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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
..., IsNullOrWhiteSpace is not ideal but is
good. The method calls will result in a small performance penalty.
Further, the IsWhiteSpace method itself has some indirections that can
be removed if you are not using Unicode data. As always, premature
optimization may be evil, but it is also fun.
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How to remove item from list in C#?
I have a list stored in resultlist as follows:
8 Answers
8
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Where does Console.WriteLine go in ASP.NET?
...e.
Also, apart from calling SetOut, there is no way to configure the default.
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Combating AngularJS executing controller twice
... controller: MyController });
But I also had this in home.html:
<div data-ng-controller="MyController">
This digested the controller twice. Removing the data-ng-controller attribute from the HTML resolved the issue. Alternatively, the controller: property could have been removed fr...
Gradient borders
...roperty always creates square borders even if border-radius is on. So the alternative with nested elements (or a :before element) is the most flexible solution. Here is a JSFiddle thats shows the easyest way this can be done: jsfiddle.net/wschwarz/e2ckdp2v
– Walter Schwarz
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How to draw a line in android
...iew or use a Canvas yourself just simple and clean add the line in xml.
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@android:color/black" />
The example code I provided will generate a line that fills the screen in width and has a height of ...
Distinct in Linq based on only one field of the table
I am trying to use .distinct in Linq to get result based on one field of the table (so do not require a whole duplicated records from table).
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C++ - passing references to std::shared_ptr or boost::shared_ptr
...ence count will be at least 1.
Class::only_work_with_sp(boost::shared_ptr<foo> sp)
{
// sp points to an object that cannot be destroyed during this function
}
So by using a reference to a shared_ptr, you disable that guarantee. So in your second case:
Class::only_work_with_sp(boost::sh...
Check if an element contains a class in JavaScript?
...rrent browsers and there are polyfills to support older browsers too.
Alternatively, if you work with older browsers and don't want to use polyfills to fix them, using indexOf is correct, but you have to tweak it a little:
function hasClass(element, className) {
return (' ' + element.classN...
Finding the id of a parent div using Jquery
... of ways! One could be to hide an element that contains the answer, e.g.
<div>
Volume = <input type="text" />
<button type="button">Check answer</button>
<span style="display: hidden">3.93e-6&lt;/span>
<div></div>
</div>
And t...