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Invoke a callback at the end of a transition
...milar to jQuery) using D3.js . What I need to do is to set the opacity to 0 using transition() .
9 Answers
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Wait for a process to finish
...
+50
To wait for any process to finish
Linux:
tail --pid=$pid -f /dev/null
Darwin (requires that $pid has open files):
lsof -p $pid +r...
SQLite select where empty?
...ere coalesce(some_column, '') = ''
of
where ifnull(length(some_column), 0) = 0
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What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...
101
You can get the idea by running other versions of your code. Consider explicitly writing out th...
Java Round up Any Number
... correct function to call. I'm guessing a is an int, which would make a / 100 perform integer arithmetic. Try Math.ceil(a / 100.0) instead.
int a = 142;
System.out.println(a / 100);
System.out.println(Math.ceil(a / 100));
System.out.println(a / 100.0);
System.out.println(Math.ceil(a / 100.0));
Syst...
Can I create more than one repository for github pages?
...mentation, including options for using custom domain names.
(since April 2013, all username.github.com are now username.github.io)
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In Python, how do I read the exif data for an image?
...
answered Jan 22 '11 at 0:21
paynepayne
12.3k44 gold badges3434 silver badges4444 bronze badges
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Convert number strings with commas in pandas DataFrame to float
...e step.
You need to set the locale first:
In [ 9]: import locale
In [10]: from locale import atof
In [11]: locale.setlocale(locale.LC_NUMERIC, '')
Out[11]: 'en_GB.UTF-8'
In [12]: df.applymap(atof)
Out[12]:
0 1
0 1200 4200.00
1 7000 -0.03
2 5 0.00
...
Python speed testing - Time Difference - milliseconds
...e.datetime.now()
>>> c = b - a
>>> c
datetime.timedelta(0, 4, 316543)
>>> c.days
0
>>> c.seconds
4
>>> c.microseconds
316543
Be aware that c.microseconds only returns the microseconds portion of the timedelta! For timing purposes always use c.total_sec...