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Assign pandas dataframe column dtypes
...ated in 0.17)
df = 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 co...
How to find the operating system version using JavaScript?
...onsole.log(navigator);
You'll see something like this
# platform = Win32
# appCodeName = Mozilla
# appName = Netscape
# appVersion = 5.0 (Windows; en-US)
# language = en-US
# mimeTypes = [object MimeTypeArray]
# oscpu = Windows NT 5.1
# vendor = Firefox
# vendorSub = 1.0.7
# product = Gecko
# pr...
adding directory to sys.path /PYTHONPATH
...
182
This is working as documented. Any paths specified in PYTHONPATH are documented as normally com...
Yes/No message box using QMessageBox
...n Qt 4 and 5, requires QT += widgets on Qt 5, and CONFIG += console on Win32 to see qDebug() output.
See the StandardButton enum to get a list of buttons you can use; the function returns the button that was clicked. You can set a default button with an extra argument (Qt "chooses a suitable defaul...
Compare dates in MySQL
I want to compare a date from a database that is between 2 given dates.
The column from the database is DATETIME, and I want to compare it only to the date format, not the datetime format.
...
How to access a preexisting collection with Mongoose?
...
256
Mongoose added the ability to specify the collection name under the schema, or as the third ar...
Why is 'this' a pointer and not a reference?
...
2 Answers
2
Active
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throw checked Exceptions from mocks with Mockito
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235
Check the Java API for List.
The get(int index) method is declared to throw only the IndexOutO...
How to add multiple files to Git at the same time
...
124
To add all the changes you've made:
git add .
To commit them:
git commit -m "MY MESSAGE HERE...
Hexadecimal To Decimal in Shell Script
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323
To convert from hex to decimal, there are many ways to do it in the shell or with an external p...