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Check if an apt-get package is installed and then install it if it's not on Linux
... is available
The documentations are also very unclear, e.g.:
sudo apt dselect-upgrade
did not remove certbot when it was marked as deinstall, even though man apt-get seems to indicate that:
dselect-upgrade is used in conjunction with the traditional Debian packaging front-end, dselect(1). ...
Use of var keyword in C#
...oing things like var customers = whatever; var query = from c in customers select stuff it doesn't matter what the exact type of 'customers' is. It's obvious how you can use it, and that's enough. And if the actual type is cumbersome, it's worthwhile to suppress it.
– Joren
...
Debug vs Release in CMake
... CXX)
Would compile .c files with g++. The link above also shows how to select a specific compiler for C/C++.
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How do you clear the focus in javascript?
...ect when using TypeScript, as you may not know the kind of element that is selected.
This would therefore be preferred:
if (document.activeElement instanceof HTMLElement)
document.activeElement.blur();
I would furthermore discourage using the solution provided in the accepted answer, as the ...
Correct way of using JQuery-Mobile/Phonegap together?
...)');
}
// Query the database
//
function queryDB(tx) {
tx.executeSql('SELECT * FROM DEMO', [], querySuccess, errorCB);
}
// Query the success callback
//
function querySuccess(tx, results) {
var len = results.rows.length;
//console.log("DEMO table: " + len + " rows found.");
$('#re...
Split comma-separated strings in a column into separate rows
... occasions, because the datatable approaches only produce tables with the "selected" columns, while dplyr produces a result with all the columns (including the ones not involved in the analysis and without having to write their names in the function).
– Ferroao
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How do I access an access array item by index in handlebars?
... This should be the answer because it is more thorough than the selected answer. Requiring square brackets when the index is at the end had me stuck for a while!
– modulitos
Mar 11 '15 at 21:40
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Creating a div element in jQuery [duplicate]
... @halfer vice versa then, use single quotes in javascript for selectors and any appended html with double quotes.
– Ricki
Oct 22 '11 at 18:04
72
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How to add a custom button state
...tion indicated by @(Ted Hopp) works, but needs a little correction: in the selector, the item states need an "app:" prefix, otherwise the inflater won't recognise the namespace correctly, and will fail silently; at least this is what happens to me.
Allow me to report here the whole solution, with s...
How do I configure emacs for editing HTML files that contain Javascript?
...n but a quick fix if you really need to have javascript in your html is to select the region containing javascript and use the command narrow-to-region(C-x n n) and then switch to your preferred javascript mode. The command widen brings you back, (C-x n w).
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