大约有 1,600 项符合查询结果（耗时：0.0224秒） [XML]
Remove blank attributes from an Object in Javascript
...r functional
version that uses recursion and returns a new object with ES2019 Object.fromEntries():
const removeEmpty = obj =>
Object.fromEntries(
Object.entries(obj)
.filter(([k, v]) => v != null)
.map(([k, v]) => (typeof v === "object" ? [k, removeEmpty(v)] : [k, v]))...
How to create a directory if it doesn't exist using Node.js?
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is this "mask" flag thingy still relevant in 2019? what was the purpose of it?
– oldboy
Oct 5 '19 at 6:25
1
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Android ViewPager - Show preview of page on left and right
...tion/screen-slide-2
About the new ViewPager2
Announcement at Google I/O 2019
Documentation
Release notes
Code sample
Migrate from ViewPager to ViewPager2
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Download File Using Javascript/jQuery
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2019 modern browsers update
This is the approach I'd now recommend with a few caveats:
A relatively modern browser is required
If the file is expected to be very large you should likely do something similar to the original...
JavaScript: filter() for Objects
...ate an object from an array of key/value pairs) with Object.fromEntries (ES2019).
It leads to this "one-liner" method on Object:
Object.filter = (obj, predicate) =>
Object.fromEntries(Object.entries(obj).filter(predicate));
// Example use:
var scores = {
John: 2...
How do you stretch an image to fill a while keeping the image's aspect-ratio?
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Update 2019.
You can now use the object-fit css property that accepts the following values: fill | contain | cover | none | scale-down
https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit
As an example, you could have a co...
How do I generate a random int number?
... to Random out there to make your random-ness more robust: ericlippert.com/2019/02/04/fixing-random-part-2 and codeblog.jonskeet.uk/2009/11/04/revisiting-randomness .
– Jesse C. Slicer
Oct 8 '19 at 19:30
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How do I get the SharedPreferences from a PreferenceActivity in Android?
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Updated 2019
You can simply use PowerPreference library
https://github.com/AliEsaAssadi/Android-Power-Preference
Getting shared preference instance
To get the default instance you just need to call
PowerPreference.getDefaultFile...
In Python, how do I read the exif data for an image?
...2'
# Make:'FUJIFILM'
# ...
# DateTime:'2019:12:01 21:30:07'
# ...
Tested with Python 3.6.8 and Pillow==6.0.0.
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Visual Studio Copy Project
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Update: The best answer as of 2019, is the one below by @Shane. Making VS Templates is the perfect way to clone projects without references issues.
– Vikram K
Jul 25 '19 at 10:55
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