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How do I update/upsert a document in Mongoose?
...t = new Contact({
phone: request.phone,
status: request.status
});
// Convert the Model instance to a simple object using Model's 'toObject' function
// to prevent weirdness like infinite looping...
var upsertData = contact.toObject();
// Delete the _id property, otherwise Mongo will return a ...
How to display Toast in Android?
...Toast.LENGTH_LONG).show();
We can define two constants for duration:
int LENGTH_LONG Show the view or text notification for a long period
of time.
int LENGTH_SHORT Show the view or text notification for a short period
of time.
Customizing your toast
LayoutInflater myInflater...
How to set input type date's default value to today?
...
The date will be converted into UTC time. If you're at 6pm on 2018-03-27 in -0600 and you set the valueAsDate to new Date(), the fields value will be set to 2018-03-28. See austinfrance.wordpress.com/2012/07/09/…
– Aup...
Call UrlHelper in models in ASP.NET MVC
...nk according to routing info
Example:
public class MyModel
{
public int ID { get; private set; }
public string Link
{
get
{
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
return url.Action("ViewAction", "MyModelContro...
Difference between JOIN and INNER JOIN
... measure of query or program complexity. Real life complexity comes from maintainability, where readability plays a major role. The fact that when it says INNER JOIN, you can be sure of what it does and that it's supposed to be just that, whereas a plain JOIN will leave you, or someone else, wonderi...
Nested function in C
...complex logic by relying one or more nested functions to break the problem into smaller, logical pieces.
They simplify parameter passing in some cases. A nested function has access to all the parameters and some or all of the variables in the scope of the outer function, so the outer function doesn'...
Styling HTML email for Gmail
...
Use inline styles for everything. This site will convert your classes to inline styles: http://premailer.dialect.ca/
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How to find the sum of an array of numbers
...resentation of JavaScript code. Using the Array.prototype.join function to convert the array to a string, we change [1,2,3] into "1+2+3", which evaluates to 6.
console.log(
eval([1,2,3].join('+'))
)
//This way is dangerous if the array is built
// from user input as it may be exploited ...
Shell - Write variable contents to a file
...s -- right now, any runs of whitespace within the variable's value will be converted to a single space, glob expressions will be expanded, etc.
– Charles Duffy
Jul 23 '12 at 19:54
...
mysql update column with value from another table
... two tables:
for instance you want to copy the value of name from tableA into tableB where they have the same ID
UPDATE tableB t1
INNER JOIN tableA t2
ON t1.id = t2.id
SET t1.name = t2.name
WHERE t2.name = 'Joe'
UPDATE 1
UPDATE tableB t1
INNER JOIN tableA t2
...