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How do I sort a dictionary by value?
...x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
>>> {k: v for k, v in sorted(x.items(), key=lambda item: item[1])}
{0: 0, 2: 1, 1: 2, 4: 3, 3: 4}
Older Python
It is not possible to sort a dictionary, only to get a representation of a dictionary that is sorted. Dictionaries are inherently orderless, bu...
Total number of items defined in an enum
How can I get the number of items defined in an enum?
10 Answers
10
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Multi-gradient shapes
...mlns:android="http://schemas.android.com/apk/res/android"
>
<item
android:drawable="@drawable/green_horizontal_gradient"
android:id="@+id/green_gradient"
/>
<item
android:drawable="@drawable/half_overlay"
android:id="@+id/half_overlay"
...
Fullscreen Activity in Android?
....FullScreen" parent="@style/Theme.AppCompat.Light.NoActionBar">
<item name="android:windowNoTitle">true</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowFullscreen">true</item>
<item name="android:windowConte...
Update a record without first querying?
Lets say I query the database and load a list of items. Then I open one of the items in a detail view form, and instead of re-querying the item out of the database, I create an instance of the item from the datasource in the list.
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Why does javascript map function return undefined?
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You aren't returning anything in the case that the item is not a string. In that case, the function returns undefined, what you are seeing in the result.
The map function is used to map one value to another, but it looks you actually want to filter the array, which a map fun...
Html List tag not working in android textview. what can i do?
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So far the best solution. Thank you
– peter.bartos
Jul 31 '13 at 17:27
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javascript find and remove object in array based on key value
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In you case where you want to delete all items with id=something is fine ... but be careful when using $.grep as it searches the full array and for long arrays it is not efficient. Sometimes you just need to check if the element exists inside the array by a given ID...
How to keep indent for second line in ordered lists via CSS?
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This is by far the best answer of all the solutions in this page. It is much more convenient than others. If you're hesitating with which answer to choose, pick this one.
– Valentin Mercier
Jun 25 '14 at 9...
Find an element in a list of tuples
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If you just want the first number to match you can do it like this:
[item for item in a if item[0] == 1]
If you are just searching for tuples with 1 in them:
[item for item in a if 1 in item]
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