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Replace None with NaN in pandas dataframe
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You can use DataFrame.fillna or Series.fillna which will replace the Python object None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol.f...
How do I create a directory from within Emacs?
How exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 An...
How to add a WiX custom action that happens only on uninstall (via MSI)?
...e and the values they have for various installation scenarios:
So in my case I wanted a CA that will run only on uninstalls - not upgrades, not repairs or modifies. According to the table above I had to use
<Custom Action='CA_ID' Before='other_CA_ID'>
(NOT UPGRADINGPRODUCTCODE) AN...
Search for selection in vim
...myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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Force Screen On
...t is far, far better to use the window flag FLAG_KEEP_SCREEN_ON, which you can enable on your activity's window in your onCreate() like this:
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
T...
Turn off spell checking in Eclipse for good
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It's not a perfect fix, but you can copy existing workspace preferences into any workspace. I keep a separate .epf (Eclipse preferences file, I guess) that I just import into every new workspace I create:
File → Import... → General → Preferences → N...
How to convert ActiveRecord results into an array of hashes
...records = TaskStoreStatus.all
tasks_records = tasks_records.as_json
# You can now add new records and return the result as json by calling `to_json`
tasks_records << TaskStoreStatus.last.as_json
tasks_records << { :task_id => 10, :store_name => "Koramanagala", :store_region =>...
Is it possible for a unit test to assert that a method calls sys.exit()
I have a python 2.7 method that sometimes calls
4 Answers
4
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How to use android emulator for testing bluetooth application?
I am developing an application which will send a request to a bluetooth printer for printing. The code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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How do I use WebRequest to access an SSL encrypted site using https?
... may be providing urls to sites that have invalid SSL certs installed. You can ignore those cert problems if you put this line in before you make the actual web request:
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(AcceptAllCe...