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A list of indices in MongoDB?
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answered May 7 '10 at 22:52
mdirolfmdirolf
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PostgreSQL Connection URL
...ser:secret@localhost
postgresql://other@localhost/otherdb?connect_timeout=10&application_name=myapp
postgresql://localhost/mydb?user=other&password=secret
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Can I install the “app store” in an IOS simulator?
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WrightsCSWrightsCS
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How do I delete a fixed number of rows with sorting in PostgreSQL?
...d IN (
SELECT ctid
FROM logtable
ORDER BY timestamp
LIMIT 10
)
The ctid is:
The physical location of the row version within its table. Note that although the ctid can be used to locate the row version very quickly, a row's ctid will change if it is updated or moved by VACUUM FU...
What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
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edited Jun 20 at 9:12
Community♦
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answered May 24 '13 at 9:45
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Strange \n in base64 encoded string in Ruby
...at confusing, the b64encode method is supposed to add a newline for every 60th character, and the example for the encode64 method is actually using the b64encode method.
It seems the pack("m") method for the Array class used by encode64 also adds the newlines. I would consider it a design bug that ...
Java code To convert byte to Hexadecimal
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byte[] bytes = {-1, 0, 1, 2, 3 };
StringBuilder sb = new StringBuilder();
for (byte b : bytes) {
sb.append(String.format("%02X ", b));
}
System.out.println(sb.toString());
// prints "FF 00 01 02 03 "
See also
java...
How to put a label on an issue in GitHub if you are not a contributor / owner?
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edited Feb 4 '16 at 11:04
answered Dec 11 '12 at 22:22
N...
Convert list to array in Java [duplicate]
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1103
Either:
Foo[] array = list.toArray(new Foo[0]);
or:
Foo[] array = new Foo[list.size()];
lis...
Download file from web in Python 3
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+50
If you want to obtain the contents of a web page into a variable, just read the response of urllib.request.urlopen:
import urllib.requ...