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How do I convert Long to byte[] and back in java
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public static byte[] longToBytes(long x) {
buffer.putLong(0, x);
return buffer.array();
}
public static long bytesToLong(byte[] bytes) {
buffer.put(bytes, 0, bytes.length);
buffer.flip();//need flip
return buffer.getLong();
}
}
Since...
Medium-size Clojure sample application?
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answered Dec 14 '09 at 16:48
macmac
9,33644 gold badges3131 silver badges5151 bronze badges
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How to add new elements to an array?
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408
The size of an array can't be modified. If you want a bigger array you have to instantiate a ne...
how to remove untracked files in Git?
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answered Nov 20 '11 at 9:35
manojldsmanojlds
248k5454 gold badges425425 silver badges395395 bronze badges
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Use latest version of Internet Explorer in the webbrowser control
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// Check if key is already present
if (FindAppkey == "8000")
{
MessageBox.Show("Required Application Settings Present");
Regkey.Close();
return;
}
// If a key is not present add the key, Key value 8000 (decimal)
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What does denote in C# [duplicate]
...erse<T>(T[] array)
{
var result = new T[array.Length];
int j=0;
for(int i=array.Length - 1; i>= 0; i--)
{
result[j] = array[i];
j++;
}
return result;
}
reverses the elements in an array. The key point here is that the array elements can be of any t...
MongoDB or CouchDB - fit for production? [closed]
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I'm the CTO of 10gen (developers of MongoDB) so I'm a bit biased, but I also manage a few sites that are using MongoDB in production.
businessinsider has been using mongo in production for over a year now. They are using it for everything ...
Download multiple files with a single action
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60
HTTP does not support more than one file download at once.
There are two solutions:
Open x am...
java.util.regex - importance of Pattern.compile()?
... that all .NET Regex objects are cached, which is incorrect. Since .NET 2.0, automatic caching occurs only with static methods like Regex.Matches(), not when you call a Regex constructor directly. ref)
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SQL: IF clause within WHERE clause
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Sep 17 '08 at 21:26
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