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How to write a switch statement in Ruby
... when 41..60 then "Pass"
when 61..70 then "Pass with Merit"
when 71..100 then "Pass with Distinction"
else "Invalid Score"
end
puts result
On around page 123 of The Ruby Programming Language (1st Edition, O'Reilly) on my Kindle, it says the then keyword following the when clauses can be ...
In which case do you use the JPA @JoinTable annotation?
...in my database. Why ?
– MaikoID
Dec 12 '12 at 20:42
UPDATE There aren't duplicates entries in my database, the hiberna...
Uses of content-disposition in an HTTP response header
....FileName = "myFile.txt";
cd.ModificationDate = DateTime.UtcNow;
cd.Size = 100;
Response.AppendHeader("content-disposition", cd.ToString());
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How to round the minute of a datetime object
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See this to understand the problem: datetime.timedelta(100,1,2,3).seconds == 1
– CPBL
Dec 8 '16 at 18:49
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SparseArray vs HashMap
...ere is an example of SparseIntArray vs HashMap<Integer, Integer> for 1000 elements:
SparseIntArray:
class SparseIntArray {
int[] keys;
int[] values;
int size;
}
Class = 12 + 3 * 4 = 24 bytes
Array = 20 + 1000 * 4 = 4024 bytes
Total = 8,072 bytes
HashMap:
class HashMap<K, V...
How to conclude your merge of a file?
...
@johndpope power("tnx", 100)
– knagode
Feb 17 '14 at 12:50
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How can I modify the size of column in a MySQL table?
...
@Flimm - just a pointer, if you have a VARCHAR(100) and you change it to VARCHAR(50) it will cut any existing data from columns. As per this specific question though, making a column larger won't have an issue with the data.
– Warren Sergent
...
Number of lines in a file in Java
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Benchmark resuls for a 1.3GB text file, y axis in seconds. I've performed 100 runs with the same file, and measured each run with System.nanoTime(). You can see that countLinesOld has a few outliers, and countLinesNew has none and while it's only a bit faster, the difference is statistically signif...
Build an ASCII chart of the most commonly used words in a given text [closed]
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123
votes
LabVIEW 51 nodes, 5 structures, 10 diagrams
Teaching the elephant to tap-d...
Is Redis just a cache?
... for the most recent 25 questions.
$ lrange questions 0 24
1) "question:100"
2) "question:99"
3) "question:98"
4) "question:97"
5) "question:96"
...
25) "question:76"
Now that you have the ids, retrieve items from Redis using pipelining and show them to the user.
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