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Check if a JavaScript string is a URL
...ted Feb 25 '19 at 15:23
3limin4t0r
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answered Apr 19 '11 at 13:29
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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
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bundle install fails with SSL certificate verification error
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WillWill
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Importing a Maven project into Eclipse from Git
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103
+50
Eclipse ...
Using node.js as a simple web server
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1013
Simplest Node.js server is just:
$ npm install http-server -g
Now you can run a server via ...
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...
Remove header and footer from window.print()
...
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?
...
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 ...