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How to find the size of an array in postgresql
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4 Answers
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CSS last-child(-1)
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answered Feb 10 '12 at 12:41
BoltClock♦BoltClock
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Is PHP's count() function O(1) or O(n) for arrays?
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John Carter
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answered Apr 29 '11 at 17:42
Vladislav Ra...
comparing 2 strings alphabetically for sorting purposes
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124
Lets look at some test cases - try running the following expressions in your JS console:
"a" &l...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...oded data starts and ends with the tags:
-----BEGIN PRIVATE KEY-----
BASE64 ENCODED DATA
-----END PRIVATE KEY-----
Within the base64 encoded data the following DER structure is present:
PrivateKeyInfo ::= SEQUENCE {
version Version,
algorithm AlgorithmIdentifier,
PrivateK...
Abort makefile if variable not set
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edited Feb 15 '19 at 11:04
answered Jun 1 '12 at 22:57
Eld...
Why do some C# lambda expressions compile to static methods?
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edited Sep 1 '14 at 10:48
answered Sep 1 '14 at 10:43
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Create Pandas DataFrame from a string
...StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
3;4.7;65
4;3.2;140
""")
df = pd.read_csv(TESTDATA, sep=";")
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