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In an array of objects, fastest way to find the index of an object whose attributes match a search
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Maybe you would like to use higher-order functions such as "map".
Assuming you want search by 'field' attribute:
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];
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When should I make explicit use of the `this` pointer?
...w to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-> prefix by using:
template<class T>
struct B : A<T> {
using...
How do I get the time difference between two DateTime objects using C#?
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will give you the positive difference between the times regardless of the order.
If you have just got the time component but the times could be split by midnight then you need to add 24 hours to the span to get the actual difference:
TimeSpan diff = dateTime1 - dateTime2;
if (diff < 0)
{
d...
How do I get Gridview to render THEAD?
...) you'll throw exceptions like:
The table must contain row sections in order of header, body and then footer.
protected override void OnPreRender(EventArgs e)
{
if ( (this.ShowHeader == true && this.Rows.Count > 0)
|| (this.ShowHeaderWhenEmpty == true))
{
//For...
How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Eclipse Kepler for OS X Mavericks request Java SE 6
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...s and has high precision over time
Cron like, but not compatible (reversed order and other Improvements)
I works in the browser too
Install:
npm install timexe
use:
var timexe = require('timexe');
//Every 30 sec
var res1=timexe(”* * * * * /30”, function() console.log(“Its time again”)}...
How do you round a float to two decimal places in jruby
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This doesn't work. In order to get it to work you need to account for any size number. Using the pattern implemented here you can: def float_of_2_decimal(float_n) num = float_n.to_s.split('.') num[1] = num[1][0..1] num...
How do you convert a time.struct_time object into a datetime object?
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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
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