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What is database pooling?
...ed to keep database connections open so they can be reused by others.
Typically, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, authenticate, have authorisation checked, and so on. Pooling keeps the connections ac...
Html.RenderPartial() syntax with Razor
... }.
Partial() is a method that returns an MvcHtmlString. In Razor, You can call a property or a method that returns such a string with just a @ prefix to distinguish it from plain HTML you have on the page.
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Writing/outputting HTML strings unescaped
...data in controller like this :
ViewData["string"] = DBstring;
And then call that viewdata in view like this :
@Html.Raw(ViewData["string"].ToString())
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Passing arguments forward to another javascript function
... manipulate that before passing it along, for example: var copy = [].slice.call(arguments); <remove what you want> myFunc.apply(this, copy);
– Nick Craver♦
Feb 17 '12 at 11:18
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Factors in R: more than an annoyance?
... of the basic data types in R is factors. In my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something.
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An async/await example that causes a deadlock
...Click for UI / MyController.Get for ASP.NET):
The top-level method calls GetJsonAsync (within the UI/ASP.NET context).
GetJsonAsync starts the REST request by calling HttpClient.GetStringAsync (still within the context).
GetStringAsync returns an uncompleted Task, indicating the REST req...
What's the difference between the 'ref' and 'out' keywords?
... been set by that method, if it has been initialized before the method was called? I mean, can the called method read what the calling method passed to it as an argument?
– Panzercrisis
Mar 25 '16 at 13:46
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Xcode changes unmodified storyboard and XIB files
...cument based on the logical tree structure, clears the storyboard file and calls XMLDataWithOptions: to fill the file again. Because sets do not preserve the order of their elements, even the slightest modification could change the whole storyboard XML file.
Why does the class tag disappear or reapp...
Insert picture/table in R Markdown [closed]
... HOWTOs for tables and images. Top on my list are:
Pandoc readme, specifically tables
RStudio's RMarkdown, more details in basics (including tables) and a rewrite of pandoc's markdown.
Pictures are very simple to use but do not offer the ability to adjust the image to fit the page (see Update, b...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...ng for the entire task to complete, you have a deadlock.
Moving the async call to Task.Run() solves the issue.
Because the async call is now running on a thread pool thread, it doesn't try to come back to the UI thread, and everything therefore works.
Alternatively, you could call StartAsTask().Co...