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How do I create a parameterized SQL query? Why Should I?

...ion GetBarFooByBaz(ByVal Baz As String) As String Dim sql As String = "SELECT foo FROM bar WHERE baz= @Baz" Using cn As New SqlConnection("Your connection string here"), _ cmd As New SqlCommand(sql, cn) cmd.Parameters.Add("@Baz", SqlDbType.VarChar, 50).Value = Baz R...
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unsigned APK can not be installed

...ps.) Install your app onto the emulator. Once it is installed goto DDMS, select the current running app under the devices window. This will then show all the files related to it under the file explorer. Under file explorer go to data->app and select your APK (which is the package name of the ap...
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How to choose the id generation strategy when using JPA and Hibernate

...d uses a database-generated GUID string on MS SQL Server and MySQL. native selects identity, sequence or hilo depending upon the capabilities of the underlying database. assigned lets the application assign an identifier to the object before save() is called. This is the default strategy if no elem...
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What's the difference between IQueryable and IEnumerable

...to execute the entire query against the underlying data source (like using SELECT TOP 1 in SQL). See: The .NET Standard Query Operators share | improve this answer | foll...
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Give all the permissions to a user on a DB

...%', ( -- use instead of EXECUTE to see generated commands EXECUTE ( SELECT string_agg(format('GRANT USAGE ON SCHEMA %I TO my_user', nspname), '; ') FROM pg_namespace WHERE nspname <> 'information_schema' -- exclude information schema and ... AND nspname NOT LIKE 'pg\_%' ...
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What does the red exclamation point icon in Eclipse mean?

...o old machine. I resolved it as belows Right click on the "Project name" Select "Build path" Then select "Configure Build Path" Click on "Libraries" Remove all the libraries which were referring to old path Then, the exclamation symbol on the "Project name" was removed. ...
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Can I do a partial revert in GIT

... can also do git add -p to start an interactive session that allows you to selectively add chunks of files, instead of entire files. (There's also git reset -p to selectively unstage changes. Good to know, but probably not what you want in this scenario.) – Stéphan Kochen ...
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Get attribute name value of

... that you were able to add an ID attribute to your element and use that to select it. With that in mind, here are two pieces of code. First, the code given to you in the Accepted Answer: $("#ID").attr("name"); And second, the Vanilla JS version of it: document.getElementById('ID').getAttribute(...
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How to determine whether code is running in DEBUG / RELEASE build?

...processor Macros' for debug to ensure that DEBUG is being set - do this by selecting the project and clicking on the build settings tab. Search for DEBUG and look to see if indeed DEBUG is being set. Pay attention though. You may see DEBUG changed to another variable name such as DEBUG_MODE. th...
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Multiple cases in switch statement

... This syntax is from the Visual Basic Select...Case Statement: Dim number As Integer = 8 Select Case number Case 1 To 5 Debug.WriteLine("Between 1 and 5, inclusive") ' The following is the only Case clause that evaluates to True. Case 6, ...