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Get decimal portion of a number with JavaScript
...put is string. I also have to note that this answer returns a string in an array. A more complete solution is parseFloat('0.' + (n + '').split('.')[1])
– totymedli
Mar 30 '19 at 1:59
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Is it possible to read the value of a annotation in java?
...a list you could use this oneliner:
List<String> columns =
Arrays.asList(MyClass.class.getFields())
.stream()
.filter(f -> f.getAnnotation(Column.class)!=null)
.map(f -> f.getAnnotation(Column.class).columnName())
.collect...
Load local JSON file into variable
...quotes (" not ') unless the value is numeric, boolean, null, or composite (array or object). JSON cannot contain functions or undefined values. Below is your object as valid JSON.
{
"id": "whatever",
"name": "start",
"children": [
{
"id": "0.9685",
"name": " contents:queue"
...
How to drop a list of rows from Pandas dataframe?
...counterintuitively, to take the remaining rows.
Let indexes_to_drop be an array of positional indexes to drop ([1, 2, 4] in the question).
indexes_to_keep = set(range(df.shape[0])) - set(indexes_to_drop)
df_sliced = df.take(list(indexes_to_keep))
In my case this took 20.5s, while the simple df.d...
Get properties and values from unknown object
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There is no really need to create a list from array, simply PropertyInfo[] props = input.GetType().GetProperties();
– VladL
Dec 17 '14 at 10:11
2
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How to convert hashmap to JSON object in Java
...n.toJson(myObject);
Gson will automatically convert collections to JSON arrays. Gson can serialize private fields and automatically ignores transient fields.
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Fastest way to get the first object from a queryset in django?
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You can use array slicing:
Entry.objects.all()[:1].get()
Which can be used with .filter():
Entry.objects.filter()[:1].get()
You wouldn't want to first turn it into a list because that would force a full database call of all the records...
Using CSS in Laravel views?
.../css/style.css') }}" rel="stylesheet">
{{ HTML::style('css/style.css', array('media' => 'print')) }}
It will search the style file in the public folder of Laravel and then will render it.
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getting the ng-object selected with ng-change
... of the situation. item is a object that is created page load. the sizes array of objects comes in on user interaction with an edit button, so if I do this it will override the entire item object. I need a way to create a bunch of options in a select box that preselects a value from a completely s...
Checking if object is empty, works with ng-show but not from controller?
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Or, if using lo-dash: _.empty(value).
"Checks if value is empty. Arrays, strings, or arguments objects with a length of 0 and objects with no own enumerable properties are considered "empty"."