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PostgreSQL: Difference between text and varchar (character varying)
...variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to ...
How do I display an alert dialog on Android?
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community wiki
9 revs, 9 users 52%David Hedlund
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Converting JSON String to Dictionary Not List
...ting list slice. What you need to use to get the result you want is a list comprehension:
[p[0] for p in datapoints[0:5]]
Here's a simple way to calculate the mean:
sum(p[0] for p in datapoints[0:5])/5. # Result is 35.8
If you're willing to install NumPy, then it's even easier:
import numpy
j...
How to start a background process in Python?
...ect in python? I'd like these processes not to die when the python scripts complete. I am sure it's related to the concept of a daemon somehow, but I couldn't find how to do this easily.
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JavaScript displaying a float to 2 decimal places
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EditText, clear focus on touch outside
...s answer below. It is based on this, but doesn't need a view stackoverflow.com/a/28939113/969016
– Boy
Jun 20 '16 at 12:33
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Difference between a “coroutine” and a “thread”?
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How to change color of Android ListView separator line?
...the divider too.
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ListView
android:id="@+id/android:list"
android:layout_width="wrap_content"
android:layout_height="wrap...
.gitignore exclude folder but include specific subfolder
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