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How can I rename a field for all documents in MongoDB?
...rmer way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
T...
How can I write text on a HTML5 canvas element?
...
var canvas = document.getElementById("my-canvas");
var context = canvas.getContext("2d");
context.fillStyle = "blue";
context.font = "bold 16px Arial";
context.fillText("Zibri", (canvas.width / 2) - 17, (canvas.height / 2) + 8);
#my-canvas {
backgro...
How do I quickly rename a MySQL database (change schema name)?
...hpMyAdmin, select the database you want to select. In the tabs there's one called Operations, go to the rename section. That's all.
It does, as many suggested, create a new database with the new name, dump all tables of the old database into the new database and drop the old database.
...
Backbone.js fetch with parameters
...fetch({ data: $.param({ page: 1}) });
So with out over doing it, this is called with your {data: {page:1}} object as options
Backbone.sync = function(method, model, options) {
var type = methodMap[method];
// Default JSON-request options.
var params = _.extend({
type: t...
Differences and relationship between glActiveTexture and glBindTexture
... must first bind it to the context. This is done with some from of glBind* call.
The C/C++ equivalent to this is as follows:
Object *g_objs[MAX_LOCATIONS] = {NULL};
void BindObject(int loc, Object *obj)
{
g_objs[loc] = obj;
}
Textures are interesting; they represent a special case of bindi...
How to split strings across multiple lines in CMake?
... that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code:
7 An...
Open-sided Android stroke?
Is it possible to create an Android shape object with stroke on only certain sides?
8 Answers
...
Remove commas from the string using JavaScript
...float should always be clean input
// Do the actual math and setState calls here
}
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Adding an identity to an existing column
I need to change the primary key of a table to an identity column, and there's already a number of rows in table.
19 Answe...
How can I position my div at the bottom of its container?
...ive;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="container">
<!-- Other elements here -->
<div id="copyright">
Copyright Foo web designs
</div>
</div>
...