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How to use HttpWebRequest (.NET) asynchronously?

...equest; void StartWebRequest() { webRequest.BeginGetResponse(new AsyncCallback(FinishWebRequest), null); } void FinishWebRequest(IAsyncResult result) { webRequest.EndGetResponse(result); } The callback function is called when the asynchronous operation is complete. You need to at least c...
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How to read a local text file?

...answered Jan 21 '13 at 20:20 Majid LaissiMajid Laissi 16.6k1717 gold badges6060 silver badges9797 bronze badges ...
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Eclipse ctrl+right does nothing

...bug in the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views like console window. You can disable welcome screen ( in most eclipse based IDEs it's a checkbox...
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How to find the operating system version using JavaScript?

...ed to write a Script to read OS and browser version that can be tested on Fiddle. Feel free to use and extend. Breaking Change: Since September 2020 the new Edge gets detected. So 'Microsoft Edge' is the new version based on Chromium and the old Edge is now detected as 'Microsoft Legacy Edge'! /** ...
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How can I get this ASP.NET MVC SelectList to work?

...ustomers select new SelectListItem { Selected = (c.CustomerID == invoice.CustomerID), Text = c.Name, Value = c.CustomerID.ToString() }; At second glance I'm not sure I know what you are after... ...
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Can a recursive function be inline?

...ctorial(x3 - 1); } } } } In this case, we've basically inlined the function 3 times. Some compilers do perform this optimization. I recall MSVC++ having a setting to tune the level of inlining that would be performed on recursive functions (up to 20, I believe). ...
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Move window between tmux clients

...ve the form: session:window.pane (session and window can be either name or id). So, supposing you have an 'chat' session with an 'irc' window and want to move it to the 'other_session' session you can do (in the tmux prompt): move-window -s chat:irc -t other_session If you are already in the chat...
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Why does “_” (underscore) match “-” (hyphen)?

... afaik this is only relevant when you are in a pattern context. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it s...
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Difference between classification and clustering in data mining? [closed]

...o arrange the same type of fruits at one place. here your previous work is called as trained data in data mining. so you already learn the things from your trained data, This is because of you have a response variable which says you that if some fruit have so and so features it is grape, like that f...
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Android SQLite DB When to Close

...It is safe to leave the database open the entire time so that when someone calls my class to work with the database it is already open? Or should I open and close the database before and after each access is needed. Is there any harm in just leaving it open the whole time? ...