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In Python, how do I index a list with another list?
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answered Jun 18 '09 at 11:38
vanvan
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Converting an int to std::string
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answered Nov 10 '14 at 12:33
Yochai TimmerYochai Timmer
43.2k2020 gold badges130130 silver badges174174 bronze badges
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How to draw a circle with text in the middle?
...enter the text vertically. In this example the height and line-height are 500px.
Example
JSFiddle
.circle {
width: 500px;
height: 500px;
line-height: 500px;
border-radius: 50%;
font-size: 50px;
color: #fff;
text-align: center;
background: #000
}
<div class="circle">Hello I...
bundle install fails with SSL certificate verification error
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WillWill
4,21022 gold badges1717 silver badges1717 bronze badges
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Error - trustAnchors parameter must be non-empty
...ll -Djavax.net.ssl.trustStore=/Another/path/to/cacerts -jar test_get_https-0.0.1-SNAPSHOT-jar-with-dependencies.jar https://www.calca.com.py 2>&1| grep -i truststore
share
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improve this an...
What is the difference between PS1 and PROMPT_COMMAND
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answered Jun 17 '10 at 1:38
Scott ThomsonScott Thomson
73966 silver badges44 bronze badges
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Timeout on a function call
...al function handler
In [4]: signal.signal(signal.SIGALRM, handler)
Out[4]: 0
# Define a timeout for your function
In [5]: signal.alarm(10)
Out[5]: 0
In [6]: try:
...: loop_forever()
...: except Exception, exc:
...: print(exc)
....:
sec
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Forever is o...
Remove header and footer from window.print()
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150
In Chrome it's possible to hide this automatic header/footer using
@page { margin: 0; }
Since...
type object 'datetime.datetime' has no attribute 'datetime'
...lib/python2.6/lib-dynload/datetime.so'>
>>> datetime.datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
But, if you import datetime.datetime:
>>> from datetime import datetime
>>> datetime
<type 'datetime.datetime'>
>>> datetime.datetime(2001,5,1) ...
How to avoid 'cannot read property of undefined' errors?
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Update:
If you use JavaScript according to ECMAScript 2020 or later, see optional chaining.
TypeScript has added support for optional chaining in version 3.7.
// use it like this
obj?.a?.lot?.of?.properties
Solution for JavaScript before ECMASCript 2020 or TypeScript older ...