大约有 10,900 项符合查询结果（耗时：0.0427秒） [XML]
Simplest way to check if key exists in object using CoffeeScript
...
ah, ok: own = (prop, obj) -> Object::hasOwnProperty.call obj, prop
– flying sheep
Jan 14 '13 at 13:33
add a comment
|
...
Determine if an object property is ko.observable
...
Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(vm[key]).
Update from comment:
Here is a function to determine if something is a computed observable:
ko.isComputed = function (instance) {
if ((instan...
throw Error('msg') vs throw new Error('msg')
...t's the difference? Looking at them in the chrome console, they look identical. Same properties on the object and the same __proto__ chain. Almost seems like Error acts like a factory.
...
Returning redirect as response to XHR request
...ajax request?
If the server sends a redirect (aka a 302 response plus a Location: header) the redirect is automatically followed by the browser. The response to the second request (assuming it also isn't another redirect) is what is exposed to your program.
In fact, you don't have the ability to d...
How to attach my repo to heroku app
...
If you're using just Git without installing the Heroku Toolbelt, you can also create a new application.
Login to your account and go to this link
https://dashboard.heroku.com/apps
Look at the plus sign on the top right corner then select
Create new app
Leave the application name blank to ...
Looping over a list in Python
...doesn't slices out, it slices off, what I mean is that the values are duplicated, and still in values.
– AsTeR
Jan 15 '19 at 15:22
...
How to “re-run with -deprecation for details” in sbt?
When I compile Scala code, by running sbt compile , SBT says:
3 Answers
3
...
What are the differences between -std=c++11 and -std=gnu++11?
...tandard are enabled or not. The GNU C++ extensions are described here. You can also use most of the GNU C extensions (described here) in your C++ programs. It would be also useful to read about the -Wpedantic GCC option here.
Note that some extensions can still be in effect when using -std=c++11, ...
Hover and Active only when not disabled
...
You can use :enabled pseudo-class, but notice IE<9 does not support it:
button:hover:enabled{
/*your styles*/
}
button:active:enabled{
/*your styles*/
}
...
Remove menu and status bars in TinyMCE 4
I am trying to remove the menu and status bars from TinyMCE 4 because I want to setup a very basic editor. Is this possible?
...