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What is the difference between a schema and a table and a database?
...chema (tables he/she owns) however user can also see any schemas they have select priviliedges on. So a database can consist of hundreds of schemas, and each schema hundreds of tables. You can have tables with the same name in different schemas, which are in the same database.
A Table is a table, ...
How should I cast in VB.NET?
... Dim myList AS ArrayList=new ArrayList When you write (From e In myList select CType(e.Name,String)).ToArray() it doesn't work. I came to write ... select CType(e.Name.ToString,String)).ToArray() and I retrieved my smile.
– Bellash
Mar 25 '14 at 21:13
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How can I extract embedded fonts from a PDF as valid font files?
...or FontForge:
Use the "Open Font" dialogbox used when opening files.
Then select "Extract from PDF" in the filter section of dialog.
Select the PDF file with the font to be extracted.
A "Pick a font" dialogbox opens -- select here which font to open.
Check the FontForge manual. You may need to fol...
How to get JSON from URL in JavaScript?
...getJSON() function:
$.getJSON('http://query.yahooapis.com/v1/public/yql?q=select%20%2a%20from%20yahoo.finance.quotes%20WHERE%20symbol%3D%27WRC%27&format=json&diagnostics=true&env=store://datatables.org/alltableswithkeys&callback', function(data) {
// JSON result in `data` variab...
pandas dataframe columns scaling with sklearn
...
@RajeshThevar The outer brackets are pandas' typical selector brackets, telling pandas to select a column from the dataframe. The inner brackets indicate a list. You're passing a list to the pandas selector. If you just use single brackets - with one column name followed by ...
Change bundle identifier in Xcode when submitting my first app in IOS
...e project editor.
To set the bundle ID prefix
In the project navigator, select the project and your target to
display the project editor.
Click General and, if necessary, click the disclosure triangle next
to Identity to reveal the settings.
Enter the bundle ID prefix in the “Bundle Identi...
Why is Visual Studio 2013 very slow?
...available" check box to prevent the use of hardware graphics acceleration.
Select or clear the "Enable rich client visual experience" check box to make sure that rich visuals are always on or off, respectively. When this check box is selected, rich visuals are used independent of the computer enviro...
How can I get the corresponding table header (th) from a table cell (td)?
...your_td.parentNode.children, your_td)
var corresponding_th = document.querySelector('#your_table_id th:nth-child(' + (index+1) + ')')
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Opening project in Visual Studio fails due to nuget.targets not found error
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Install Nuget.
Right click on the solution and select "Enable NuGet
Package Restore". In Visual Studio 2013 and later, select "Restore NuGet Packages" instead.
Click Ok on the warning.
Close and re-open the solution.
Should now be hunky-dory.
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...ou can use the Microsoft Web Platform Installer to install it. Execute it, select Products, in the left menu select Server and find URL Rewrite in the list and install it.
Or you can download it here.
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