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How to do an INNER JOIN on multiple columns

... OK, I tried the above solution and go the following error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INNER_JOIN airports to_port ON (to_port.code = flights.tairport) WHERE ' a...
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Why do I get access denied to data folder when using adb?

...android:/data/data/com.domain.yourapp $ if it doesn't (ie if you get an error) then you probably don't have a rooted phone, or you haven't used your root user privileges. To use your root user privileges, type su on the adb command line and see what happens, if you get an error, then you're phone...
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Concept of void pointer in C programming

...rintf("print float f = %f \n",f); return 0; } But I was getting error, so I came to know my understanding with void pointer is not correct :(. So now I will move towards to collect points why is that so. The things that i need to understand more on void pointers is that. We need to type...
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What strategies and tools are useful for finding memory leaks in .NET?

... Dispose () { // Dispose logic here ... // It's a bad error if someone forgets to call Dispose, // so in Debug builds, we put a finalizer in to detect // the error. If Dispose is called, we suppress the // finalizer. #if DEBUG GC.SuppressFinalize(...
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What is DOCTYPE?

.../Frameset. Mostly this effects how the parser reacts when it encounters an error. – Rob May 14 '15 at 0:03 ...
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How can you get the SSH return code using Paramiko?

...).decode('ascii')) if chan.recv_stderr_ready(): print("error:\n%s" % chan.recv_stderr(4096).decode('ascii')) if chan.exit_status_ready(): print("exit status: %s" % chan.recv_exit_status()) key = False client.close() client.close() ...
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DateTime2 vs DateTime in SQL Server

..., because it likes to assume it's the old datetime type, and you'll get an error if you try to write a DateTime value that's outside that 1753-9999 year range unless you explicitly specify the type as System.Data.SqlDbType.DateTime2 for the SqlParameter. Anyway, datetime2 is great, because it can s...
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Why does Math.floor return a double?

... So that error and other non integer values can correctly cascade through a series of calculations. For instance, if you feed Not a Number (NaN) into Math.floor, it'll pass it along. If it returned integer it couldn't pass these sta...
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How do I rename a column in a SQLite database table?

...antic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied. Image source: https://www.sqlite.org/images/syntax/alter-table-stmt.gif Example: CREATE TABLE tab AS SELECT 1 AS c; SELECT * FROM tab; ALTER TABLE tab RENAME COLUMN c to c_new; SELECT...
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How to initialize log4j properly?

...nfigurator.configure(); will setup basic logging to the console, and the error messages will be gone. share | improve this answer | follow | ...