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MySQL convert date string to Unix timestamp
... Look the STR_TO_DATE documentation to have more information on the format string.
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What is “overhead”?
...
Overhead typically reffers to the amount of extra resources (memory, processor, time, etc.) that different programming algorithms take.
For example, the overhead of inserting into a balanced Binary Tree could be much larger than the same insert into a simple Linked Li...
What are “res” and “req” parameters in Express functions?
...er or not it's able to understand HTTP compression, etc.
An array of query string parameters if there were any, in request.query (e.g. /people.json?foo=bar would result in request.query.foo containing the string "bar").
To respond to that request, you use the response object to build your response...
Convert object to JSON in Android
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Most people are using gson : check this
Gson gson = new Gson();
String json = gson.toJson(myObj);
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...:contacts, id: false do |t|
t.column :id, :uuid, null:false
t.string :name
t.string :mobile_no
t.timestamps
end
end
end
Final how to use into your model
class Contact < ActiveRecord::Base
usesguid
end
This will help you to configure UUID for your rails ap...
When to use IList and when to use List
...List<T> but had to later change to use a custom list library for the extra functionality it provided. Because I'd only returned an IList<T> none of the people that used the library had to change their code.
Of course that only need apply to methods that are externally visible (i.e. publ...
How to find out what character key is pressed?
.../Firefox/Opera
keynum = e.which;
}
alert(String.fromCharCode(keynum));
}
</script>
<form>
<input type="text" onkeypress="return myKeyPress(event)" />
</form>
JQuery:
$(document).keypress(function(event){
alert(String.fromCharCode(ev...
How to Right-align flex item?
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@Zanshin13 The other answers all write so much extra css that you might as well leave out the flex container and code the whole thing yourself :)
– Kokodoko
Aug 15 '17 at 14:12
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Why doesn't Java offer operator overloading?
...ounds C++ operator overloading is supposed to be?
We could overload the toString() method of a MyComplexNumber class to have it return the stringified hour of the day. Should the toString() overloading be banned, too? We could sabotage MyComplexNumber.equals to have it return a random value, modify...
Ways to save Backbone.js model data?
...ne.Model.extend({
defaults: {
flavor: 'Boston Cream', // Some string
price: '0.50' // Dollars
}
});
To populate the model there are a few ways to do so. For example, you can set up your model instance by passing in a JSON OR use method called set() which takes a JSON obje...