
public ApplesDO(CustomType custom) {
//constructor Code
}
...
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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Create ArrayList from array
...d its of() and copyOf() factory methods (elements can't be null):
List<String> il = ImmutableList.of("string", "elements"); // from varargs
List<String> il = ImmutableList.copyOf(aStringArray); // from array
For A Mutable List
Use the Lists class and its newArrayList() factory ...
How to get first element in a list of tuples?
...ave a list like below where the first element is the id and the other is a string:
12 Answers
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