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Delete the first three rows of a dataframe in pandas
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281
Use iloc:
df = df.iloc[3:]
will give you a new df without the first three rows.
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How to get multiple select box values using jQuery?
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Michael B.
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answered Jul 14 '10 at 5:09
Pranay RanaPranay ...
Only read selected columns
..."NULL", 6)),
+ header = TRUE)
Year Jan Feb Mar Apr May Jun
1 2009 -41 -27 -25 -31 -31 -39
2 2010 -41 -27 -25 -31 -31 -39
3 2011 -21 -27 -2 -6 -10 -32
Change "integer" to one of the accepted types as detailed in ?read.table depending on the real type of data.
data.txt looks like th...
Code for decoding/encoding a modified base64 URL
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edited Aug 4 '09 at 21:36
answered Aug 4 '09 at 17:06
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Is there a decorator to simply cache function return values?
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207
Starting from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typ...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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edited Dec 22 '14 at 22:36
answered Jan 19 '12 at 2:16
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Check Whether a User Exists
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295
You can also check user by id command.
id -u name gives you the id of that user.
if the user d...
Manipulating an Access database from Java without ODBC
...;/version>
</dependency>
</dependencies>
Option 2: Manually adding the JARs to your project
As mentioned above, UCanAccess requires Jackcess and HSQLDB. Jackcess in turn has its own dependencies. So to use UCanAccess you will need to include the following components:
UCa...
jQuery: Best practice to populate drop down?
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edited Dec 2 '17 at 19:40
João Pimentel Ferreira
7,29333 gold badges4040 silver badges5353 bronze badges
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How to use jQuery in chrome extension?
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128
You have to add your jquery script to your chrome-extension project and to the background secti...