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How do I compare two string variables in an 'if' statement in Bash? [duplicate]
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answered Nov 25 '10 at 13:49
moinudinmoinudin
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How do I remove a property from a JavaScript object?
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Adding external library in Android studio
... Machado
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answered Sep 1 '14 at 19:46
malcubierremalcubierre
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How to change the default encoding to UTF-8 for Apache?
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answered May 27 '09 at 4:11
MartinodFMartinodF
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Argument list too long error for rm, cp, mv commands
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edited May 21 '18 at 16:34
Triforcey
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answered Jul 2 '12 at 7:44
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Delete the first three rows of a dataframe in pandas
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answered May 6 '13 at 12:04
bdiamantebdiamante
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How to check if a string starts with a specified string? [duplicate]
... the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http"
If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com.
substr( $string_n, 0, 7 ) === "http://"
And in ge...
How to insert an item at the beginning of an array in PHP?
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284
Use array_unshift($array, $item);
$arr = array('item2', 'item3', 'item4');
array_unshift($arr ,...
Error in plot.new() : figure margins too large, Scatter plot
...s you can first check par("mar") output. You should be getting:
[1] 5.1 4.1 4.1 2.1
To change that write:
par(mar=c(1,1,1,1))
This should rectify the error. Or else you can change the values accordingly.
Hope this works for you.
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Why are hexadecimal numbers prefixed with 0x?
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