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Which is the preferred way to concatenate a string in Python?
...esulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
a.append(b):
0.010656118392944336
The end string, therefore, ends up being about 100MB long. That was pret...
Adding a directory to the PATH environment variable in Windows
... It is theoretically possible, no practical CRT implementation I know of actually does this. Explorer does.
– Hans Passant
Jun 21 '16 at 16:35
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How to display Base64 images in HTML?
...SuGq1uTrfUgMEp9EJ+CQvr+BJ/AAKvAcCiAR+bf9CjAAluzmdX4AEIIAAAAASUVORK5CYII=
Now it's simple to use.
You have to just put it in the src of the image and define there as it is in base64 encoded form.
Example:
<img src="data:image/jpeg;base64,iVBORw0KGgoAAAANSUhEUgAAABkAAAAZCAYAAADE6YVjAAAAGXRFWHR...
View's getWidth() and getHeight() returns 0
...victim)
2. Add a runnable to the layout queue: View.post()
Not very well known and my favourite solution. Basically just use the View's post method with your own runnable. This basically queues your code after the view's measure, layout, etc. as stated by Romain Guy:
The UI event queue will proces...
Should a function have only one return statement?
...
This is known as a "guard statement" is Fowler's Refactoring.
– Lars Westergren
Sep 26 '08 at 10:22
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All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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What is the difference between IQueryable and IEnumerable?
...es a real practical difference in use.
– Ishmael Smyrnow
Jun 30 '11 at 16:29
2
Instead of taking ...
How do I exclude all instances of a transitive dependency when using Gradle?
...understand translates to group:name:version in Gradle. But then, how do I know what module (in gradle-speak) a particular Maven artifact belongs to?
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Set theme for a Fragment
...Activity().getLayoutInflater().cloneInContext(contextThemeWrapper);
// Now take note of the parameter passed into AlertDialog.Builder constructor
AlertDialog.Builder builder = new AlertDialog.Builder(contextThemeWrapper);
View view = inflater.inflate(R.layout.set_server_dialog, null);
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Add unique constraint to combination of two columns
...able and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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