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How to limit the maximum value of a numeric field in a Django model?
...erRangeField(min_value=-100, max_value=100)
What would be really cool is if it could be called with the range operator like this:
size = fields.IntegerRangeField(range(1, 50))
But, that would require a lot more code since since you can specify a 'skip' parameter - range(1, 50, 2) - Interesting ...
overlay two images in android to set an imageview
...;
<item android:drawable="@drawable/tt" />
</layer-list>
Now set the image using that Drawable:
testimage.setImageDrawable(getResources().getDrawable(R.layout.layer));
Solution #2 (dynamic):
Resources r = getResources();
Drawable[] layers = new Drawable[2];
layers[0] = r.getDra...
Proper way to return JSON using node or Express
...
That response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = req...
Adding gif image in an ImageView in android
...animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
18 Answers...
vagrant up failed, /dev/vboxnetctl: no such file or directory
...untu 16.04, I followed steps 1-3 here and it solved my issues (virtual box now up and running). Thanks!
– NineToeNerd
Jan 14 '18 at 4:56
...
What's the meaning of interface{}?
...rything has a Type. You can define a new type, let's call it T. Let's say now our Type T has 3 methods: A, B, C.
The set of methods specified for a type is called the "interface type". Let's call it in our example: T_interface. Is equal to T_interface = (A, B, C)
You can create an "interface type" ...
What's the difference between process.cwd() vs __dirname?
What's the difference between
4 Answers
4
...
How to perform mouseover function in Selenium WebDriver using Java?
...e element that reveals the others, then during the same chain, move to the now revealed element and click on it.
When using Action Chains you have to remember to 'do it like a user would'.
Actions action = new Actions(webdriver);
WebElement we = webdriver.findElement(By.xpath("html/body/div[13]/ul...
How to make inline functions in C#
...(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ignored
{
Console.WriteLine("Hello world!");
}
Lambdas are new in C# 3.0 and come in two flavours.
Expression lambdas:
Func<int, int, int> add = (int x, int y) => x + y; // or...
Func<int, int, int> ...
How to remove all debug logging calls before building the release version of an Android app?
...See also the examples in the ProGuard manual.
Update (4.5 years later): Nowadays I used Timber for Android logging.
Not only is it a bit nicer than the default Log implementation — the log tag is set automatically, and it's easy to log formatted strings and exceptions — but you can also spec...