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What does 'super' do in Python?
...t__. while
super(Child, self).__init__()
means to call a bound __init__ from the parent class that follows Child in the instance's Method Resolution Order (MRO).
If the instance is a subclass of Child, there may be a different parent that comes next in the MRO.
Explained simply
When you writ...
Is it considered acceptable to not call Dispose() on a TPL Task object?
... It goes against the MSDN documentation though. Is there any official word from MS or the .net team that this is acceptable code. There is also the point raised at the end of that discussion that "what if the implementation changes in a future version"
– Simon P Stevens
...
How to match a String against string literals in Rust?
...
It doesn't work. It can only match _ if I get String from read_line.
– Masked Man
Nov 26 '16 at 10:20
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...ionCode (integer value for your version number).
You might have installed from a separate copy of the code where the version number was higher than the copy you're working with right now. In either case, either:
uninstall the currently installed copy
or open up your phone's Settings > Applica...
Count how many files in directory PHP
...thin that directories and so on to count all files and exclude directories from the count?
– The Bumpaster
Jul 2 '16 at 13:40
1
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Ways to circumvent the same-origin policy
...company.com.
With this method, you would be allowed to exectue javascript from an iframe sourced on a subdomain on a page sourced on the main domain. This method is not suited for cross-domain resources as browsers like Firefox will not allow you to change the document.domain to a completely alien ...
How to use support FileProvider for sharing content to other apps?
...
Using FileProvider from support library you have to manually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods.
For example:
//grant permision...
How can I escape white space in a bash loop list?
...t;(find test -mindepth 1 -type d -print0)
You can also populate an array from find, and pass that array later:
# this is safe
declare -a myarray
while IFS= read -r -d '' n; do
myarray+=( "$n" )
done < <(find test -mindepth 1 -type d -print0)
printf '%q\n' "${myarray[@]}" # printf is an ex...
How to listen for a WebView finishing loading a URL?
I have a WebView that is loading a page from the Internet. I want to show a ProgressBar until the loading is complete.
...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...not prudent to load them all into the browser, so I am doing async fetches from time to time. For some reason, on occasion when I scroll and position jumps very far (say I go off the screen and back), the ListBody doesn't re-render, even though the state changes. Any ideas why this might be? Great e...