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How to convert an enum type variable to a string?
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There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
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How to determine the longest increasing subsequence using dynamic programming?
...tEnd in a loop using prev[bestEnd]. The -1 value is a sign to stop.
OK, now to the more efficient O(N log N) solution:
Let S[pos] be defined as the smallest integer that ends an increasing sequence of length pos. Now iterate through every integer X of the input set and do the following:
If X &...
What is the volatile keyword useful for?
...ome code continues a loop. The loop tests the volatile value and continues if it is true. The condition can be set to false by calling a "stop" method. The loop sees false and terminates when it tests the value after the stop method completes execution.
The book "Java Concurrency in Practice," whic...
How do I import CSV file into a MySQL table?
... -p Database \
TableName.csv
I found it at http://chriseiffel.com/everything-linux/how-to-import-a-large-csv-file-to-mysql/
To make the delimiter a tab, use --fields-terminated-by='\t'
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Better way to sum a property value in an array
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thanks @sp00m now I have changed my implementation with array.reduce just like gruff-bunny answered.
– nramirez
Apr 23 '14 at 18:49
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Preserve Line Breaks From TextArea When Writing To MySQL
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I believe UTF-8 is now the default in PHP. But of course it doesn't hurt to be explicit.
– ProfileTwist
Jan 9 '14 at 20:20
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How to get current path with query string using Capybara
...ests for a legacy application. Using current_path.should == is working for now (though I need to add a trailing forward-slash as a string). I'm thanking you in advance for code I'll likely need.
– Tass
Aug 19 '11 at 21:16
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Storing SHA1 hash values in MySQL
...es just 4 bit per character and thus would need 160/4 = 40 characters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BIN...
What are “connecting characters” in Java identifiers?
...t i = Character.MIN_CODE_POINT; i <= Character.MAX_CODE_POINT; i++)
if (Character.isJavaIdentifierStart(i) && !Character.isAlphabetic(i))
System.out.print((char) i + " ");
}
prints
$ _ ¢ £ ¤ ¥ ؋ ৲ ৳ ৻ ૱ ௹ ฿ ៛ ‿ ⁀ ⁔ ₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ...
How should I pass multiple parameters to an ASP.Net Web API GET?
...If record marking has another purpose, POST is the way to go. User should know, that his actions effect the system and POST method is a warning.
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