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When should TaskCompletionSource be used?
...tation is that this generates a memory leak as the event is never released from obj.Done
– Walter Vehoeven
Apr 29 '18 at 8:02
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Is it safe to resolve a promise multiple times?
... I think this is wrong. You could simply return the promise from getUsers and then invoke .then() on that promise as many times as you want. There is no need to pass a callback. In my opinion one of the advantages of promises is that you don't need to specify the callback up front.
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How to use a link to call JavaScript?
...ng (XSS) and data injection attacks. These attacks are used for everything from data theft to site defacement or distribution of malware. Read more here.
Accessibility: Anchor tags are for linking to other documents/pages/resources. If your link doesn't go anywhere, it should be a button. This makes...
Python recursive folder read
...orking with files. You can do a recursive glob on a Path object like so.
from pathlib import Path
for elem in Path('/path/to/my/files').rglob('*.*'):
print(elem)
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Ng-model does not update controller value
...ularJS nested scopes are created through this mechanism. And value created from ng-model is placed in children scope, not saying parent scope (maybe the one injected into controller) won't see the value, the value will also shadow any property with same name defined in parent scope if not use dot to...
How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
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And if you need the value to come from your ViewModel; new { @class = "myCheckBox", data_externalid = Model.ExternalId } I came looking for help on this topic and this was what I needed. :)
– Scott Fraley
Jan 26 '17 at 1...
Differences between strong and weak in Objective-C
...safety. atomic guarantees that the property can be safely read and written from several threads at the same time. That does not mean an object whose properties are all atomic is automatically thread-safe.
– Ole Begemann
Jul 22 '13 at 9:38
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Using pickle.dump - TypeError: must be str, not bytes
...file_object.read()
deserialized = pickle.loads(raw_data)
print("Loading from serialized file: ")
user2 = deserialized
print(user2.name)
print("------------")
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How to change an Android app's name?
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@lxknvlk, from my testing on Android 5 and 5.1, the name referred to in this answer is displayed in the list of installed applications, the uninstall dialog, and the "App Info" screen for your app. If you want to customise the name sh...
What is the lifecycle of an AngularJS Controller?
...) {
// say hello to your new content here
// BUT NEVER TOUCHES THE DOM FROM A CONTROLLER
});
Here is a Plunker with a concept proof (open your console window).
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