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What is the use of ObservableCollection in .net?
...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
Using build types in Gradle to run same app that uses ContentProvider on one device
...name suffix to my debug app so I could have release version that I'm using and debug version on one phone. I was referencing this: http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Types
...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
...e you need to remove it from the index. This can be achieved with this command.
git rm --cached <file>
If you want to remove a whole folder, you need to remove all files in it recursively.
git rm -r --cached <folder>
The removal of the file from the head revision will happen on the...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
...
Send email using the GMail SMTP server from a PHP page
...lease give me a link where I can get the Mail.php file. Because I tried it and it would not work Thanks
– Yoosuf
Apr 17 '11 at 6:52
11
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How do I convert a String object into a Hash object?
...en its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax.
However, if all that's in the hash is strings, symbols, numbers, and arrays, it should work, because those have...
ImageConvertor 扩展：免费图像转换器，支持JPG/PNG/WEBP格式转换和图像处...
....edu/t/free-image-convertor-extension-to-convert-image-format-jpg-png-webp-and-much-much-more/39349
发布日期：2021年8月17日
最新版本：3.9
许可协议：免费开源
文档最后更新：2025年11月19日
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Visual Studio: How do I show all classes inherited from a base class?
...
Sure, Resharper can do this. And much more.
Just right click on type name in any place and choose "Go To Inheritor" in context menu.
"Go To Inheritor" can be also applied to method for navigating to overrides and an interface method's implementations. F...
Is it possible to set transparency in CSS3 box-shadow?
...ose rgba() would work here. After all, browser support for both box-shadow and rgba() is roughly the same.
/* 50% black box shadow */
box-shadow: 10px 10px 10px rgba(0, 0, 0, 0.5);
div {
width: 200px;
height: 50px;
line-height: 50px;
text-align: center;
color: white;
...
Best way to read a large file into a byte array in C#?
...lBytes throws OutOfMemoryException with big files (tested with 630 MB file and it failed)
– sakito
Mar 13 '13 at 1:31
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