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Performance of Arrays vs. Lists
...sy to measure...
In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it depends on the type of data in the array. But unless ...
what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
... transitions.
But the Web has been catching up, and most browser vendors now provide
graphical hardware acceleration by means of particular CSS rules.
Using -webkit-transform: translate3d(0,0,0); will kick the GPU into action for the CSS transitions, making them smoother (higher FPS).
Note: t...
How to set the prototype of a JavaScript object that has already been instantiated?
...it seems on the surface, and beyond most peoples' pay grade in regards to knowledge of Javascript internals.
The prototype property of an object is used when creating new child objects of that object. Changing it does not reflect in the object itself, rather is reflected when that object is used as...
Does overflow:hidden applied to work on iPhone Safari?
...
Had this issue today on iOS 8 & 9 and it seems that we now need to add height: 100%;
So add
html,
body {
position: relative;
height: 100%;
overflow: hidden;
}
share
|
im...
Create unique constraint with null columns
...rom favo_3col_uni_idx and your requirements are still enforced.
The index, now comprising the whole table, overlaps with the other one and gets bigger. Depending on typical queries and the percentage of NULL values, this may or may not be useful. In extreme situations it might even help to maintain ...
How do I set the value property in AngularJS' ng-options?
...n array"></select>
Update
With the updates on AngularJS, it is now possible to set the actual value for the value attribute of select element with track by expression.
<select ng-options="obj.text for obj in array track by obj.value">
</select>
How to remember this ugly st...
Fluent and Query Expression — Is there any benefit(s) of one over other?
...lit()
orderby fullName, name
select name + " came from " + fullName;
Now compare this to the same thing in method syntax:
var query = fullNames
.SelectMany (fName => fName.Split().Select (name => new { name, fName } ))
.OrderBy (x => x.fName)
.ThenBy (x => x.name)
.Select...
Jackson JSON custom serialization for certain fields
...(Views.Web.class)
private String webField;
// getters/setters
...
..
}
Now we have to write custom json converter by simply extending HttpMessageConverter class from spring as:
public class CustomJacksonConverter implements HttpMessageConverter<Object>
{
public CustomJacksonC...
Eventual consistency in plain English
... rain tomorrow.
Eventually, all of the servers (you, me, your neighbor) know the truth (that it's going to rain tomorrow), but in the meantime the client (his wife) came away thinking it is going to be sunny, even though she asked after one or more of the servers (you and me) had a more up-to-date...
How can I scale an image in a CSS sprite
...
hi @Robert. How about now?
– Tomasz Mularczyk
Aug 23 '17 at 6:32
...