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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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continue processing php after sending http response
...ntent-Length: '.ob_get_length());
ob_end_flush();
ob_flush();
flush();
// now the request is sent to the browser, but the script is still running
// so, you can continue...
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Conditional import of modules in Python
...user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following?
3 Answer...
Filter data.frame rows by a logical condition
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I wonder if this works now? I wasn't able to subset dataframe based on condition in this way.
– Sumanth Lazarus
Oct 10 '19 at 11:47
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Importing a CSV file into a sqlite3 database table using Python
...n to a file on disk is left as an exercise for the reader ... but there is now a two-liner made possible by the pandas library
df = pandas.read_csv(csvfile)
df.to_sql(table_name, conn, if_exists='append', index=False)
shar...
matplotlib colorbar for scatter
...t needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then control the limits of your colorbar. Things outside vmin/vmax get the colors of the endpoints.
How do...
Add & delete view from Layout
...this);
lp.addView(new Button(this));
lp.addView(new ImageButton(this));
// Now remove them
lp.removeViewAt(0); // and so on
If you have xml layout then no need to add dynamically.just call
lp.removeViewAt(0);
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Using str_replace so that it only acts on the first match?
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Edit: both answers have been updated and are now correct. I'll leave the answer since the function timings are still useful.
The answers by 'zombat' and 'too much php' are unfortunately not correct. This is a revision to the answer zombat posted (as I don't have enough...
Eclipse Optimize Imports to Include Static Imports
...yway to get Eclipse to automatically look for static imports? For example, now that I've finally upgraded to Junit 4, I'd like to be able to write:
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How to copy directories in OS X 10.7.3?
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I'm using the search function with Finder now and it's much better but I don't see my home directory there in Favorites or anywhere else. Very new to Mac OS X and Rails.
– hjaved
Mar 21 '12 at 0:46
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