大约有 23,000 项符合查询结果(耗时:0.0444秒) [XML]
Difference between classification and clustering in data mining? [closed]
...ve examples but have not classes where to group examples. So in clustering based on examples I need to find clases? Am I right or is there anything important to take in mind? And pleas can You give example? Best regards, Kristaps
– Kristaps
Feb 21 '11 at 11:13...
How do I select the parent form based on which submit button is clicked?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Difference between HashMap, LinkedHashMap and TreeMap
...e entries were put into the map
"Hashtable" is the generic name for hash-based maps. In the context of the Java API,
Hashtable is an obsolete class from the days of Java 1.1 before the collections framework existed. It should not be used anymore, because its API is cluttered with obsolete methods ...
How to convert a string to integer in C?
...
Robust C89 strtol-based solution
With:
no undefined behavior (as could be had with the atoi family)
a stricter definition of integer than strtol (e.g. no leading whitespace nor trailing trash chars)
classification of the error case (e.g. to...
How to update two tables in one statement in SQL Server 2005?
...
@unknown: Based on your comment, you would need to join across both Table1 and Table2 when you update Table2 if your update query needs the keys from a third table. Regardless of that, you still need to do two separate updates.
...
Using NSPredicate to filter an NSArray based on NSDictionary keys
...Swift 3, when you want to filter an array of dictionaries with a predicate based on dictionary keys and values, you may choose one of the following patterns.
#1. Using NSPredicate init(format:arguments:) initializer
If you come from Objective-C, init(format:arguments:) offers a key-value coding ...
How can I create an object based on an interface file definition in TypeScript?
...ect like this
const modal: IModal = {} as IModal;
Or a default instance based on the interface and with sensible defaults, if any
const defaultModal: IModal = {
content: "",
form: "",
href: "",
$form: {} as JQuery,
$message: {} as JQuery,
$modal: {} as JQuery,
$submit...
'^M' character at end of lines
...
The cause is the difference between how a Windows-based based OS and a Unix based OS store the end-of-line markers.
Windows based operating systems, thanks to their DOS heritage, store an end-of-line as a pair of characters - 0x0D0A (carriage return + line feed). Unix-based...
'IF' in 'SELECT' statement - choose output value based on column values
... I prefer ANSI standard syntax over custom syntax for a particular database.
– Gordon Linoff
May 3 '14 at 18:45
2
...
Mockito How to mock only the call of a method of the superclass
...m not seeing the LSP violation. I have roughly the same setup as the OP: a base DAO class with a findAll() method, and a subclass DAO that overrides the base method by calling super.findAll() and then sorting the result. The subclass is substitutable into all contexts accepting the superclass. Am I ...