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CSV file written with Python has blank lines between each row
... in binary mode "wb" will not work in Python 3+. Or rather, you'd have to convert your data to binary before writing it. That's just a hassle.
Instead, you should keep it in text mode, but override the newline as empty. Like so:
with open('/pythonwork/thefile_subset11.csv', 'w', newline='') as ...
What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
...not used to get an identity, it's used to create an identity in a select...into query.
The session is the database connection. The scope is the current query or the current stored procedure.
A situation where the scope_identity() and the @@identity functions differ, is if you have a trigger on th...
How do you create a transparent demo screen for an Android app?
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In your first activity find the view you wish to point to (findViewById). Then get its position relative to the root layout using this method. Send position to overlay activity in the intent. Do proper alignment.
– Benito Bertoli
Aug 31 ...
What is the purpose of Serialization in Java?
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In essense:
Serialization is the process of
converting a set of object instances
that contain references to each other
into a linear stream of bytes, which
can then be sent through a socket,
stored to a file, or simply
manipulated as a stream of data
See us...
Regular expression to search for Gadaffi
...lternatives (eg. (Qadafi|Kadafi|...)) then compile that to a DFA, and then convert the DFA back into a regular expression. Assuming a moderately sensible implementation that would give you a "compressed" regular expression that's guaranteed not to contain unexpected variants.
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Recommended way to embed PDF in HTML?
... As noted in another answer, scribd actually uses pdf2swf to convert pdf files
– Peter Craig
Nov 4 '09 at 9:14
8
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g++ undefined reference to typeinfo
...the error message you asked about.
It's very similar to the code:
extern int i;
int *pi = &i;
which states that the integer i is declared in another compilation unit which must be resolved at link time (otherwise pi can't be set to it's address).
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JAX-RS / Jersey how to customize error handling?
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One obvious solution: take in a String, convert to Date yourself. That way you can define format you want, catch exceptions and either re-throw or customize error being sent.
For parsing, SimpleDateFormat should work fine.
I am sure there are ways to hook handlers...
SQL UPDATE all values in a field with appended string CONCAT not working
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convert the NULL values with empty string by wrapping it in COALESCE
"UPDATE table SET data = CONCAT(COALESCE(`data`,''), 'a')"
OR
Use CONCAT_WS instead:
"UPDATE table SET data = CONCAT_WS(',',data, 'a')"
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How to iterate over the keys and values with ng-repeat in AngularJS?
...t, I don't recommend iterating over keys in objects. It would be better to convert it to an array in your controller. Assuming there isn't idiomatic way to do this based on your business model, ES6 makes it very easy: Object.getOwnPropertyNames(data).map(k => ({key:k, value:data[k]));.
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