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How to play a local video with Swift?
... })
}
}
private func startLoading(){
var error:NSError?
guard let asset = urlAsset else {return}
let status:AVKeyValueStatus = asset.statusOfValueForKey("tracks", error: &error)
if status == AVKeyValueStatus.Loaded {
assetDur...
Is R's apply family more than syntactic sugar?
...onds for vapply.
– Cole
Jan 1 at 16:05
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...两个文件。
1、类别页面模板：
新增一个文件 phpcms\templates\default\content\type.html ，代码如下：
{template "content","header"}
<!--main-->
<?php $typeid = intval($_GET['typeid']);?>
<div class="main">
<div class="col-left">
<div class="crumbs">
<a href="{si...
一次解决Linux下-bash: ll: command not found，语法、目录不高亮显示的问...
一次解决Linux下-bash: ll: command not found，语法、目录不高亮显示的问题linux-bashrc-ll-dircolor通过修改用户目录下的 bashrc文件，添加ll,l命令别名，及语法目录高亮显示。
vi ~/.bashrc 放开上面几行
# You may uncomment the following lines if y...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
常用Linux命令详解（持续更新）对我们日常工作中经常会用到的一些Linux命令进行一下详解。logout,shutdown,reboot,useradd,passwd,ls,ll,cd,mkdir,vi,cp,rm,mv,chmod,chown,find,grep,tail,tar,gzip,fdisk,kill,netstat等。一、注销，关机，重启，新建用户、删除...
WordPress is giving me 404 page not found for all pages except the homepage
...
This somewhat helped me, I had some database errors and afterwards all my pages were 404. Switching the permalink option to another option (such as plain) then back to the default option fixed all my links!
– PaulBGD
Apr 15 '17 at ...
Re-enabling window.alert in Chrome
I accidently checked the "disable alerts from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
...
Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How can I drop all the tables in a PostgreSQL database?
...web2py), using the former caused problems:
<class 'psycopg2.ProgrammingError'> no schema has been selected to create in
So to my mind the fully correct answer is:
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
GRANT ALL ON SCHEMA public TO postgres;
GRANT ALL ON SCHEMA public TO public...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
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