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Clear Application's Data Programmatically
...n API 19 (KitKat):
ActivityManager.clearApplicationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); //...
ListView inside ScrollView is not scrolling on Android
... one ListView each. When the EditText views are focused, the soft keyboard comes up and as I have a ScrollView, the content is scrollable. But the problem comes when there are more items in ListViews (ones in tabs), I am not able to scroll the ListView, even if there are more items.
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How do I choose between Tesseract and OpenCV? [closed]
...agraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision library that includes features that let you perform some feature extraction and data classification. You can create a simple letter segmenter and classifier that performs basic OCR, but it is not a very good O...
image processing to improve tesseract OCR accuracy
...no dark part of image)
binarize and de-noise image
There is no universal command line that would fit to all cases (sometimes you need to blur and sharpen image). But you can give a try to TEXTCLEANER from Fred's ImageMagick Scripts.
If you are not fan of command line, maybe you can try to use ope...
How do I programmatically change file permissions?
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In earlier versions of Java, using native code of your own, or exec-ing command-line utilities are common approaches.
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How do I build a graphical user interface in C++? [closed]
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I found a website with a "simple" tutorial:
http://www.winprog.org/tutorial/start.html
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Converting between java.time.LocalDateTime and java.util.Date
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Everything is here : http://blog.progs.be/542/date-to-java-time
The answer with "round-tripping" is not exact : when you do
LocalDateTime ldt = LocalDateTime.ofInstant(instant, ZoneOffset.UTC);
if your system timezone is not UTC/GMT, you cha...
How to move an element into another element?
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gitosis vs gitolite? [closed]
...-shell
Create repos on the server
start git pull/pushing to git@yourserver.com
The only difference between using a dedicated git user and not, is that if you setup the git user to use git-shell it won't allow itself to do anything else. In terms of acting as a git server though, it's identical to ...
How to get the start time of a long-running Linux process?
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You can specify a formatter and use lstart, like this command:
ps -eo pid,lstart,cmd
The above command will output all processes, with formatters to get PID, command run, and date+time started.
Example (from Debian/Jessie command line)
$ ps -eo pid,lstart,cmd
PID CMD ...