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Android: how to check if a View inside of ScrollView is visible?
...iew -> LinearLayout -> ContraintLayout -> ... -> YourView).
fun ScrollView.isViewVisible(view: View): Boolean {
val scrollBounds = Rect()
this.getDrawingRect(scrollBounds)
var top = 0f
var temp = view
while (temp !is ScrollView){
top += (temp).y
tem...
Convert from ASCII string encoded in Hex to plain ASCII?
...
i'm just having fun, but the important parts are:
>>> int('0a',16) # parse hex
10
>>> ''.join(['a', 'b']) # join characters
'ab'
>>> 'abcd'[0::2] # alternates
'ac'
>>> zip('abc', '123') ...
What's the function like sum() but for multiplication? product()?
Python's sum() function returns the sum of numbers in an iterable.
8 Answers
8
...
nodejs how to read keystrokes from stdin
...s.openStdin();
require('tty').setRawMode(true);
stdin.on('keypress', function (chunk, key) {
process.stdout.write('Get Chunk: ' + chunk + '\n');
if (key && key.ctrl && key.name == 'c') process.exit();
});
...
Recursive file search using PowerShell
...Jun 20 '17 at 18:25
software is fun
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answered Dec 30 '11 at 8:38
...
How do you clear the focus in javascript?
...iveElement.blur()
If you need to support Firefox 2, you can also use this:
function onElementFocused(e)
{
if (e && e.target)
document.activeElement = e.target == document ? null : e.target;
}
if (document.addEventListener)
document.addEventListener("focus", onElementFocuse...
Sending emails with Javascript
...onclick="sendMail(); return false">Send</button>
The Javascript:
function sendMail() {
var link = "mailto:me@example.com"
+ "?cc=myCCaddress@example.com"
+ "&subject=" + encodeURIComponent("This is my subject")
+ "&body=" + encodeURICompon...
Changing the browser zoom level
... in IE and chrome although it does not work in firefox:
<script>
function toggleZoomScreen() {
document.body.style.zoom = "80%";
}
</script>
<img src="example.jpg" alt="example" onclick="toggleZoomScreen()">
...
Replace multiple whitespaces with single whitespace in JavaScript string
...ment these behaviors as methods, as in:
String.prototype.killWhiteSpace = function() {
return this.replace(/\s/g, '');
};
String.prototype.reduceWhiteSpace = function() {
return this.replace(/\s+/g, ' ');
};
This now enables you to use the following elegant forms to produce the strings y...
Encoding as Base64 in Java
...
Use Java 8's never-too-late-to-join-in-the-fun class: java.util.Base64
new String(Base64.getEncoder().encode(bytes));
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