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How do I convert an object to an array?
...k at get_object_vars , as your properties are declared private you should call this inside the class and return its results.
Be careful, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects.
in your case you have to do something like;
<...
In WPF, what are the differences between the x:Name and Name attributes?
...ed implicit and explicit garbage collection. I read: support.scichart.com/index.php?/News/NewsItem/View/21/… Found that reducing x:Name further improved performance.
– MachinusX
Aug 20 '14 at 3:40
...
Which is more efficient, a for-each loop, or an iterator?
...le lookup before the jump) and as well has to do fields lookup: #1 get the index and #2 get the reference to the array to do the offset into it (in every iteration).
A potential optimiziation is to switch to an index iteration with the cached size lookup:
for(int x = 0, size = customList.size(); ...
Swift: Pass array by reference?
...n, Reflectable, ... {
var array : Array<T>
// ...
subscript (index: Int) -> T {
get { return array[index] }
set(newValue) { array[index] = newValue }
}
}
Use the BoxedArray anywhere you'd use an Array. Assigning of a BoxedArray will be by reference, it is a class, and ...
How do I reverse an int array in Java?
...ta[right];
data[right] = temp;
// move the left and right index pointers in toward the center
left++;
right--;
}
}
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Getting DOM elements by classname
...tains(concat(' ', normalize-space(@class), ' '), ' $classname ')]");
Basically, all we do here is normalize the class attribute so that even a single class is bounded by spaces, and the complete class list is bounded in spaces. Then append the class we are searching for with a space. This way we ar...
Iterate through object properties
... true for obj.hasOwnProperty(key)).
Object.keys(obj).forEach(function(key,index) {
// key: the name of the object key
// index: the ordinal position of the key within the object
});
This is better (and more readable) than using a for-in loop.
Its supported on these browsers:
Firefox ...
Lazy Method for Reading Big File in Python?
...partial(f_in.read, 1024*1024)
iterator = iter(part_read, b'')
for index, block in enumerate(iterator, start=1):
block = process_block(block) # process your block data
with open(f'{index}.txt', 'w') as f_out:
f_out.write(block)
Switching to a TabBar tab view programmatically?
...ry this code in Swift or Objective-C
Swift
self.tabBarController.selectedIndex = 1
Objective-C
[self.tabBarController setSelectedIndex:1];
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How to base64 encode image in linux bash / shell
...d DSC_0251.base64 > DSC_0251.JPG
See: http://www.greywyvern.com/code/php/binary2base64
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