大约有 24,000 项符合查询结果（耗时：0.0439秒） [XML]
If strings are immutable in .NET, then why does Substring take O(n) time?
...
UPDATE: I liked this question so much, I just blogged it. See Strings, immutability and persistence
The short answer is: O(n) is O(1) if n does not grow large. Most people extract tiny substrings from tiny strings, so how ...
How to check if object has any properties in JavaScript?
...ser Support: Firefox 4, Chrome 5, Internet Explorer 9, Opera 12, Safari 5
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
share
|
improve this answer
...
How to delete images from a private docker registry?
...orts deleting via DELETE /v2/<name>/manifests/<reference>
See: https://github.com/docker/distribution/blob/master/docs/spec/api.md#deleting-an-image
Working usage:
https://github.com/byrnedo/docker-reg-tool
Edit:
The manifest <reference> above can be retrieved from requesting to
GE...
How to store custom objects in NSUserDefaults
...
I create a library RMMapper (https://github.com/roomorama/RMMapper) to help save custom object into NSUserDefaults easier and more convenient, because implementing encodeWithCoder and initWithCoder is super boring!
To mark a class as archivable, just us...
What is the difference between background and background-color
...a link to a resource here, but I recall reading this somewhere.
Ref : https://github.com/mdo/css-perf#background-vs-background-color
share
|
improve this answer
|
follow...
How do I install a custom font on an HTML site
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
I have a computer with 1 MB of RAM and no other local storage. I must use it to accept 1 million 8-digit decimal numbers over a TCP connection, sort them, and then send the sorted list out over another TCP connection.
...
file_put_contents(meta/services.json): failed to open stream: Permission denied
...rage/logs dir by inheriting the permissions from the directory this answer https://unix.stackexchange.com/a/115632 can help you to tackle with that.
share
|
improve this answer
|
...
Get list of passed arguments in Windows batch script (.bat)
...th name of the script (d:\scripts\some-batch.bat)
More info examples at https://www.ss64.com/nt/syntax-args.html and https://www.robvanderwoude.com/parameters.html
share
|
improve this answer
...
How to pass the password to su/sudo/ssh without overriding the TTY?
I'm writing a C Shell program that will be doing su or sudo or ssh . They all want their passwords in console input (the TTY) rather than stdin or the command line.
...