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How do BitTorrent magnet links work?
...he swarm, and asks them for the connection information of any peers they already know of who are participating in the swarm.
When peers are uploading/downloading a particular torrent, they try to tell each other about all of the other peers they know of that are participating in the same torrent sw...
When should I use semicolons in SQL Server?
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@maurocam I think you've read the document incorrectly. If you look at that link it says "Not ending Transact-SQL statements with a semicolon." is deprecated.
– Caltor
Nov 6 '17 at 15:10
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Initialize a byte array to a certain value, other than the default null? [duplicate]
...x20, 0x20 };
For larger arrays use a standard for loop. This is the most readable and efficient way to do it:
var sevenThousandItems = new byte[7000];
for (int i = 0; i < sevenThousandItems.Length; i++)
{
sevenThousandItems[i] = 0x20;
}
Of course, if you need to do this a lot then you co...
Call An Asynchronous Javascript Function Synchronously
...ized) as the standard for JavaScript on June 27th, 2017. Async await may already work in your browser, but if not you can still use the functionality using a javascript transpiler like babel or traceur. Chrome 55 has full support of async functions. So if you have a newer browser you may be able to ...
When is JavaScript synchronous?
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JavaScript is always synchronous and single-threaded. If you're executing a JavaScript block of code on a page then no other JavaScript on that page will currently be executed.
JavaScript is only asynchronous in the sense that it can make, for example, Ajax calls. The A...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
... So it's needless to specify them in such case.
Also note that you should read the file contents immediately inside the abovementioned methods and not in a different bean method invoked by a later HTTP request. This is because the uploaded file contents is request scoped and thus unavailable in a l...
No ConcurrentList in .Net 4.0?
...oing to get a full implementation of IList<T> that is lockless and thread-safe. In particular, random insertions and removals are not going to work, unless you also forget about O(1) random access (i.e., unless you "cheat" and just use some sort of linked list and let the indexing suck).
What...
Calling clojure from java
...h a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the classpath?
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How to split() a delimited string to a List
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This will read a csv file and it includes a csv line splitter that handles double quotes and it can read even if excel has it open.
public List<Dictionary<string, string>> LoadCsvAsDictionary(string path)
{
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Copy a file in a sane, safe and efficient way
...ry);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to fall back on OS calls to the file system. I am sure boost has a copy file method in its filesystem class.
There is a C method for interacting with the fi...