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How can I make an “are you sure” prompt in a Windows batchfile?
...s possible with CHOICE to define a default option and a timeout to automatically continue with default option after some seconds without waiting for the user.
The output is better on answering the prompt automatically from another batch file which calls the batch file with the prompt using something...
Interface vs Base class
..., and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abstract class Mammal
This base class will probably have default methods such as:
F...
Why is exception handling bad?
...language has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why?
15 Answers
...
How to replace DOM element in place using Javascript?
...t;html>
<head>
</head>
<body>
<div>
<a id="myAnchor" href="http://www.stackoverflow.com">StackOverflow</a>
</div>
<script type="text/JavaScript">
var myAnchor = document.getElementById("myAnchor");
var mySpan = document.createElement("sp...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...nite-scroller/
You can check out the source code for the logic, but I basically followed the recipe @Vjeux outlined in the above answer. I haven't yet tackled jumping to a particular item, but I'm hoping to implement that soon.
Here's the nitty-gritty of what the code currently looks like:
var Re...
Find objects between two dates MongoDB
I've been playing around storing tweets inside mongodb, each object looks like this:
14 Answers
...
Stop an input field in a form from being submitted
...could insert input fields without "name" attribute:
<input type="text" id="in-between" />
Or you could simply remove them once the form is submitted (in jQuery):
$("form").submit(function() {
$(this).children('#in-between').remove();
});
...
How to make HTML input tag only accept numerical values?
...ue.
The input is not part of a form. Hence it doesn't get submitted, so validating during submission is not an option. I want the user to be unable to type in any characters other than numbers.
...
Date query with ISODate in mongodb doesn't seem to work
..."2012-01-01T15:00:00.000Z"}})
you'll get error:
error: { "$err" : "invalid operator: $date", "code" : 10068 }
Try this:
db.mycollection.find({
"dt" : {"$gte": new Date("2013-10-01T00:00:00.000Z")}
})
or (following comments by @user3805045):
db.mycollection.find({
"dt" : {"$gte": ISO...
Search for all occurrences of a string in a mysql database [duplicate]
...l in a database. I want to search all tables and all fields. But I have no idea where to start or if it's even possible.
17...
