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Skipping Iterations in Python
...eptions to be raised inside the loop. This of course would stop my program all together. To prevent that I catch the exceptions and handle them. But then the rest of the iteration runs even though an exception occurred. Is there a keyword to use in my except: clause to just skip the rest of the cu...
How to remove all of the data in a table using Django
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Inside a manager:
def delete_everything(self):
Reporter.objects.all().delete()
def drop_table(self):
cursor = connection.cursor()
table_name = self.model._meta.db_table
sql = "DROP TABLE %s;" % (table_name, )
cursor.execute(sql)
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Why is rbindlist “better” than rbind?
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rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow when using rbind.data.frame
Where does it really excel
Some questions that show where rbindlist shines are
Fast vectorized merge of list of data.frames by row
Trouble...
BindingFlags.IgnoreCase not working for Type.GetProperty()?
...en the default look-up flags, if you specify new flags you need to provide all the info so that the property can be found. For example: BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way...
Is it possible to set a number to NaN or infinity?
...question over a second time!! Sorry! That said, it wouldn't hurt to say so all the same because it's an easy trap to fall into, NaN != NaN
– David Heffernan
Mar 25 '11 at 22:30
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
... Content-Encoding is a business layer property, which a proxy would not be allowed to change, in addition to other ramifications (ETags etc). According to reality however, TE is not normally used for compression, and many servers/clients don't even support it out of the box, whereas CE is used more ...
Getting the encoding of a Postgres database
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Because there's more than one way to skin a cat:
psql -l
Shows all the database names, encoding, and more.
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Is there a way to access method arguments in Ruby?
... "#{arg} = #{eval arg}" }.join(', ')
Note: since this answer was originally written, in current versions of Ruby eval can no longer be called with a symbol. To address this, an explicit to_s has been added when building the list of parameter names i.e. parameters.map { |arg| arg[1].to_s }
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C char array initialization
...he question, it's worth pointing out that the C standard requires any partially-complete array initialisation to be padded with zero for the remaining elements (by the compiler). This goes for all data types, not just char.
– paddy
Sep 8 '13 at 21:54
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