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Android: How can I validate EditText input?
...lidated, I think the following shall suit you :
Your activity implements android.text.TextWatcher interface
You add TextChanged listeners to you EditText boxes
txt1.addTextChangedListener(this);
txt2.addTextChangedListener(this);
txt3.addTextChangedListener(this);
Of the overridden methods, y...
Site does not exist error for a2ensite
... Weird! This used to work fine without an extension in Ubuntu 12.04 and 12.10.
– FloatingRock
Mar 26 '14 at 11:21
...
Pandas conditional creation of a series/dataframe column
...color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 ...
Forcing a WPF tooltip to stay on the screen
I have a tooltip for a Label and I want it to stay open until the user
moves the mouse to a different control.
10 Answers
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Git submodule add: “a git directory is found locally” issue
...ually trying to learn how to use git, including the git submodule subcommands.
I already set up a server on which I can host, push and pull git repositories by using SSH.
I created a main git repository "Travail" on this server in which I would like to put all my projects as submodules.
...
How do I remove repeated elements from ArrayList?
I have an ArrayList<String> , and I want to remove repeated strings from it. How can I do this?
38 Answers
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Turn off autosuggest for EditText?
... research until I found it out myself.
Add this line into your EditText.
android:inputType="textFilter"
Here is a Tip. Use this line if you want to be able to use the "enter" key.
android:inputType="textFilter|textMultiLine"
...
How to find an available port?
...nt to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
...
How do I trigger the success callback on a model.save()?
The model is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ?
...
How do I run a node.js app as a background service?
...means forever, monit, PM2, etc are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Service]
ExecStart=/var/www/myapp/app.js
Restart=always
User=nobody
# Note Debian/Ubuntu uses 'n...