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Set a persistent environment variable from cmd.exe
...wered May 5 '11 at 13:09
Vik DavidVik David
3,00633 gold badges1919 silver badges2626 bronze badges
...
Detect all changes to a (immediately) using JQuery
...does not handle when text changed via javascript like document.getElementById('txtInput').value = 'some text';
– Mehmet Ataş
Aug 9 '12 at 13:34
...
In Mongoose, how do I sort by date? (node.js)
...evolved over the releases such that some of these answers are no longer valid. As of the 4.1.x release of Mongoose, a descending sort on the date field can be done in any of the following ways:
Room.find({}).sort('-date').exec(function(err, docs) { ... });
Room.find({}).sort({date: -1}).exec(funct...
returning in the middle of a using block
... problem.
The only case it will cause you issues is if you return in the middle of a using statement and additionally return the in using variable. But then again, this would also cause you issues even if you didn't return and simply kept a reference to a variable.
using ( var x = new Something...
How to print HTML content on click of a button, but not the page? [duplicate]
...me across another elegant solution for this:
Place your printable part inside a div with an id like this:
<div id="printableArea">
<h1>Print me</h1>
</div>
<input type="button" onclick="printDiv('printableArea')" value="print a div!" />
Now let's create a rea...
How to add calendar events in Android?
I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
...
difference between scope and namespace of ruby-on-rails 3 routing
...
To better understand the difference: consider using scopes for localization via URL and namespacing for nesting, for example the url:domain.com/nl/admin/panel. The nl is a scope, and admin is a namespace.
– Valentin Vasilyev
Se...
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...
TypeScript: problems with type system
...ave a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code
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Types in MySQL: BigInt(20) vs Int(20)
... in INT(20) and BIGINT(20) means almost nothing. It's a hint for display width. It has nothing to do with storage, nor the range of values that column will accept.
Practically, it affects only the ZEROFILL option:
CREATE TABLE foo ( bar INT(20) ZEROFILL );
INSERT INTO foo (bar) VALUES (1234);
S...