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Java Round up Any Number
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^^ "a" needs to be a double or cast a double.
– Codeversed
Jan 25 '17 at 16:15
1
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Hidden Features of ASP.NET [closed]
...le known hack
Most of the time you have to use the findcontrol method and cast the controls in master page from the content pages when you want to use them, the MasterType directive will enable intellisense in visual studio once you to this
just add one more directive to the page
<%@ MasterTy...
In Python, how do I read the exif data for an image?
...any changes
in the output image.
As stated, the Exif output can simply be casted to a dict with the EXIF data accessible as regular key-value pairs. The keys are 16-bit integers that can be mapped to their string names using the ExifTags.TAGS module.
from PIL import Image, ExifTags
img = Image.ope...
How to export DataTable to Excel
...= new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = string.Join(",", columnNames.Select(name => $"\"{name}\""));
lines.Add(header);
var valueLines = dataTable.AsEnumerable()
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How will I know when to create an interface?
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You don't have to cast, as opposed to 50 different classes with a Process method. C# doesn't use "duck typing", so just because A has Process() and B has Process() doesn't mean there is any generic way to call either. You need an Interface for...
How to compare objects by multiple fields
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Especially the cast (Person p) is important for chained comparators.
– membersound
Oct 6 '17 at 7:42
5
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What's the difference setting Embed Interop Types true and false in Visual Studio?
...ItemInventoryRet' since it was not used in the compiled assembly. Consider casting to object or changing the 'Embed Interop Types' property to true.
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Callback to a Fragment from a DialogFragment
...try {
callback = (Callback) getParentFragment();
} catch (ClassCastException e) {
throw new ClassCastException("Calling fragment must implement Callback interface");
}
}
Only thing left is to call your callback method after these steps.
For more information about the issue...
Append values to query string
...ke parsing, url encoding, ...:
string longurl = "http://somesite.com/news.php?article=1&lang=en";
var uriBuilder = new UriBuilder(longurl);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query["action"] = "login1";
query["attempts"] = "11";
uriBuilder.Query = query.ToString();
long...
Safest way to convert float to integer in python?
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@kralyk you mean, after the round? So, would casting them to int raise an exception, or just truncate them?
– Agostino
Mar 22 '16 at 13:59
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