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Diff output from two programs without temporary files

Say I have too programs a and b that I can run with ./a and ./b . 6 Answers 6 ...
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Android: how to make an activity return results to the activity which calls it?

...ation activity that can be called from many activities, such as Sign up and Order . In the Location activity the user enters his location, so the activity Location will return this new location to that activity which called it. ...
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JPA or JDBC, how are they different?

I am learning Java EE and I downloaded the eclipse with glassfish for the same. I saw some examples and also read the Oracle docs to know all about Java EE 5. Connecting to a database was very simple. I opened a dynamic web project, created a session EJB , I used EntityManager and with the get meth...
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events

...is you can either use a data migration or manually (manage.py shell) go in and update non-compliant values – mgojohn Oct 26 '14 at 23:13 ...
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Comparing boxed Long values 127 and 128

...s this: true false For the 127L value, since both references (val1 and val2) point to the same object instance in memory (cached), it returns true. On the other hand, for the 128 value, since there is no instance for it cached in memory, a new one is created for any new assignments for boxe...
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Why are my basic Heroku apps taking two seconds to load?

... gets unloaded (from the server memory). On the first hit it gets loaded and stays loaded until some time passes without anyone accessing it. This is done to save server resources. If no one uses your app why keep resources busy and not let someone who really needs use them ? If your app has a ...
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DBMS_OUTPUT.PUT_LINE not printing

When executing the following code, it just says the procedure is completed and doesn't print the infomation i want it to (firstName, lastName) and then the other values from the select query in a table below. ...
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How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?

... This is the best answer. It's concise and covers all the practical applications. There's a gotcha with just using the byte array based constructor as indicated here--the resulting stream is not re-sizable. – Jduv Jul 19 '12 ...
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How to stop Eclipse formatter from placing all enums on one line

...jans worked fine for normal enums, but not for enums with arguments. To expand on his answer a bit, here's the settings that provided the most sensible formatting for me in Eclipse Juno: Window > Preferences > Java > Code Style > Formatter Click Edit Select the Line Wrapping tab Select...
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css label width not taking effect

I have a generic form, which I'd like to style to align the labels and the input fields. For some reason when I give a width to the label selector, nothing happens: ...