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How to delete SQLite database from Android programmatically

...like to delete the database file from the Android file system programatically? Can I have a shell script launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)? ...
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Objective-C: Reading a file line by line

...a doesn't have a mechanism for exactly what you want to do. NSInputStream allows you to read chunks of N bytes (very similar to java.io.BufferedReader), but you have to convert it to an NSString on your own, then scan for newlines (or whatever other delimiter) and save any remaining characters for ...
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ConcurrentHashMap vs Synchronized HashMap

...ion that ConcurrentHashMap's size() result could be out of date. size() is allowed to return an approximation instead of an exact count according to "Java Concurrency in Practice" book. So this method should be used carefully. – Andrii Lisun Nov 8 '18 at 15:24 ...
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Add context path to Spring Boot application

I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it. ...
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What does the X-SourceFiles header do?

...in a WebForms project in VS2017 that doesn't use WebMatrixSupportModule at all (no WebMatrix-related DLLs are loaded by my IIS Express process). – Dai Oct 3 '19 at 7:42 add a ...
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Can a div have multiple classes (Twitter Bootstrap) [duplicate]

...d you shouldn't use them together, or you'd get an unexpected result, basically what will happen is that the class with the highest specificity will be the one applied (or if they have the same then it'll be the one that's defined last on the CSS). So you better avoid doing stuff like this: <p c...
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Boolean Field in Oracle

...anted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches ...
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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?

... echo appends a \n since you usually do not want lines not ending with a linebreak in your shell (it looks really ugly if the prompt does not start at the very left). Use the -n argument to omit the trailing linebreak and it will print the same checksum as ...
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Razor MVC Populating Javascript array with Model Array

... Gald it works - Yes otherwise it will look for a C# object called myArray. – heymega May 21 '14 at 11:11 1 ...
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What is InputStream & Output Stream? Why and when do we use them?

...whether the stream is a file, a web page, or the screen shouldn't matter. All that matters is that you receive information from the stream (or send information into that stream.) InputStream is used for many things that you read from. OutputStream is used for many things that you write to. Here'...