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Git cherry pick vs rebase
...st_branch_1
$ git checkout -b test_branch_1 dd0d3b4
test_branch_1 is now rooted from the latest master position. Done!
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How to play a local video with Swift?
...o the Bundle
Open the Project Navigator cmd + 1
Then select your project root > your Target > Build Phases > Copy Bundle Resources.
Your video MUST be here. If it's not, then you should add it using the plus button
3. Code
Open your View Controller and write this code.
import UIKit
...
What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
...oing to develop a package, you download it (e.g. via git clone), go to its root which contains package.json, and run:
npm install
Since you have the actual source, it is clear that you want to develop it, so by default, both dependencies (since you must, of course, run to develop) and devDependen...
How to apply specific CSS rules to Chrome only?
...uding the influenced browser,by that hack
WebKit hack:
.selector:not(*:root) {}
Google Chrome:All the versions
Safari:All the versions
Opera :14 and Later
Android:All the versions
Supports Hacks:
@supports (-webkit-appearance:none) {}
Google Chrome 28,and Google Chrome > 28, Opera 14 ...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-j ACCEPT
类似的，对于HTTP/HTTPS(80/443)、pop3(110)、rsync(873)、MySQL(3306)等基于tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p udp -o eth0 --dport 53 -j ACCEPT
iptables -A IN...
Auto-loading lib files in Rails 4
...problem:
in config/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep the right naming convention in lib.
in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb, you may manua...
How to reset Django admin password?
...perfect way to do so.
In this case, I'm using Django 1.9
Navigate to your root directory i,e. where you "manage.py" file is located using your console or other application such as Git.
Retrieve the Python shell using the command "python manage.py shell".
Import the User Model by typing the follo...
Deleting all files in a directory with Python
...be how to do so using just the os module...
def purgedir(parent):
for root, dirs, files in os.walk(parent):
for item in files:
# Delete subordinate files
filespec = os.path.joi...
java.net.UnknownHostException: Invalid hostname for server: local
...es this environment variable ($HOSTNAME) when it connects to the server.
[root@xyz ~]# echo $HOSTNAME
xyz
[root@xyz ~]# ping $HOSTNAME
ping: unknown host xyz
[root@xyz ~]# hostname -f
hostname: Unknown host
There are dozens of things that can cause this. Please comment if you discover a new re...
iPhone App Minus App Store?
... Email address field.
Click Continue until complete.
You should see "This root certificate is not trusted". This is expected.
Set the iPhone SDK to allow the self-signed certificate to be used:
sudo /usr/bin/sed -i .bak 's/XCiPhoneOSCodeSignContext/XCCodeSignContext/' /Developer/Platforms/iPhon...