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Why does parseInt(1/0, 19) return 18?
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Here's the sequence of events:
1/0 evaluates to Infinity
parseInt reads Infinity and happily notes that I is 18 in base 19
parseInt ignores the remainder of the string, since it can't be converted.
Note that you'd get a result for any base >= 19, but not for bases below that. For bases...
How can I get the Google cache age of any URL or web page? [closed]
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wow, it even works around robots.txt; I use it to read blogger since our corporate firewall disabled its URL
– Gabor
Apr 13 '12 at 10:17
26
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How to hide only the Close (x) button?
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Did you read the question where he specified that that wasn't an option?
– Servy
Nov 9 '12 at 20:40
28
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Regular expression for matching HH:MM time format
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@SergO please read his answer more carefully. His answer is for both a leading zero and without.
– Alexander
Feb 5 '14 at 21:02
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Does Spring Data JPA have any way to count entites using method name resolving?
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1) The new way, using query derivation for both count and delete queries. Read this, (Example 5).
Example,
public interface UserRepository extends CrudRepository<User, Integer> {
Long countByName(String name);
}
2) The old way, Using @Query annotation.
Example,
public interface Us...
Undefined reference to pthread_create in Linux
...e following demo off the web from https://computing.llnl.gov/tutorials/pthreads/
14 Answers
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Does a method's signature in Java include its return type?
... public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the above statement.
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Add new column with foreign key constraint in one command
...The syntax for IBM DB2 LUW is similar, repeating the keyword ADD but (if I read the diagram correctly) not requiring a comma to separate the added items.
Microsoft SQL Server syntax:
ALTER TABLE one
ADD two_id INTEGER,
FOREIGN KEY(two_id) REFERENCES two(id);
Some others do not allow you ...
How does having a dynamic variable affect performance?
I have a question about the performance of dynamic in C#. I've read dynamic makes the compiler run again, but what does it do?
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Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
...he disk and always generate two to three images in advance in a separate thread.
I don't overlay with a UIImage but instead draw the image in the layer when zooming is 1. Those tiles will be released automatically when memory warnings are issued.
Whenever the user start zooming, I acquire the CGP...