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Quick and easy file dialog in Python?
...e any other dependencies.
To show only the dialog without any other GUI elements, you have to hide the root window using the withdraw method:
import tkinter as tk
from tkinter import filedialog
root = tk.Tk()
root.withdraw()
file_path = filedialog.askopenfilename()
Python 2 variant:
import Tki...
On showing dialog i get “Can not perform this action after onSaveInstanceState”
Some users are reporting, if they use the quick action in the notification bar, they are getting a force close.
16 Answers
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Using Application context everywhere?
...on Context when passing a context beyond the scope of an Activity to avoid memory leaks.
Also, as an alternative to your pattern you can use the shortcut of calling getApplicationContext() on a Context object (such as an Activity) to get the Application Context.
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How to force garbage collection in Java?
...in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC?
...
How should I print types like off_t and size_t?
...rdiff_t like in
printf("%zu %td", size, ptrdiff);
But my manpage says some older library used a different character than z and discourages use of it. Nevertheless, it's standardized (by the C99 standard). For those intmax_t and int8_t of stdint.h and so on, there are macros you can use, like anot...
SET NAMES utf8 in MySQL?
I often see something similar to this below in PHP scripts using MySQL
8 Answers
8
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How to prevent column break within an element?
...rted in Firefox but it is supported by every other major browser. With Chrome, I was able to use the above code, but I couldn't make anything work for Firefox (See Bug 549114).
The workaround you can do for Firefox if necessary is to wrap your non-breaking content in a table but that is a really, r...
Database development mistakes made by application developers [closed]
What are common database development mistakes made by application developers?
40 Answers
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How do you create a transparent demo screen for an Android app?
...
Put your demo info in a different activity and give it the following theme.
<style name="Transparent" parent="@android:style/Theme.NoTitleBar">
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowIsTranslucent">true</item>
&l...
Fill between two vertical lines in matplotlib
I went through the examples in the matplotlib documentation, but it wasn't clear to me how I can make a plot that fills the area between two specific vertical lines.
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