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How to append text to a text file in C++?
...makes sure that file gets created if it doesn't exist and also adds bit of error checks.
static void appendLineToFile(string filepath, string line)
{
std::ofstream file;
//can't enable exception now because of gcc bug that raises ios_base::failure with useless message
//file.exceptions(...
How can I filter a Django query with a list of values?
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will it raise error if we pass empty list or return no record ?
– Rakmo
Apr 12 '18 at 18:10
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Heroku Postgres - terminate hung query (idle in transaction)
...sion of postgres are you using? (hint: select version()). Do you get any error messages when using pg_cancel_backend?
– tobixen
Jul 2 '12 at 12:21
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C/C++ include header file order
..., or someone else, includes myclass.h but don't need string, you'll get an error that needs to be fixed either in the cpp or in the header itself. But I would be interested to know if that's what people think would work better in the long run... Why don't you post an answer with your proposal and we...
How can I set the WiX installer version to the current build version?
....FileId)" (a "!" instead of "$"), otherwise I got a preprocessor directive error.
– Nicholas Piasecki
Mar 17 '09 at 19:41
8
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Extracting hours from a DateTime (SQL Server 2005)
...(Date()) . I can't extract hours, with HOUR(Date()) . I get the following error.
11 Answers
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WPF Textblock, linebreak in Text attribute
...hing to do with the .NET version installed. There are no exceptions and no errors other than the visual elements don't display correctly.
– Charles
Dec 15 '09 at 21:29
add a c...
How do I connect to a MySQL Database in Python?
...dIsXz) from my RPM: rpm -i mysql-connector-python-1.1.5-1.el6.noarch.rpm error: Failed dependencies: rpmlib(FileDigests) <= 4.6.0-1 is needed by mysql-connector-python-1.1.5-1.el6.noarch rpmlib(PayloadIsXz) <= 5.2-1 is needed by mysql-connector-python-1.1.5-1.el6.noarch
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Download large file in python with requests
... return file_path
except Exception as ex:
logger.error(f'Attempt #{attempt} failed with error: {ex}')
return ''
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Do I have to guard against SQL injection if I used a dropdown?
...ready to accept anything no matter where it comes from. Everything else is error-prone.
– glglgl
Mar 21 '14 at 8:46
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