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cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
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Most common way of writing a HTML table with vertical headers?
...tain an equal number of columns (TD). Your header has 1 while the body has 3. You should use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, the first option is t...
How I can delete in VIM all text from current line to end of file?
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370
dG will delete from the current line to the end of file
dCtrl+End will delete from the cursor...
Reference — What does this symbol mean in PHP?
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edited Nov 12 '18 at 8:39
community wiki
16 ...
twitter bootstrap navbar fixed top overlapping site
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534
Your answer is right in the docs:
Body padding required
The fixed navbar will overlay your oth...
How can I check the system version of Android?
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13 Answers
13
Active
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Mongodb Explain for Aggregation framework
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3 Answers
3
Active
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Array initializing in Scala
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143
scala> val arr = Array("Hello","World")
arr: Array[java.lang.String] = Array(Hello, World)
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Pandas count(distinct) equivalent
...ple:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nunique()
Out[3]:
YEARM...