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Pass data to layout that are common to all pages
... the action method.
public class HomeController
{
public ActionResult Index()
{
return this.View(new HomeViewModel { Name = "Bacon" });
}
}
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...
Difference between string and char[] types in C++
...'s size when you create it, and thus avoid re-allocation if you want. It's indexing operator ([]) provides constant time access (and is in every sense of the word the exact same thing as using a c-string indexer). Using the at method gives you bounds checked safety as well, something you don't get w...
Changing selection in a select with the Chosen plugin
...alue__209"
var arrayCurrent = jQuery('#searchlocation').val();
var index = arrayCurrent.indexOf(locID);
if (index > -1) {
arrayCurrent.splice(index, 1);
}
jQuery('#searchlocation').val(arrayCurrent).trigger('chosen:updated');
});
...
How to iterate object in JavaScript? [duplicate]
...
for(index in dictionary) {
for(var index in dictionary[]){
// do something
}
}
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Check if a Postgres JSON array contains a string
...e' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using info::jsonb;
create index on rabbits using gin ((info->'food'));
select info->>'name' from...
Best practices for in-app database migration for Sqlite
...unt INTEGER;", NULL, NULL, NULL);
sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS categories_id_idx ON categories(id);", NULL, NULL, NULL);
sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS categories_name_id ON categories(name);", NULL, NULL, NULL);
sqlite3_e...
Removing duplicates from a list of lists
... as the key, and print the keys.
create dictionary with tuple as key and index as value
print list of keys of dictionary
k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
dict_tuple = {tuple(item): index for index, item in enumerate(k)}
print [list(itm) for itm in dict_tuple.keys()]
# prints [...
How do I rename a column in a SQLite database table?
...ame is changed both within the table definition itself and also within all indexes, triggers, and views that reference the column. If the column name change would result in a semantic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied.
Image sour...
Altering column size in SQL Server
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If you have an index on that column you'll have to drop it, then execute the alter table code and then create the index again
– Sr.PEDRO
Sep 5 '17 at 19:18
...
How can I make a div stick to the top of the screen once it's been scrolled to?
...round-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect the top scrol...