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What is the difference between Tomcat, JBoss and Glassfish?
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Border around specific rows in a table?
...ot really supposed to use tables for layout but I don't know enough CSS to completely replace it yet.
10 Answers
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Change “on” color of a Switch
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As of now it is better to use SwitchCompat from the AppCompat.v7 library. You can then use simple styling to change the color of your components.
values/themes.xml:
<style name="Theme.MyTheme" parent="Theme.AppCompat.Light">
<!-- colorPrimary is ...
String's Maximum length in Java - calling length() method
...t use nonnegative integer index
values. These variables are called the
components of the array. If an array
has n components, we say n is the
length of the array; the components of
the array are referenced using integer
indices from 0 to n - 1, inclusive.
Furthermore, the indexing must...
Check if element is visible in DOM
...t caught in this search, you will sadly (and slowly) have to use window.getComputedStyle(). The function in that case might be:
// Where el is the DOM element you'd like to test for visibility
function isHidden(el) {
var style = window.getComputedStyle(el);
return (style.display === 'none'...
Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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Detect whether there is an Internet connection available on Android [duplicate]
... should to use HttpURLConnection to some host, ping some host (e.g. google.com) or try to use InetAddress.getByName(hostName).isReachable(timeOut)
– Dimon
Aug 13 '14 at 14:10
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git - skipping specific commits when merging
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If you want to merge most but not all of the commits on branch "maint" to "master", for instance, you can do this. It requires some work---- as mentioned above, the usual use case is to merge everything from a branch--- but sometimes it happens that you made a change to...
Hidden features of Scala
...g pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why this works:
val (a, b, c) = (1, 3.14159, "Hello, world")
The right hand expression creates a Tuple3[Int, Double, String] which can match...
Is it possible to do a sparse checkout without checking out the whole repository first?
...list sub-folders to checkout
# they are checked out immediately after this command, no need to run git pull
Note that it requires git version 2.25 installed. Read more about it here: https://github.blog/2020-01-17-bring-your-monorepo-down-to-size-with-sparse-checkout/
UPDATE:
The above git clone...