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Is there a use-case for singletons with database access in PHP?
...all one needs to maintain multiple database connections, multiple database selections, multiple database queries, multiple result sets in a given singleton is just keeping them in variables/arrays in the singleton as long as they are needed. This can be as simple as keeping them in arrays, though yo...
Visual Studio: Relative Assembly References Paths
...n Visual Studio GUI by right-clicking the project in Solution Explorer and selecting Add Reference...
Find the *.csproj where this reference exist and open it in a text editor
Edit the < HintPath > to be equal to
<HintPath>..\..\myReferences\myDLL.dll</HintPath>
This now refer...
Cannot serve WCF services in IIS on Windows 8
...r's (see above). From the Server Manager, click on Add roles and features, select the appropriate server, then select Features. Under .NET Framework 4.5 Features, you'll see WCF Services, and under that, you'll find HTTP Activation.
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Can the :not() pseudo-class have multiple arguments?
I'm trying to select input elements of all type s except radio and checkbox .
5 Answers
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How to check status of PostgreSQL server Mac OS X
...using psql to run a simple query and checking the exit code, e.g. psql -c 'SELECT 1', or use pg_isready to check the connection status.
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What is the difference between Step Into and Step Over in the Eclipse debugger?
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Step Into The next expression on the currently-selected line to be executed is invoked, and execution suspends at the next executable line in the method that is invoked.
Step Over The currently-selected line is executed and suspends on the next executable line.
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In Intellij, how do I toggle between camel case and underscore spaced?
...g Manipulation which has the capabilities you're looking for (and more).
Select historyOfPresentIllness and press Alt+M to bring up the plugin menu, then press:
5 - To snake_case (or to camelCase) which converts to history_of_present_illness
6 - To hyphen-case (or to snake_case) which converts...
How to handle click event in Button Column in Datagridview?
...ast the sender to type DataGridView, we can get the Columns collection and select the current column using e.ColumnIndex. Then check if that object is of type DataGridViewButtonColumn.
Of course, if you need to distinguish between multiple buttons per grid, you can then select based on the column n...
On localhost, how do I pick a free port number?
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Bind the socket to port 0. A random free port from 1024 to 65535 will be selected. You may retrieve the selected port with getsockname() right after bind().
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anchor jumping by using javascript
... element. If you want to get the first element out from your query, do $(mySelector)[0].scrollIntoView().
– Derek 朕會功夫
Jun 8 '18 at 12:48
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