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When to use self over $this?
... Use self to refer to the
current class. In other words, use
$this->member for non-static members,
use self::$member for static members.
Full Answer
Here is an example of correct usage of $this and self for non-static and static member variables:
<?php
class X {
private $non_stat...
How can I get the iOS 7 default blue color programmatically?
I'm creating custom elements in my app and want to match the look and feel of the new iOS. iOS 7 introduced to us a very common lighter blue color, the default color or tint for several elements, including the system button, segmented control, etc. They've made it easy to select the color using IB, ...
How to search for file names in Visual Studio?
...em.
To summarize, simply hit:
CTRL + ,
And then start typing the file name.
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Check whether a cell contains a substring
...
Try using this:
=ISNUMBER(SEARCH("Some Text", A3))
This will return TRUE if cell A3 contains Some Text.
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Java: Static Class?
...ng an instance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract?
...
How to run a PowerShell script
...
Launch Windows PowerShell, and wait a moment for the PS command prompt to appear
Navigate to the directory where the script lives
PS> cd C:\my_path\yada_yada\ (enter)
Execute the script:
PS> .\run_import_script.ps1 (enter)
What am I missing??
Or: you c...
How to display multiple notifications in android
I am receiving only one notification and if there comes another notification, it replaces the previous one and here is my code
...
Java String remove all non numeric characters
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@Óscar López: how to include negative numbers also? I mean, I have to replace everything that is not a positive/negative number with an empty space. How to do that?
– Pankaj Singhal
Sep 6 '15 at 9:07
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Repository Pattern Step by Step Explanation [closed]
Can someone please explain to me the Repository Pattern in .NET, step by step giving a very simple example or demo.
2 Answe...
Extracting bits with a single multiplication
...adjacent to each other in the original, AND you want to keep them in the same order, then you can still do it. And for the purpose of the (N-1) rule they count as two bits.
There is another insight - inspired by the answer of @Ternary below (see my comment there). For each interesting bit, you onl...