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Alexandro Hill

Answers by Alexandro Hill

how to add red color badges(notification count) overlay like facebook in android?

View target = findViewById(R.id.target_view); BadgeView badge = new BadgeView(this, target); badge.setText("1"); badge.show(); Go to H...

Matplotlib - color under curve based on spectral color?

First of all you would need a function that takes the wavelength as input and returns an RGB color. Such a function can be found here. One...

PHP : settings memory_limits > 1024M does not work?

How are you trying to set the memory limit? phpinfo() shows current PHP reserved memory limit, this is what is available due to php.ini ha...

Pandas Replace NaN with blank/empty string?

import numpy as np df1 = df.replace(np.nan, '', regex=True) This might help. It will replace all NaNs with an empty string. ...

XSLT Date function?

To convert a ISO-8601 dateTime to a date in MM-DD-YYYY format using XSLT 1.0, you can do: <xsl:value-of select="substring($mdate, 6, 2...

How do I parse JSON with Ruby on Rails? [duplicate]?

These answers are a bit dated. Therefore I give you: hash = JSON.parse string Rails should automagically load the json module for you, ...

char initial value in Java?

Typically for local variables I initialize them as late as I can. It's rare that I need a "dummy" value. However, if you do, you can use a...

Footable along with Angular.js?

To add to Daniel Stucki's answer, instead of adding each individual row each time ng-repeat executes, you can wait until ng-repeat is fini...

Remove ^H and ^M characters from a file using Linux shell scripting?

What you're seeing there are control characters, you simply could delete them with tr cat your_file | tr -d '\b\r' this is better: tr ...

Twitter Bootstrap - Making CSS Icons bigger?

It's not going to look as nice as using FontAwesome (which is an actual font), but you can scale glyphicons using the background-size prop...

Updating UI from different threads in JavaFX?

Not sure if I completely understand, but I think this may help. Using Platform.runLater(...) is an appropriate approach for this. The tr...

Adding items to a JComboBox?

Wrap the values in a class and override the toString() method. class ComboItem { private String key; private String value; p...

How to increase an array's length?

I would suggest you use an ArrayList as you won't have to worry about the length anymore. Once created, you can't modify an array size: ...

Apache Spark or Cascading framework? [closed]?

At heart, Cascading is a higher-level API on top of execution engines like MapReduce. It is analogous to Apache Crunch in this sense. Casc...

Difference between back tracking and dynamic programming?

There are two typical implementations of Dynamic Programming approach: bottom-to-top and top-to-bottom. Top-to-bottom Dynamic Programming...