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SQL statement to select all rows from previous day
...rom one table. The table holds one datetime column. I am using SQL Server 2005.
11 Answers
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ke a look at cat /proc/stat
grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for so...
How to print a percentage value in python?
...supports a percentage floating point precision type:
>>> print "{0:.0%}".format(1./3)
33%
If you don't want integer division, you can import Python3's division from __future__:
>>> from __future__ import division
>>> 1 / 3
0.3333333333333333
# The above 33% example wo...
List of encodings that Node.js supports
...16le/utf-16le
utf8/utf-8
binary/latin1 (ISO8859-1, latin1 only in node 6.4.0+)
If you are using an older version than 6.4.0, or don't want to deal with non-Unicode encodings, you can recode the string:
Use iconv-lite to recode files:
var iconvlite = require('iconv-lite');
var fs = require('fs');...
Getting list of lists into pandas DataFrame
...ctly:
df = pd.DataFrame(table, columns=headers)
df
Heading1 Heading2
0 1 2
1 3 4
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Standardize data columns in R
...have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 An...
How does a UILabel's minimumScaleFactor work?
...
205
You need to set the label.adjustsFontSizeToFitWidth = YES;
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
...
10 Answers
10
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Parse (split) a string in C++ using string delimiter (standard C++)
...>=tiger";
std::string delimiter = ">=";
std::string token = s.substr(0, s.find(delimiter)); // token is "scott"
The find(const string& str, size_t pos = 0) function returns the position of the first occurrence of str in the string, or npos if the string is not found.
The substr(size_t p...
How to split a delimited string into an array in awk?
...
Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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