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How to turn on front flash light programmatically in Android?
...o turn on front flash light (not with camera preview) programmatically in Android. I googled for it but the help i found referred me to this page
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How to create a database from shell command?
...solution that would allow me to create database with a help of a shell command. Any hints?
8 Answers
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Multiprocessing - Pipe vs Queue
What are the fundamental differences between queues and pipes in Python's multiprocessing package ?
2 Answers
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Why do we need boxing and unboxing in C#?
Why do we need boxing and unboxing in C#?
11 Answers
11
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Overriding id on create in ActiveRecord
...me belongs_to semantics in ActiveRecord, but instead of having a migration and creating a table, and incurring the overhead of the database on every call, you just store your data in yml files. The foreign keys in the database reference the in-memory ids in the yml.
ActiveHash is great for picklis...
Implications of foldr vs. foldl (or foldl')
...rstly, Real World Haskell , which I am reading, says to never use foldl and instead use foldl' . So I trust it.
7 Ans...
Can't install Ruby under Lion with RVM – GCC issues
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This answer was edited multiple times and now contains several alternative solutions. Try the simple “Edit 3” solution first.
Ruby 1.9.3-p125 and later have official support for clang, so if you are installing such a version you should not need GCC. If you...
How do I parse a string to a float or int?
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You should handle ValueError if you want to be safe
– Joe Bobson
Sep 9 '18 at 13:20
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What's the @ in front of a string in C#?
...string verbatim = @"foo\bar";
string regular = "foo\\bar";
Here verbatim and regular have the same contents.
It also allows multi-line contents - which can be very handy for SQL:
string select = @"
SELECT Foo
FROM Bar
WHERE Name='Baz'";
The one bit of escaping which is necessary for verbatim s...
How do I import an SQL file using the command line in MySQL?
...om phpMyAdmin . I want to import it into a different server using the command line.
49 Answers
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