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How to list files in an android directory?

... In order to access the files, the permissions must be given in the manifest file. <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> Try this: String path = Environment.getExternalStorageDirectory().toString()+"/P...
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Hiding the legend in Google Chart

... This is exactly what i was looking for, remove all legends etc, work on visualization version 1 "google.load("visualization", "1", { packages: ["bar"] });" – Vasil Valchev Jun 10 '15 at 12:23 ...
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@Nullable annotation usage

...lable third parties like API callers, database records, former programmers etc... so I am paranoid and defensive in approaches. Since you are on Java8 or later there is a bit cleaner approach than an if block. public String foo(@Nullable String mayBeNothing) { return Optional.ofNullable(mayBeNot...
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How to erase the file contents of text file in Python?

I have text file which I want to erase in Python. How do I do that? 12 Answers 12 ...
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What is the difference between a symbolic link and a hard link?

... Underneath the file system, files are represented by inodes. (Or is it multiple inodes? Not sure.) A file in the file system is basically a link to an inode. A hard link, then, just creates another file with a link to the same underlying ...
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What are .dex files in Android?

I have some questions regarding dex files 3 Answers 3 ...
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SQL Server IN vs. EXISTS Performance

...ntil you see how the optimizer factors in all the other aspects of indexes etc., you really will never know. share | improve this answer | follow | ...
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How to read a file in Groovy into a string?

I need to read a file from the file system and load the entire contents into a string in a groovy controller, what's the easiest way to do that? ...
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Why does Google +1 record my mouse movements? [closed]

... how quickly users move from one UI item to another, how often clicks miss etc. I normally have a deeply cynical view of invasive features but I don't think this is a privacy risk. It's shocking because it's so unusually fine-grained, but it's not very revealing. Does your mouse movement encode ban...
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how to show lines in common (reverse diff)?

I have a series of text files for which I'd like to know the lines in common rather than the lines which are different between them. Command line unix or windows is fine. ...