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Getting the encoding of a Postgres database
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A programmatic solution:
SELECT pg_encoding_to_char(encoding) FROM pg_database WHERE datname = 'yourdb';
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How do I disable a Pylint warning?
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List with the actual strings to use: gist.github.com/m451/965bb613177dd4fa896b815aa0e0e365
– masi
Apr 7 at 11:55
add a co...
How to replace a character by a newline in Vim
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Use \r instead of \n.
Substituting by \n inserts a null character into the text. To get a newline, use \r. When searching for a newline, you’d still use \n, however. This asymmetry is due to the fact that \n and \r do slightly different things:
\n matches an end of line (newline...
Generating an MD5 checksum of a file
...turn hash_md5.hexdigest()
Note: hash_md5.hexdigest() will return the hex string representation for the digest, if you just need the packed bytes use return hash_md5.digest(), so you don't have to convert back.
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What's the difference between utf8_general_ci and utf8_unicode_ci?
...OLLATE ... and Description LIKE 'test%' COLLATE ... only process a single string ("test") at runtime, don't they? 3) In real apps, columns used in ordering would probably be indexed, and indexing speed on different collations with real non-ASCII text might differ.
– Halil Özg...
How to get StackPanel's children to fill maximum space downward?
...g space up between its child elements (giving them each the same amount of extra space). Elements should render fine if they are given more space than they wanted, but if you give them less you will start to see glitches.
If you want to be able to scroll the whole thing then I am afraid things wil...
I need to store postal codes in a database. How big should the column be?
I expect the column to be a VARCHAR2, in my Oracle Database.
8 Answers
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...e concepts that are important throughout this phase.
A token is simply a string of characters that is treated as a unit.
Tokens are separated by token delimiters. The standard token delimiters are <space> <tab> ; , = <0x0B> <0x0C> and <0xFF>
Consecutive token delimite...
What is the difference between JDK dynamic proxy and CGLib?
...ies. Another distinction is in the "stack" cost. A JDK proxy always incurs extra stack frames per call while a CGLib may not cost any extra stack frames. This becomes increasingly relevant the more complex the app gets (because the larger the stack, the more memory threads consume).
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What to do on TransactionTooLargeException
...== null) {
state = new Bundle();
}
String key = "f" + i;
mFragmentManager.putFragment(state, key, f);
}
}
return state;
}
As you can see, even if you properly manage the fragments in the FragmentStatePagerAdapter subclass, the bas...