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check if variable is dataframe
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cs95
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answered Feb 11 '13 at 9:23
Jakub M.Jakub...
Unable to forward search Bash history similarly as with CTRL-r
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326
You can search forward as well. From the bash info manual, "8.2.5 Searching for Commands in th...
What is the most “pythonic” way to iterate over a list in chunks?
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36 Answers
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how to check if List element contains an item with a Particular Property Value
...out
– Haithem KAROUI
Sep 17 '14 at 13:36
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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...ow api keys and secret keys work. Just 2 days ago I signed up for Amazon S3 and installed the S3Fox Plugin . They asked me for both my Access Key and Secret Access Key, both of which require me to login to access.
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Load HTML file into WebView
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351
The easiest way would probably be to put your web resources into the assets folder then call:
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Difference between timestamps with/without time zone in PostgreSQL
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3 Answers
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Bash array with spaces in elements
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Any of these declarations of $FILES should work:
FILES=(2011-09-04\ 21.43.02.jpg
2011-09-05\ 10.23.14.jpg
2011-09-09\ 12.31.16.jpg
2011-09-11\ 08.43.12.jpg)
or
FILES=("2011-09-04 21.43.02.jpg"
"2011-09-05 10.23.14.jpg"
"2011-09-09 12.31.16.jpg"
"2011-09-11 08.43.12.jpg")
or
FILES[0]="2011-0...
UTF-8: General? Bin? Unicode?
...d the following post from MySQL forums:
http://forums.mysql.com/read.php?103,187048,188748
As for utf8_bin:
Both utf8_general_ci and utf8_unicode_ci perform case-insensitive comparison. In constrast, utf8_bin is case-sensitive (among other differences), because it compares the binary values of the ...
What does @@variable mean in Ruby?
...alue}" # 2
a = AnotherTest.new
puts "a.value is #{a.value}" # 2
a.value = 3
puts "a.value is #{a.value}" # 3
puts "t.value is #{t.value}" # 3
puts "x.value is #{x.value}" # 3
You can see that @@shared is shared between the classes; setting the value in an instance of one changes the value for all...