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Why do we have map, fmap and liftM?
...t learning Haskell, when using map incorrectly, would much
rather see an error about lists than about Functors.
-- Typeclassopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequen...
How do I fetch lines before/after the grep result in bash?
...e the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
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Add only non-whitespace changes
...
This gives me problems with patch does not apply and error while searching for... Any ideas?
– DTI-Matt
Jul 27 '15 at 14:17
18
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#pragma pack effect
...ple of the type's size). This avoids the performance penalty (or outright error) on some architectures associated with accessing variables that are not aligned properly. For example, given 4-byte integers and the following struct:
struct Test
{
char AA;
int BB;
char CC;
};
The compiler...
Accessing console and devtools of extension's background.js
...tensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error messages either.
...
AVAudioPlayer throws breakpoint in debug mode
...Does this mean that the framework is responding to and correcting internal errors? Are you aware of any other documentation on it? I can't find much online which suggests to me that this may be down to programmer error...
– Remover
Sep 13 '13 at 9:35
...
Nested or Inner Class in PHP
...xists, if not we throw an exception
* similar to the default error
*/
if (method_exists($this, $method)) {
/* The method exists so now we want to know if the
* caller is a child of our Package class. If not we throw an excepti...
How to write logs in text file when using java.util.logging.Logger
...void doLogging() {
logger.info("info msg");
logger.severe("error message");
logger.fine("fine message"); //won't show because to high level of logging
}
}
In your code you forgot to define the formatter, if you need simple one you can do it as I mentioned above, but ...
What is “with (nolock)” in SQL Server?
... to insert a duplicate key will not fail the transaction and generate an error rather just generate a warning. If you don't use this weird option you probably don't have to worry about getting rows twice
– JanHudecek
Mar 10 '12 at 13:00
...
How can I delete a file from a Git repository?
...ice, but is reality).
[~/www]$ git rm shop/mickey/mtt_flange_SCN.7z.003
error: 'shop/mickey/mtt_flange_SCN.7z.003' has local modifications
(use --cached to keep the file, or -f to force removal)
[~/www]$ git rm -f shop/mickey/mtt_flange_SCN.7z.003
rm 'shop/mickey/mtt_flange_SCN.7z.003'
[~/www]$
...