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Removing index column in pandas when reading a csv
...ollowing code which imports a CSV file. There are 3 columns and I want to set the first two of them to variables. When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
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Change text color based on brightness of the covered background area?
...:
const rgb = [255, 0, 0];
// Randomly change to showcase updates
setInterval(setContrast, 1000);
function setContrast() {
// Randomly update colours
rgb[0] = Math.round(Math.random() * 255);
rgb[1] = Math.round(Math.random() * 255);
rgb[2] = Math.round(Math.random() * 255);
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How to remove all CSS classes using jQuery/JavaScript?
... is included as a parameter, then only that class will be removed from the set of matched elements. If no class names are specified in the parameter, all classes will be removed. api.jquery.com/removeclass
– AtheistP3ace
Jun 20 '16 at 16:34
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“render :nothing => true” returns empty plaintext file?
...sponse is.
If it's anything other than text/html, you can try to manually set the content type like this:
render :nothing => true, :status => 200, :content_type => 'text/html'
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Exception messages in English?
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A contentious point perhaps, but instead of setting the culture to en-US, you can set it to Invariant. In the Invariant culture, the error messages are in English.
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
Thread.CurrentThread.CurrentUICultur...
How can you hide database output in Rails console?
...el = 1
as it prevents problems trying use a pointer to a logger that is set to nil (source: Disable Rails SQL logging in console)
To turn it back on
ActiveRecord::Base.logger.level = 0
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Measuring text width to be drawn on Canvas ( Android )
...e center of the screen. Anyway I just realized I could also have just used setTextAlign(Align.CENTER) on the Paint used to draw the text, it shifts the specified origin to the center of the drawn text. Thanks.
– NioX5199
Jul 15 '10 at 16:17
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javascript window.location in new tab
...You could try using window.open and hoping that the user has their browser set to open new windows in new tabs.
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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In the GSM specification 3GPP TS 11.11, there are 10 bytes set aside in the MSISDN EF (6F40) for 'dialing number'. Since this is the GSM representation of a phone number, and it's usage is nibble swapped, (and there is always the possibility of parentheses) 22 characters of data sho...
onMeasure custom view explanation
...her. Sometimes they call super.onMeasure at the end, sometimes they use setMeasuredDimension and didn't call it. Where is a difference?
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