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How to delete all records from table in sqlite with Android?
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String selectQuery = "DELETE FROM table_name ";
Cursor cursor = data1.getReadableDatabase().rawQuery(selectQuery, null);
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What is the purpose of the -m switch?
...hich are part of a package, etc. That's what the rest of PEP 338 is about. Read it for more info.
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What is the Gradle artifact dependency graph command?
I read this comment in the Gradle docs :
8 Answers
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Why do pthreads’ condition variable functions require a mutex?
I’m reading up on pthread.h ; the condition variable related functions (like pthread_cond_wait(3) ) require a mutex as an argument. Why? As far as I can tell, I’m going to be creating a mutex just to use as that argument? What is that mutex supposed to do?
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What does “coalgebra” mean in the context of programming?
...find or come up with a good example or two :P.
Classes and Objects
After reading around a bit, I think I have a good idea of how to use coalgebras to represent classes and objects. We have a type C that contains all the possible internal states of objects in the class; the class itself is a coalge...
Is C++ context-free or context-sensitive?
... (Grammar symbols may be either terminals or non-terminals).
This can be read as A → γ only in the context [α, β]. In a context-free (Type 2) grammar, α and β must be empty.
It turns out that you can also restrict grammars with the "monotonic" restriction, where every producti...
Which version of CodeIgniter am I currently using?
...what the question is, It asks if there is an option to spit out? I bet you read the question again before posting.
– Clain Dsilva
Mar 4 '15 at 4:30
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Search all of Git history for a string? [duplicate]
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git rev-list --all | (
while read revision; do
git grep -F 'password' $revision
done
)
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Android - print full exception backtrace to log
...nd of code caused this exception in the second parameter. The message is already included in the output anyway.
– EboMike
Mar 16 '14 at 0:40
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Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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