大约有 44,685 项符合查询结果（耗时：0.0371秒） [XML]
Convert datetime to Unix timestamp and convert it back in python
...are" objects.
If your original naive datetime was UTC, the way to recover it is to use utcfromtimestamp instead of fromtimestamp.
On the other hand, if your original naive datetime was local, you shouldn't have subtracted a UTC timestamp from it in the first place; use datetime.fromtimestamp(0) in...
Remove header and footer from window.print()
...ndow.print() for printing page, but I got header and footer contains page title, file path, page number and date. How to remove them?
...
How do I simulate a low bandwidth, high latency environment?
...bandwidth, high latency connection to a server in order to emulate the conditions of a VPN at a remote site. The bandwidth and latency should be tweakable so I can discover the best combination in order to run our software package.
...
How can you dynamically create variables via a while loop? [duplicate]
...follow
|
edited Feb 18 '11 at 2:37
answered Feb 18 '11 at 1:28
...
Child with max-height: 100% overflows parent
...
When you specify a percentage for max-height on a child, it is a percentage of the parent's actual height, not the parent's max-height, oddly enough. The same applies to max-width.
So, when you don't specify an explicit height on the parent, then there's no base height for the chi...
How to close Android application?
I want to close my application, so that it no longer runs in the background.
22 Answers
...
Hidden Features of Xcode
With a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
...
AngularJS: How can I pass variables between controllers?
...re variables across multiple controllers is to create a service and inject it in any controller where you want to use it.
Simple service example:
angular.module('myApp', [])
.service('sharedProperties', function () {
var property = 'First';
return {
getProperty: fu...
Framework vs. Toolkit vs. Library [duplicate]
What is the difference between a Framework, a Toolkit and a Library?
12 Answers
12
...
How do you Encrypt and Decrypt a PHP String?
...rs to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptography experts.
Update: PHP 7.2 now provides libsodium! For best security, update your syst...