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Split by comma and strip whitespace in Python
...
The original was copy-pasted from a REPL (if I remember correctly) and the goal was understanding of the underlying concept (using list comprehension to perform an operation) - but you're right, it makes more sense if you see that list comprehension prod...
Anonymous recursive PHP functions
...ght not be a simple approach, but I learned about a technique called "fix" from functional languages. The fix function from Haskell is known more generally as the Y combinator, which is one of the most well-known fixed point combinators.
A fixed point is a value that is unchanged by a function: a ...
update package.json version automatically
...an alternative I recommend grunt-bump. It is maintained by one of the guys from angular.js.
Usage:
grunt bump
>> Version bumped to 0.0.2
grunt bump:patch
>> Version bumped to 0.0.3
grunt bump:minor
>> Version bumped to 0.1.0
grunt bump
>> Version bumped to 0.1.1
grunt b...
What is the purpose of Serialization in Java?
...iles are simple: words!
Now for each project, I needed to read the words from each of these files and put them into different arrays; as the contents of the file never changed, it became a common, however redundant, task after the first project.
So, what I did is that I created one object to rea...
How can I match a string with a regex in Bash?
...p on BSD tar to explicitly tell it to automatically infer compression type from extension. GNU tar will not do it automatically otherwise, and I'm guessing from @GoodPerson 's comment that BSD tar does do it by default.
– Mark K Cowan
Apr 7 '17 at 19:42
...
Android Crop Center of Bitmap
...ail(bitmap, dimension, dimension, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
From: ThumbnailUtils Documentation
public static Bitmap extractThumbnail (Bitmap source, int width, int
height)
Added in API level 8 Creates a centered bitmap of the desired size.
Parameters source original bi...
How can I split a JavaScript string by white space or comma?
...alue to a boolean - true or false. Thus, any falsy values will be filtered from the array, including empty strings.
– jonschlinkert
Feb 9 '17 at 18:18
1
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Converting pixels to dp
... @MuhammadBabar This is because 160 dpi (mdpi) is the baseline desity from which other densities are calculated. hdpi for instance is considered to be 1.5x the density of mdpi which is really just another way of saying 240 dpi. See Zsolt Safrany's answer below for all densities.
...
How to implement an android:background that doesn't stretch?
...then you will need to force the scaling in the button to prevent the image from stretching.
Code:
onCreate(Bundle bundle) {
// Set content layout, etc up here
// Now adjust button sizes
Button b = (Button) findViewById(R.id.somebutton);
int someDimension = 50; //50pixels
b.setWidth(some...
How to print out all the elements of a List in Java?
...nt NullPointerException for trying this example
// Print the name from the list....
for(Model model : models) {
System.out.println(model.getName());
}
// Or like this...
for(int i = 0; i < models.size(); i++) {
System.out.println(m...