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Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版Objective-C Mac iOS《Objective-C 2.0 Mac和iOS开发实践指南》专门为那些想要学习Objecti Ve-C以便为Mac OS x或iOS编写程序的程序员量身打造。《Objectiv...截图：
《Objective-C 2.0 Mac和iOS开发实践指南...
Stopping python using ctrl+c
... What is Break? How do I type it?
– u0b34a0f6ae
Sep 1 '09 at 19:44
5
There should be a Pa...
How to get the number of days of difference between two dates on mysql?
...ntity_id start_date end_date days
1 1236 2018-01-16 00:00:00 2018-08-31 00:00:00 227
2 2876 2015-06-26 00:00:00 2019-06-30 00:00:00 1465
3 3880 1990-06-05 00:00:00 2018-07-04 00:00:00 10256
4 3882 1993-07-05 00:00:00 2018-...
Format date in a specific timezone
...me and timezone according to the timezone passed in.
Example:
moment.tz('2018-07-17 19:00:00', 'YYYY-MM-DD HH:mm:ss', 'UTC').format() // "2018-07-17T19:00:00Z"
moment('2018-07-17 19:00:00', 'YYYY-MM-DD HH:mm:ss').tz('UTC').format() // "2018-07-18T00:00:00Z"
My timezone is +5 from utc. So in the...
Count the number of commits on a Git branch
... rev-list master tag-v20 --count --first-parent
Count commits done since 2018 year
git rev-list HEAD --count --first-parent --since=2018-01-01
01-01-2018, 01.01.2018, 2018.01.01 also works.
git rev-label
I wrote a script to get version-revision from Git in format like '$refname-c$count-g$short$_...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...cmd 命令行输入ant命令出现以上结果证明配置成功。
源码下载https://github.com/mit-cml/appinventor-sources国内下载非常非常缓慢，这个项目比较大，也许2天都下载不完，不过没关系，我们早已提供已下载好的工程源码，关注页面顶部公...
Turning off some legends in a ggplot
...cause length is continuous variable (not discrete).
(p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
scale_colour_continuous(guide = FALSE) +
geom_point()
)
Or using function guides() you should set FALSE for that element/aesthetic that you don't want to appear as l...
How do I profile memory usage in Python?
...ut down. When it runs, it shows the memory being used by the list() call:
2018-05-29 10:34:34.441334 max RSS 10188
2018-05-29 10:34:36.475707 max RSS 23588
2018-05-29 10:34:36.616524 max RSS 38104
2018-05-29 10:34:36.772978 max RSS 45924
2018-05-29 10:34:36.929688 max RSS 46824
2018-05-29 10:34:37....
“Uncaught Error: [$injector:unpr]” with angular after deployment
...).directive('directiveName', function () {
return {
restrict: 'AE',
templateUrl: 'calender.html',
controller: function ($scope) {
$scope.selectThisOption = function () {
// some code
};
}
};
});
When minified The '$sco...
Sass negative variable value?
...#{$pad};
An example: https://www.sassmeister.com/gist/c9c0208ada0eb1fdd63ae47830917293
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