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Python __call__ special method practical example
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Django forms module uses __call__ method nicely to implement a consistent API for form validation. You can write your own validator for a form in Django as a function.
def custom_validator(value):
#your validation logic
Django has some default built-in validators su...
What is a patch in git version control?
I am new to both git and version control so I am trying to figure out what a patch is and how is it different from the rest of activities I do in git?
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ViewPager PagerAdapter not updating the View
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There are several ways to achieve this.
The first option is easier, but bit more inefficient.
Override getItemPosition in your PagerAdapter like this:
public int getItemPosition(Object object) {
return POSITION_NONE;
}
This way, when you c...
How to activate virtualenv?
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Here is my workflow after creating a folder and cd'ing into it:
$ virtualenv venv --distribute
New python executable in venv/bin/python
Installing distribute.........done.
Installing pip................done.
$ source venv/bin/activate
(venv)$ python
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Permission denied on accessing host directory in Docker
In short: I am trying to mount a host directory in Docker, but then I can not access it from within the container, even if the access permissions look good.
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Unicode characters in URLs
...ly you're right! If you cut'n'paste a %-encoded URL Firefox will turn it into the correct thing for display.
– Dean Harding
Apr 30 '10 at 7:44
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How to dynamically update a ListView on Android [closed]
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First, you need to create an XML layout that has both an EditText, and a ListView.
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_pare...
How do you fade in/out a background color using jquery?
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This exact functionality (3 second glow to highlight a message) is implemented in the jQuery UI as the highlight effect
https://api.jqueryui.com/highlight-effect/
Color and duration are variable
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Can attributes be added dynamically in C#?
Is it possible to add attributes at runtime or to change the value of an attribute at runtime?
10 Answers
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How to remove the focus from a TextBox in WinForms?
I need to remove the focus from several TextBoxes. I tried using:
19 Answers
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