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What is the __del__ method, How to call it?
... you do not forget to call a close statement. See http://eli.thegreenplace.net/2009/06/12/safely-using-destructors-in-python/ for a pro __del__ viewpoint. This is usually about freeing ctypes or some other special resource.
And my pesonal reason for not liking the __del__ function.
Everytime som...
Convert JavaScript string in dot notation into an object reference
...y style notation, as well as empty strings - see my example here: jsfiddle.net/sc0ttyd/q7zyd
– Sc0ttyD
Jan 18 '13 at 13:17
2
...
How do you track record relations in NoSQL?
...ID
Comment.PageID
Comment.PostTime
Page.Tag[]
If you are using NosDB (A .NET based NoSQL Database with SQL support) your queries will be like
SELECT * FROM Comments WHERE userid = ‘That user’;
SELECT * FROM Comments WHERE pageid = ‘That user’;
SELECT * FROM Comments WHERE post-time &...
Using async/await for multiple tasks
...s code blocks each thread that each operation runs on. For example, if the network call takes 2 seconds, each thread hangs for 2 seconds w/o doing anything but waiting.
int[] ids = new[] { 1, 2, 3, 4, 5 };
Task.WaitAll(ids.Select(i => DoSomething(1, i, blogClient)).ToArray());
On the other han...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...站去下载(Dokan官网)，源码是C语言的，应用例子有Ruby、.Net及C的。如果想要Delphi的例子代码，只能自己去找了。
刚开始时由于不清楚如何用Dokan来实现一个文件系统，所以需要做一些试验，结果一不小心就蓝屏了！悲剧啊，用XP...
How do I use reflection to call a generic method?
...# compiler generating code for you), the open source framework Dynamitey (.net standard 1.5) gives you easy cached run-time access to the same calls the compiler would generate for you.
var name = InvokeMemberName.Create;
Dynamic.InvokeMemberAction(this, name("GenericMethod", new[]{myType}));
var...
Most useful NLog configurations [closed]
...s from here at SO (you might have seen some or all of these already):
log4net vs. Nlog
Logging best practices
What's the point of a logging facade?
Why do loggers recommend using a logger per class?
Use the common pattern of naming your logger based on the class Logger logger = LogManager.GetCu...
Effects of changing Django's SECRET_KEY
...ous session had been invalidated.
With Powershell (source):
# Load the .net System.Web namespace which has the GeneratePassword function
[Reflection.Assembly]::LoadWithPartialName("System.Web")
# GeneratePassword(int length, int numberOfNonAlphanumericCharacters)
[System.Web.Security.Membership...
How do you Encrypt and Decrypt a PHP String?
..., against the conventional wisdom of every cryptography expert on the Internet, these are the steps you would have to take.
Encryption:
Encrypt using AES in CTR mode. You may also use GCM (which removes the need for a separate MAC). Additionally, ChaCha20 and Salsa20 (provided by libsodium) are str...
How to use WeakReference in Java and Android development?
...p is not a cache!
Tom is right that there have been complaints about poor Netbeans performance due to WeakHashMap caching.
I still think it would be a good learning experience to implement a cache with WeakHashMap and then compare it against your own hand-rolled cache implemented with SoftRefere...