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How to create a file in Android?
How to create a file, write data into it and read data from it on Android? If possible provide a code snippet.
4 Answers
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How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
pr...
How do I read an attribute on a class at runtime?
I am trying to create a generic method that will read an attribute on a class and return that value at runtime. How do would I do this?
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...s where there is a cascade save between object A and B, but object B has already been associated with the session but is not on the same instance of B as the one on A.
What primary key generator are you using?
The reason I ask is this error is related to how you're telling hibernate to ascertain ...
How can I use pickle to save a dict?
...': 'bar'}
mpu.io.write('filename.pickle', data)
unserialized_data = mpu.io.read('filename.pickle')
Alternative Formats
CSV: Super simple format (read & write)
JSON: Nice for writing human-readable data; VERY commonly used (read & write)
YAML: YAML is a superset of JSON, but easier to rea...
Reading string from input with space character? [duplicate]
...and I'm also using Geany and CodeBlock as my IDE.
What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
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How does Hadoop process records split across block boundaries?
...bytesRemaining -= splitSize;
}
After that, if you look at the LineRecordReader which is defined by the TextInputFormat, that's where the lines are handled:
When you initialize your LineRecordReader it tries to instantiate a LineReader which is an abstraction to be able to read lines over FSData...
Difference between
...ber> foo3 = new ArrayList<Double>(); // Double extends Number
Reading - Given the above possible assignments, what type of object are you guaranteed to read from List foo3:
You can read a Number because any of the lists that could be assigned to foo3 contain a Number or a subclass of ...
Check if object is file-like in Python
...e objects are objects in Python that behave like a real file, e.g. have a read() and a write method(), but have a different implementation. It is and realization of the Duck Typing concept.
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Saving and Reading Bitmaps/Images from Internal memory in Android
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2.You will have to give the image name by which you want to save it.
To Read the file from internal memory. Use below code
private void loadImageFromStorage(String path)
{
try {
File f=new File(path, "profile.jpg");
Bitmap b = BitmapFactory.decodeStream(new FileInputStream(...