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Clone Object without reference javascript [duplicate]
... object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result in the original object:
...
Shared-memory objects in multiprocessing
...!')
def __freeArray(self, hdl):
self.lock.acquire()
# set reference to None
if self.shared_arrays[hdl] is not None: # consider multiple calls to free
self.shared_arrays[hdl] = None
self.cnt -= 1
self.lock.release()
def __getArray(self...
How to view or edit localStorage
...r add new items, you'll have to do it through the console and localStorage.setItem('key', 'value')
– Jim Aho
Aug 11 '17 at 11:43
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Iterate over model instance field names and values in template
I'm trying to create a basic template to display the selected instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the ...
Convert Bitmap to File
...quality. Some formats, like PNG which is lossless, will ignore the quality setting
– wired00
Sep 23 '13 at 6:28
3
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how to run two commands in sudo?
...ing like:
sudo -u db2inst1 -s -- "db2 connect to ttt; db2 UPDATE CONTACT SET EMAIL_ADDRESS = 'mytestaccount@gmail.com'"
If your sudo version doesn't work with semicolons with -s (apparently, it doesn't if compiled with certain options), you can use
sudo -- sh -c 'whoami; whoami'
instead, whi...
Converting XML to JSON using Python?
...s already been mentioned in newer answers. It still only covers a small subset of valid XML constructs, but probably the majority of what people use in practice.
– Dan Lenski
Dec 5 '18 at 11:48
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Vertically align text to top within a UILabel
...
There's no way to set the vertical-align on a UILabel, but you can get the same effect by changing the label's frame. I've made my labels orange so you can see clearly what's happening.
Here's the quick and easy way to do this:
[myLabel ...
Programmatically scroll a UIScrollView
...roll view with one of the following statements in Objective-C
[scrollView setContentOffset:CGPointMake(x, y) animated:YES];
or Swift
scrollView.setContentOffset(CGPoint(x: x, y: y), animated: true)
See the guide "Scrolling the Scroll View Content" from Apple as well.
To do slideshows with UIS...
Find intersection of two nested lists?
...
You can use filter(set(c1).__contains__, sublist) for efficiency. btw, the advantage of this solution is that filter() preserves strings and tuples types.
– jfs
Mar 14 '09 at 10:46
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