大约有 21,000 项符合查询结果（耗时：0.0393秒） [XML]
What is the difference between user and kernel modes in operating systems?
...a bare metal setup that should be a good way to manipulate rings directly: https://github.com/cirosantilli/x86-bare-metal-examples
I didn't have the patience to make a userland example unfortunately, but I did go as far as paging setup, so userland should be feasible. I'd love to see a pull request...
How to cache data in a MVC application
...s that are designed for both Web and non-Web applications.
More info:
https://msdn.microsoft.com/en-us/library/dd997357(v=vs.110).aspx
https://docs.microsoft.com/en-us/dotnet/framework/performance/caching-in-net-framework-applications
...
How can I prevent the scrollbar overlaying content in IE10?
...n on this bug.
//
// For more information, see the following:
//
// Issue: https://github.com/twbs/bootstrap/issues/10497
// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
// Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
// Source: http://timkadlec.com/201...
Location Services not working in iOS 8
...
According to the Apple docs:
https://developer.apple.com/documentation/corelocation/requesting_permission_to_use_location_services
https://developer.apple.com/documentation/corelocation/cllocationmanager/1620562-requestwheninuseauthorization
As of iOS ...
Long vs Integer, long vs int, what to use and when?
...ent (even unclear) memory-sizes of the primitive types:
Java - all clear: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html
byte, char .. 1B .. 8b
short int .. 2B .. 16b
int .. .. .. .. 4B .. 32b
long int .. 8B .. 64b
C .. just mess: https://en.wikipedia.org/wiki/C_data_...
In-memory size of a Python structure
... "How big is this complex object in memory?"
There's a great answer here: https://goshippo.com/blog/measure-real-size-any-python-object/
The punchline:
import sys
def get_size(obj, seen=None):
"""Recursively finds size of objects"""
size = sys.getsizeof(obj)
if seen is None:
...
Javascript object Vs JSON
...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...
Git submodule update
...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...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
... using a console.log wrapper like this:
consoleLog = function(msg) {//See https://stackoverflow.com/a/27074218/470749
var e = new Error();
if (!e.stack)
try {
// IE requires the Error to actually be thrown or else the
// Error's 'stack' property is undefined...
Maximum size of a element
...est support for custom canvas dimensions, check out canvas-size.
GitHub: https://github.com/jhildenbiddle/canvas-size
NPM: https://www.npmjs.com/package/canvas-size
From the docs:
The HTML canvas element is widely supported by modern and legacy
browsers, but each browser and platform combi...