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How to use filter, map, and reduce in Python 3
...x): return x*x*x
...
>>> list(map(cube, range(1, 11)))
[1, 8, 27, 64, 125, 216, 343, 512, 729, 1000]
>>> import functools
>>> def add(x,y): return x+y
...
>>> functools.reduce(add, range(1, 11))
55
>>>
The recommendation now is that you replace your usa...
Should I use s and s inside my s?
...website is geared towards disabled people, I might consider using the list-based approach.
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“java.lang.OutOfMemoryError : unable to create new native Thread”
...ads created. The default Thread Stack Size for JRockit 1.5/1.6 is 1 MB for 64-bit VM on Linux OS. 32K threads will require a significant amount of physical and virtual memory to honor this requirement.
Try to reduce the Stack Size to 512 KB as a starting point and see if it helps creating more thr...
Tick symbol in HTML/XHTML
...display a little checkmark:
span:before {
content:url("data:image/gif;base64,R0lGODlhCgAKAJEAAAAAAP///////wAAACH5BAEAAAIALAAAAAAKAAoAAAISlG8AeMq5nnsiSlsjzmpzmj0FADs=");
}
Of course you can create your own checkmark image and use a converter to add it as data:image/gif. Hope this helps.
...
Concept behind these four lines of tricky C code
...The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of t...
What is the best data type to use for money in C#?
... make Currency a class so I can define an exchange rate (in relation to a "base currency", often the US dollar [which I set to have an exchange rate of 1.00]).
– Thomas Owens
Mar 28 '09 at 20:25
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Does my application “contain encryption”?
...ermine that your app is not classified under Category 5, Part 2 of the EAR based on the guidance provided by BIS at encryption question. The Statement of Understanding for medical equipment in Supplement No. 3 to Part 774 of the EAR can be accessed at Electronic Code of Federal Regulations site. Ple...
Creating a new user and password with Ansible
...andom password for user only on creation
shell: /usr/bin/openssl rand -base64 32 | passwd --stdin deployer
when: newuser.changed
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How do I parallelize a simple Python loop?
... parallellizing: 27.68999981880188
returned in order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total...
How can I use an http proxy with node.js http.Client?
...'
const auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64')
http.request({
host: '255.255.255.255', // IP address of proxy server
port: 99999, // port of proxy server
method: 'CONNECT',
path: 'kinopoisk.ru:443', // some destination, add 443 port for https!
headers:...