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node.js child process - difference between spawn & fork
... ONE TIME
fork will be useful when you want to do messaging
Eg - JSON or XML data messaging
Conslusion
spawn should be used for streaming big data/files/images FROM spawn process TO parent process
fork should be used for doing Json/Xml messaging .
Eg suppose 10 fork process are created fro...
Numpy array dimensions
I'm currently trying to learn Numpy and Python. Given the following array:
8 Answers
8...
Is there a recommended format for multi-line imports?
I have read there are three ways for coding multi-line imports in python
4 Answers
4
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Android webview launches browser when calling loadurl
...View(R.layout.activity_main);
// find the WebView by name in the main.xml of step 2
browser=(WebView)findViewById(R.id.wvwMain);
// Enable javascript
browser.getSettings().setJavaScriptEnabled(true);
// Set WebView client
browser.setWebChromeClient(new WebChromeClient())...
Class method decorator with self arguments?
...
A more concise example might be as follows:
#/usr/bin/env python3
from functools import wraps
def wrapper(method):
@wraps(method)
def _impl(self, *method_args, **method_kwargs):
method_output = method(self, *method_args, **method_kwargs)
return method_output...
How to dump a dict to a json file?
... Good thing to remember here is that unless you use an OrderedDict (python >2.7) there is no guarantee that keys are ordered in any particular manner
– ford prefect
Aug 1 '17 at 18:08
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Slowing speed of Viewpager controller in android
...ation based on a factor. You need to use a ViewPagerCustomDuration in your XML instead of ViewPager, and then you can do this:
ViewPagerCustomDuration vp = (ViewPagerCustomDuration) findViewById(R.id.myPager);
vp.setScrollDurationFactor(2); // make the animation twice as slow
ViewPagerCustomDurat...
How do I get logs/details of ansible-playbook module executions?
....167] => (item=htop,vim-tiny,curl,git,unzip,update-motd,ssh-askpass,gcc,python-dev,libxml2,libxml2-dev,libxslt-dev,python-lxml,python-pip)
stdout:
Reading package lists...
Building dependency tree...
Reading state information...
libxslt1-dev is already the newest version.
0 upgraded, 0 newly ins...
How to scroll to top of long ScrollView layout?
...View.setFocusable(false) / gridView.setFocusable(false). If you do it from xml file, it will not work though.
– omersem
Jun 8 '16 at 5:32
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How can I quantify difference between two images?
...ot, you may need to resize or crop them. PIL library will help to do it in Python.
If they are taken with the same settings and the same device, they are probably the same.
Are images well-aligned?
If not, you may want to run cross-correlation first, to find the best alignment first. SciPy has fun...