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Checking whether a variable is an integer or not [duplicate]
...t use type. It is almost never the right answer in Python, since it blocks all the flexibility of polymorphism. For instance, if you subclass int, your new class should register as an int, which type will not do:
class Spam(int): pass
x = Spam(0)
type(x) == int # False
isinstance(x, int) # True
Thi...
iPhone 5 CSS media query
...Keep in mind it reacts the iPhone 5, not to the particular iOS version installed on said device.
To merge with your existing version, you should be able to comma-delimit them:
@media only screen and (max-device-width: 480px), only screen and (min-device-width: 560px) and (max-device-width: 1136px)...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...20
This solution necessarily comes nine years after the question was originally asked, because until fairly recently, most browsers have not been able to handle favicons in .svg format.
That's not the case anymore.
See: https://caniuse.com/#feat=link-icon-svg
1) Choose SVG as the Favicon format
Rig...
Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
...
Is memcached a dinosaur in comparison to Redis? [closed]
...ould not care too much about performances. Redis is faster per core with small values, but memcached is able to use multiple cores with a single executable and TCP port without help from the client. Also memcached is faster with big values in the order of 100k. Redis recently improved a lot about bi...
Set icon for Android application
...e Assets → select launcher icon → choose image file.
It will automatically re-size.
Done!
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Why is Maven downloading the maven-metadata.xml every time?
Below is the error I usually get when my internet connection is flanky when trying to build a web application with maven.
...
Best ways to teach a beginner to program? [closed]
...and I'll be doing an after school workshop with high school students this fall. This is the closest thing I've got to documentation. It's still a work in progress, but I hope it helps.
1) FizzBuzz. Start with command line programs. You can write some fun games, or tools, very quickly, and you learn...
Align labels in form next to input
...technology has made for what I think is a better solution. CSS Grid Layout allows us to structure a more elegant solution.
The CSS below provides a 2-column "settings" structure, where the first column is expected to be a right-aligned label, followed by some content in the second column. More comp...
How can I check if a view is visible or not in Android? [duplicate]
...sible.
View.INVISIBLE
The view is invisible, but any spacing it would normally take up will still be used. Its "invisible"
View.GONE
The view is gone, you can't see it and it doesn't take up the "spot".
So to answer your question, you're looking for:
if (myImageView.getVisibility() == View.VISIB...