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Drawable image on a canvas
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179
The good way to draw a Drawable on a canvas is not decoding it yourself but leaving it to the ...
Virtualbox “port forward” from Guest to Host [closed]
...t and find out the ip address:
ifconfig
example of result (ip address is 10.0.2.15):
eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
Go to Vbox instance window -> Menu -> Network adapters:
adapter should be NAT
cli...
Subscripts in plots in R
...w to write subscripts in the title or the subtitle in R.
How can I write v 1,2 with 1,2 as subscripts?
6 Answers
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add a string prefix to each value in a string column using Pandas
...gt;>> df = pd.DataFrame({'col':['a',0]})
>>> df
col
0 a
1 0
>>> df['col'] = 'str' + df['col'].astype(str)
>>> df
col
0 stra
1 str0
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int value under 10 convert to string two digit number
in here, if i = 1 then ToString yields "1"
6 Answers
6
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Check for array not empty: any?
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251
any? isn't the same as not empty? in some cases.
>> [nil, 1].any?
=> true
>> [ni...
Why doesn't indexOf work on an array IE8?
...efox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
7 Answers
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What is a method that can be used to increment letters?
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14 Answers
14
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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Is it safe to use -1 to set all bits to true?
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155
I recommend you to do it exactly as you have shown, since it is the most straight forward one....