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In C++, is it still bad practice to return a vector from a function?
...ere are times it makes sense to pass around collection-like objects (e.g., strings) but for the example cited, I'd consider passing or returning the vector a poor idea.
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Rails params explained?
...re really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote...
Java Ordered Map
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example: SortedMap<String, Object> map = new TreeMap<>();
– Ben
Jan 22 '17 at 22:11
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Should Gemfile.lock be included in .gitignore?
...> Always check in Gemfile.lock, make travis delete it if you want to be extra thorough https://grosser.it/2015/08/14/check-in-your-gemfile-lock/
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How can I put a ListView into a ScrollView without it collapsing?
... in charge of ListView for the past 2 or 3 years :) ListView does a lot of extra work to optimize the use of adapters. Trying to work around it will still cause ListView to do a lot of work a LinearLayout wouldn't have to do. I won't go into the details because there's not enough room here to explai...
Android. WebView and loadData
...sible to use following method for content's setting of a web-view
loadData(String data, String mimeType, String encoding)
9...
Setting PayPal return URL and making it auto return?
...--------------------------------------------------------------
$product_id_string = $_POST['custom'];
$product_id_string = rtrim($product_id_string, ","); // remove last comma
// Explode the string, make it an array, then query all the prices out, add them up, and make sure they match the payment_gr...
How does one generate a random number in Apple's Swift language?
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SoliQuiD: except omit the extra underscore after arc4, i.e. arc4random_uniform(5).
– Ali Beadle
Jun 17 '17 at 10:43
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List View Filter Android
...d.inputSearch);
// Adding items to listview
adapter = new ArrayAdapter<String>(this, R.layout.list_item, R.id.product_name, products);
lv.setAdapter(adapter);
inputSearch.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence cs, int arg...
How to serialize SqlAlchemy result to JSON?
...(db.Integer, primary_key=True, auto_increment=True)
email = db.Column(db.String(200), unique=True)
@app.route('/users/')
def users():
users = User.query.all()
return jsonify(users)
if __name__ == "__main__":
users = User(email="user1@gmail.com"), User(email="user2@gmail.com")
db.crea...