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Minimum and maximum date
...e values leap seconds are ignored. It is assumed that there are exactly 86,400,000 milliseconds per day. ECMAScript Number values can represent all integers from –9,007,199,254,740,992 to 9,007,199,254,740,992; this range suffices to measure times to millisecond precision for any instant that is w...
Is PHP's count() function O(1) or O(n) for arrays?
...
John Carter
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answered Apr 29 '11 at 17:42
Vladislav Ra...
GridLayout and Row/Column Span Woe
...ton
android:layout_gravity="fill_vertical"
android:layout_rowSpan="4"
android:text="3" />
<Button
android:layout_columnSpan="3"
android:layout_gravity="fill"
android:layout_rowSpan="2"
android:text="4" />
<Button
android:layout_columnSpan="3"
android...
Why can't R's ifelse statements return vectors?
...s, you will get longer results:
> ifelse(c(TRUE, FALSE), c(1, 2), c(3, 4))
[1] 1 4
So ifelse is intended for the specific purpose of testing a vector of booleans and returning a vector of the same length, filled with elements taken from the (vector) yes and no arguments.
It is a common confus...
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
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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...
Change one value based on another value in pandas
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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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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...