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What text editor is available in Heroku bash shell? [closed]
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Perfect. Now I can edit configs as needed
– Felipe
Jan 20 '18 at 4:56
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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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Why does this Java code compile?
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int x = x + 1;
first we need to compute x+1 but the value of x is not known so you get an error (the compiler knows that the value of x is not known)
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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...
Rails: How does the respond_to block work?
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No kidding. If you already know how to code, rails might not be for you :-P
– Limited Atonement
Sep 15 at 15:46
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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...
C# Sanitize File Name
... was about paths, not filenames, and the invalid characters for these are different.
– Dour High Arch
Jun 2 '09 at 21:04
15
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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
$ _ ¢ £ ¤ ¥ ؋ ৲ ৳ ৻ ૱ ௹ ฿ ៛ ‿ ⁀ ⁔ ₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ...
Nested defaultdict of defaultdict
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One note. If you are trying to use this code while pickling lambda won't work.
– Viacheslav Kondratiuk
Apr 3 '17 at 11:52
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sql “LIKE” equivalent in django query
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