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Android - get children inside a View?
...
for(int index = 0; index < ((ViewGroup) viewGroup).getChildCount(); index++) {
View nextChild = ((ViewGroup) viewGroup).getChildAt(index);
}
Will that do?
...
Android layout replacing a view with another view on run time
... = findViewById(R.id.C);
ViewGroup parent = (ViewGroup) C.getParent();
int index = parent.indexOfChild(C);
parent.removeView(C);
C = getLayoutInflater().inflate(optionId, parent, false);
parent.addView(C, index);
If you don't want to replace already existing View, but choose between option1/option...
Applying .gitignore to committed files
...to leave the file in the repo but ignore future changes to it:
git update-index --assume-unchanged <file>
and to undo this:
git update-index --no-assume-unchanged <file>
to find out which files have been set this way:
git ls-files -v|grep '^h'
credit for the original answer to
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How to iterate over the keys and values in an object in CoffeeScript?
...ng array comprehension, which can be used as a one-line loop.
console.log index + ": " + elm for index, elm of array
Array comprehension are:
"Comprehensions replace (and compile into) for loops, with optional
guard clauses and the value of the current array index. Unlike for
loops, array...
How to use Python's pip to download and keep the zipped files for a package?
...IRC, I had to use sudo pip install <path-to-downloaded-package> --no-index --find-links `pwd`
– knocte
Nov 30 '16 at 9:09
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Import multiple csv files into pandas and concatenate into one DataFrame
....csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_index=True)
share
|
improve this answer
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Intellij IDEA show javadoc automatically
...A if I click Ctrl+Space I can see the auto-complete and if I click Ctrl+Q I can see the javadoc seperately.
3 Answers
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JS: iterating over result of getElementsByClassName using Array.forEach
...document.getElementsByClassName("myclass")).forEach(
function(element, index, array) {
// do stuff
}
);
In older browsers which don't support Array.from, you need to use something like Babel.
ES6 also adds this syntax:
[...document.getElementsByClassName("myclass")].forEach(
...
Insert line after first match using sed
...ered Mar 21 '13 at 22:27
Gilles QuenotGilles Quenot
135k2828 gold badges188188 silver badges191191 bronze badges
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Restricting input to textbox: allowing only numbers and decimal point
.../Check if the text already contains the . character
if (txt.value.indexOf('.') === -1) {
return true;
} else {
return false;
}
} else {
if (charCode > 31 &&
(charCode < 48 || charCode > 57))
retur...