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Find mouse position relative to element
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For people using JQuery:
Sometimes, when you have nested elements, one of them with the event attached to it, it can be confusing to understand what your browser sees as the parent. Here, you can specify which parent.
You take the mouse position, and t...
Best way to detect when a user leaves a web page?
...confirmation). Firefox has a hidden preference in about:config to do the same. In essence this means the user always confirms that the document may be unloaded.
– MJB
Jan 19 '15 at 17:29
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asp.net mvc: why is Html.CheckBox generating an additional hidden input
...heckbox on form not with Html.Hidden, but with <input type="checkbox" name="MyTestCheckboxValue"></input>. Leave checkbox unchecked, submit form and look at posted request values on server side. You'll see that there is no checkbox value. If you had hidden field, it would contain MyTestC...
Format number to always show 2 decimal places
....round(num * 100) / 100).toFixed(2);
Live Demo
var num1 = "1";
document.getElementById('num1').innerHTML = (Math.round(num1 * 100) / 100).toFixed(2);
var num2 = "1.341";
document.getElementById('num2').innerHTML = (Math.round(num2 * 100) / 100).toFixed(2);
var num3 = "1.345";
documen...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
...ommand prompt and all that.
But i want to know is it possible to install same apk file in to multiple emulator by giving any specific name ?
Actually i have to test one apk file in to many device. and for that i have started many device. I know how to install it. if the all device are open then it w...
Can HTML be embedded inside PHP “if” statement?
I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed.
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How to access a dictionary element in a Django template?
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To echo / extend upon Jeff's comment, what I think you should aim for is simply a property in your Choice class that calculates the number of votes associated with that object:
class Choice(models.Model):
text = models.CharField(max_length=200)
def...
Distinct not working with LINQ to Objects
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LINQ Distinct is not that smart when it comes to custom objects.
All it does is look at your list and see that it has two different objects (it doesn't care that they have the same values for the member fields).
One workaround is to implement the IEquatable interfa...
Looping through a hash, or using an array in PowerShell
...ll and shows how you can loop through each hash table item using the GetEnumerator method. You can also loop through using the keys property. Here is an example how:
$hash = @{
a = 1
b = 2
c = 3
}
$hash.Keys | % { "key = $_ , value = " + $hash.Item($_) }
Output:
key = c , value = 3
k...
Import and Export Excel - What is the best library? [closed]
...code. Just make sure that you read in the rows and process them one at a time (reading the document to the end and splitting will eat up all of your memory - same with writing, stream it out).
Yes, the user will have to save-as CSV in excel before you can process it, but perhaps this limitation can...