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What does (binary) casting actually do and why it should not be relied upon?


By : Marc Nolte
Date : October 14 2020, 02:22 PM
like below fixes the issue PHP had Big Plans™ for PHP 6, where strings would finally become Unicode strings. To illustrate what that means, the current PHP behaviour:
code :
$str = '漢字';
echo $str[0];
// ?


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Can jQuery be relied upon?


By : Tyler B
Date : March 29 2020, 07:55 AM
I hope this helps you . In my sole opinion, I would trust jQuery even in mission critical applications. It's quite stable and never failed me in massive web applications.
You only need to be really careful when you update, as if you are using 3rd Party plugins, they might be not stable or fully compatible with fresh jQuery releases.

can server document root be relied upon


By : Sa Scha
Date : March 29 2020, 07:55 AM
I wish this help you The most common and reliable way is to define a constant that contains the path to your code either in your index.php file, or a config.php file which is included from the same directory or a known relative path and reference that:
code :
if (!defined('APP_DIR')) define('APP_DIR', __DIR__); // set the app directory to that of the currently executing file
require_once(APP_DIR . '/main/common.php');

Why does DropDownList.SelectedValue is relied on viewstate?


By : Nguyễn Bá Nguyên
Date : March 29 2020, 07:55 AM
I wish did fix the issue. SUMMARY: If you want the control to work without ViewState, you need to populate/bind the Items collection on every postback. I recommend doing it in the Page_Init event (i.e. OnInit method).
First off, I always recommend this this awesome article: TRULY Understanding ViewState.
code :
public virtual string SelectedValue
{
  get
  {
    int selectedIndex = this.SelectedIndex;
    if (selectedIndex >= 0)
      return this.Items[selectedIndex].Value;
    else
      return string.Empty;
  }

Can Rspec be relied upon to rollback transactions?


By : Batzaya Bayar-erdene
Date : March 29 2020, 07:55 AM
wish helps you It turns out the issue in this situation was related to an Rspec shared example within the spec. Apparently, in a shared example, the code inside the it_behaves_like block is not transactionally rolled back like the other tests within a spec.
Here's a simplified example of the code that was causing the number of instances of Object to increase every time the spec was run:
code :
  it_behaves_like "require_sign_in" do
    object = Fabricate(:object)
    let(:action) { delete :destroy, id:object.object_id }
  end

How does the destructor know when to activate itself? Can it be relied upon?


By : Lyrha Cabunilas
Date : March 29 2020, 07:55 AM
this one helps. For a stack created object, the destructor is automatically called when the object goes out of scope.
For an object created on the heap, the memory will be freed only when you explicitly call delete.
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