want to write a .command file to quickly switch whether to display the full file. you usually need to knock one line at a time defaults write com.apple.Finder AppleShowAllFiles YES(NO) && killAll Finder is there any way to query the status o...
at present, business is a very common news. App, wants to cache the news after getting the news data, and it will also cache when switching between different columns. Because I chose vue, I saved the data in vuex. Can achieve the desired effect, but if t...
I have implemented a scaled-down version of EventTarget : . function test(foo: MyEventTarget | EventTarget) { if (foo instanceof EventTarget) { return foo.addEventListener( click , console.log); } else { return foo.addEven...
has encountered a need to strictly distinguish the device information of users who visit the website (such as operating system, browser, etc.). Because there are some browsers that can disguise userAgent, I am afraid we cannot use userAgent to distinguis...
...
$arr=array("a","b","c","d"); foreach ($arr as &$value) { } $value=&arr[3];$value="d"; foreach ($arr as $key=>$value) { echo ""; var_dump($arr); } the results are as follow...