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Get output parameter value in ADO.NET
...omString = int.Parse(outputIdParam.Value.ToString());
// Throws InvalidCastException
int idFromCast = (int)outputIdParam.Value;
// idAsNullableInt remains null
int? idAsNullableInt = outputIdParam.Value as int?;
// idOrDefaultValue is 0 (or any other value specified to the ?? ope...
How to round up the result of integer division?
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For C# the solution is to cast the values to a double (as Math.Ceiling takes a double):
int nPages = (int)Math.Ceiling((double)nItems / (double)nItemsPerPage);
In java you should do the same with Math.ceil().
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Why can I throw null in Java? [duplicate]
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why does it upcast it to a NullPointerException?
As per JLS 14.18:
A throw statement first evaluates the Expression. If the evaluation of the Expression completes abruptly for some reason, then the throw completes abruptly for that re...
How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
...valuates to (or converts to in some cases) a 1.
declare @i int = -42
print cast(@i as bit) --will print 1, because @i is not 0
Note that SQL Server uses three valued logic (true, false, and NULL), since NULL is a possible value of the bit data type. Here are the relevant truth tables -
More in...
Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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Mac OS X 入门操作常见问题集锦（持续更新） - 更多技术 - 清泛网 - 专注C/...
Mac OS X 入门操作常见问题集锦（持续更新）如何截图：shift + command + 3 截整屏shift + command + 4 截窗口（默认png，并保存到桌面）shift + command + Ctrl + 4 如何截图：
shift + command + 3 截整屏
shift + command + 4 截窗口（默认png，并保存...
Converting SVG to PNG using C# [closed]
...recursive function to loop through the children of the SVGDocument, try to cast it to a SvgText if possible (add your own error checking) and set the font family and style.
foreach(var child in svgDocument.Children)
{
SetFont(child);
}
public void SetFont(SvgElement element...
PHP case-insensitive in_array function
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@DarrenCook as far as i know a bool cast would also work (bool)preg_grep('/^'.preg_quote($needle).'$/',$a), as an empty array would cast to false
– arraintxo
Apr 9 '13 at 12:20
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Intellij IDEA. Hide .iml files
I use Intellij IDEA 12 and I want to hide .iml files in Project view. How I can achieve this?
8 Answers
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