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Find column whose name contains a specific string
... = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
spike_cols = [col for col in df.columns if 'spike' in col]
print(list(df.columns))
print(spike_cols)
Output:
['hey spke', 'no', 'spike-2', 'spiked-in']
['spike-2', 'spiked-in']
Explanat...
How to overwrite the previous print to stdout in python?
... the start of the line without advancing to the next line:
for x in range(10):
print '{0}\r'.format(x),
print
The comma at the end of the print statement tells it not to go to the next line. The last print statement advances to the next line so your prompt won't overwrite your final output.
Upd...
How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by this attached image,
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
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answered Dec 1 '08 at 3:42
dkretzdkretz
36.2k1313 gold badges7575 silver badges133133 bronze badges
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How can I avoid running ActiveRecord callbacks?
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edited Dec 3 '10 at 4:01
answered Mar 11 '09 at 4:29
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How should I call 3 functions in order to execute them one after the other?
...em asynchronously using the setTimeout function.
setTimeout(doSomething, 10);
setTimeout(doSomethingElse, 10);
setTimeout(doSomethingUsefulThisTime, 10);
This is, however, a bit ugly and violates the DRY principle[wikipedia]. We could clean this up a bit by creating a function that accepts an arr...
Parse large JSON file in Nodejs
...function pump() {
var pos;
while ((pos = buf.indexOf('\n')) >= 0) { // keep going while there's a newline somewhere in the buffer
if (pos == 0) { // if there's more than one newline in a row, the buffer will now start with a newline
buf = buf.slice(1); // discard it
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How to remove all CSS classes using jQuery/JavaScript?
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$("#item").removeAttr('class');
$("#item").attr('class', '');
$('#item')[0].className = '';
If you didn't have jQuery, then this would be pretty much your only option:
document.getElementById('item').className = '';
sh...
Programmatically scroll a UIScrollView
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edited Jul 30 '18 at 11:27
Community♦
111 silver badge
answered Feb 10 '10 at 13:41
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Regex to test if string begins with http:// or https://
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answered Jan 10 '11 at 2:03
cdhowiecdhowie
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