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How to get a list of installed android applications and pick one to run

...sked a similar question to this earlier this week but I'm still not understanding how to get a list of all installed applications and then pick one to run. ...
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Using Java 8 to convert a list of objects into a string obtained from the toString() method

...things in Java 8. E.g., I can iterate with a stream over a list of objects and then sum the values from a specific field of the Object 's instances. E.g. ...
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getenv() vs. $_ENV in PHP

What is the difference between getenv() and $_ENV ? 6 Answers 6 ...
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How to import existing *.sql files in PostgreSQL 8.4?

I am using PostgreSQL 8.4, and I have some *.sql files to import into a database. How can I do so? 5 Answers ...
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What is the Oracle equivalent of SQL Server's IsNull() function?

... coalesce is supported in both Oracle and SQL Server and serves essentially the same function as nvl and isnull. (There are some important differences, coalesce can take an arbitrary number of arguments, and returns the first non-null one. The return type for isn...
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Does it make any sense to use inline keyword with templates?

Since templates are defined within headers and compiler is able to determine if inlining a function is advantageous, does it make any sense? I've heard that modern compilers know better when to inline a function and are ignoring inline hint. ...
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Can we append to a {% block %} rather than overwrite?

...al.html" %} Say you want to include a template in the middle of your page and you'd also like it to add some javascript in a block at the end of the page: calling block.super in the included template will crash. Cf. Django issues #7324, #12008, #13399 and the related update to the documentation. Cf...
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How to write header row with csv.DictWriter?

Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this? 3 Answers ...
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Get Output From the logging Module in IPython Notebook

... Does basic configuration for the logging system by creating a StreamHandler with a default Formatter and adding it to the root logger. The functions debug(), info(), warning(), error() and critical() will call basicConfig() automatically if no handlers are defined for the root logger. ...
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Different dependencies for different build profiles

...A profile element contains both an optional activation (a profile trigger) and the set of changes to be made to the POM if that profile has been activated. For example, a project built for a test environment may point to a different database than that of the final deployment. Or dependencies may be ...