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What is “android:allowBackup”?
...cation data off of the device. Once backed up, all application data can be read by the user. adb restore allows creation of application data from a source specified by the user. Following a restore, applications should not assume that the data, file permissions, and directory permissions were create...
How to read the value of a private field from a different class in Java?
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Try FieldUtils from apache commons-lang3:
FieldUtils.readField(object, fieldName, true);
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OpenSSL and error in reading openssl.conf file
...ine but I was using that command in the openssl.exe instead of cmd.exe.. I read your comment and went to cmd.exe and typed the set command there instead. It worked correctly but I was still getting the same error in the openssl.exe saying "Unable to load config info from wrong_path/ssl/openssl.cnf" ...
Volatile vs Static in Java
...value for all objects and volatile means one copy of the value for all threads?
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onchange event on input type=range is not triggering in firefox while dragging
...his.value)" onchange="showVal(this.value)">
Check out this Bugzilla thread for more information.
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Provide an image for WhatsApp link sharing
...tter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps or websites use cache or even store the website preview to their database. This means when you'r...
How to read the database table name of a Model instance?
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What is the fastest way to create a checksum for large files in C#
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The problem here is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO.
To speed things up (2 minutes for hashing 2 Gb f...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
I've just read on the net about a newly discovered security vulnerability in ASP.NET. You can read the details here.
10 An...
Why doesn't 'ref' and 'out' support polymorphism?
...ionships.
Now suppose you have a method void M(ref Mammal m). M can both read and write m.
Can you pass a variable of type Animal to M?
No. That variable could contain a Turtle, but M will assume that it contains only Mammals. A Turtle is not a Mammal.
Conclusion 1: ref parameters cann...