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CSV new-line character seen in unquoted field error
...csv file itself, but this might work for you, give it a try, replace:
file_read = csv.reader(self.file)
with:
file_read = csv.reader(self.file, dialect=csv.excel_tab)
Or, open a file with universal newline mode and pass it to csv.reader, like:
reader = csv.reader(open(self.file, 'rU'), dialec...
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... answered Jun 9 '10 at 6:24
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std::unique_lock or std::lock_guard?
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The difference is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction.
So for use case B you definitely need a std::unique_lock for the condition variable. In case A it depends whether you need to relo...
How can I scale an image in a CSS sprite
...alt="" src="spacer.png">
<img class="sprite" alt="icon" src="sprite_800x160.jpg">
</a>
<a class="stretchy s2" href="#">
<img class="spacer" alt="" src="spacer.png">
<img class="sprite" alt="icon" src="sprite_800x160.jpg">
</a>
<a class="stretchy s3" hr...
How can I alter a primary key constraint using SQL syntax?
...the constraint with an Alter table then recreate it.
ALTER TABLE <Table_Name>
DROP CONSTRAINT <constraint_name>
ALTER TABLE <Table_Name>
ADD CONSTRAINT <constraint_name> PRIMARY KEY (<Column1>,<Column2>)
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Longest line in a file
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awk '{print length, $0}' Input_file |sort -nr|head -1
For reference : Finding the longest line in a file
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Suppress/ print without b' prefix for bytes in Python 3
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If we take a look at the source for bytes.__repr__, it looks as if the b'' is baked into the method.
The most obvious workaround is to manually slice off the b'' from the resulting repr():
>>> x = b'\x01\x02\x03\x04'
>>> print(repr(x))
b'\x01\x02...
How to call Stored Procedure in Entity Framework 6 (Code-First)?
...bContext as your own instances:
public void addmessage(<yourEntity> _msg)
{
var date = new SqlParameter("@date", _msg.MDate);
var subject = new SqlParameter("@subject", _msg.MSubject);
var body = new SqlParameter("@body", _msg.MBody);
var fid = new SqlParameter("@fid", _msg.FI...
Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo'))
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Can (domain name) subdomains have an underscore “_” in it?
Can subdomains (domain names) have underscore _ in them?
11 Answers
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