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ignoring any 'bin' directory on a git project
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1870
Before version 1.8.2, ** didn't have any special meaning in the .gitignore. As of 1.8.2 git su...
Use of 'use utf8;' gives me 'Wide character in print'
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Without use utf8 Perl interprets your string as a sequence of single byte characters. There are four bytes in your string as you can see from this:
$ perl -E 'say join ":", map { ord } split //, "鸡\n";'
233:184:161:10
The first three b...
How to execute maven plugin execution directly from command line?
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This functionality has been implemented as MNG-5768, and is available in Maven 3.3.1.
The change will:
extend direct plugin invocation syntax to allow optional @execution-id parameter, e.g., org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process@executionId....
UnicodeDecodeError, invalid continuation byte
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In binary, 0xE9 looks like 1110 1001. If you read about UTF-8 on Wikipedia, you’ll see that such a byte must be followed by two of the form 10xx xxxx. So, for example:
>>> b'\xe9\x80\x80'.decode('utf-8')
u'\u9000'
But that’s just the mechanical cause of the exception. ...
Is there a date format to display the day of the week in java?
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328
This should display 'Tue':
new SimpleDateFormat("EEE").format(new Date());
This should displa...
React.js: Wrapping one component into another
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8
Or you can use a Higher-Order Component :) stackoverflow.com/a/31564812/82609
– Sebastien Lorber
Jul ...
How to copy in bash all directory and files recursive?
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298
cp -r ./SourceFolder ./DestFolder
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builder for HashMap
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answered May 30 '19 at 18:11
PshemoPshemo
109k1818 gold badges159159 silver badges232232 bronze badges
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Assign pandas dataframe column dtypes
...= pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-05-01
1 b 2 2018-05-02
You can apply these to each column you want to convert:
df["y"] = ...
How do you make lettered lists using markdown?
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88
It doesn't appear that standard Markdown has this capability. You can:
Use CSS, by putting thi...