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How to get number of rows using SqlDataReader in C#
...y the only sensible option is to read all rows in a flexible storage (List<> or DataTable) and then copy the data to any format you want. The in-memory operation will always be much more efficient.
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ASP.NET MVC Conditional validation
...get; set; }
public Senior Senior { get; set; }
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
if (IsSenior && string.IsNullOrEmpty(Senior.Description))
yield return new ValidationResult("Description must be suppl...
How do I show/hide a UIBarButtonItem?
...onItem.rightBarButtonItems and [self.navigationItem setRightBarButtonItems<prams>] instead of toolBarItems and setToolBarItems.
– MindSpiker
Nov 12 '12 at 19:11
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Rotate axis text in python matplotlib
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This works for me:
plt.xticks(rotation=90)
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Why do we need break after case statements?
...e block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
17 Answers
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Pointer arithmetic for void pointer in C
... Clang and ICC don't allow void* arithmetic (at least by default).
– Sergey Podobry
Jan 5 '16 at 18:14
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When do we need to set ProcessStartInfo.UseShellExecute to True?
...t it can be used to (for example):
Open .html files or web using the default browser without needing to know what that browser is,
Open a word document without needing to know what the installation path for Word is
Run any command on the PATH
For example:
Process p = new Process();
p.StartInfo.Use...
Find substring in the string in TWIG
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Great :) I used it to figure out the current route: <li class="{% if 'gew_team_default_' in app.request.get('_route') %}active{% endif %}">
– Tobias Oberrauch
Aug 28 '14 at 14:11
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Is there an easy way to return a string repeated X number of times?
...char c, int count).
For example, to repeat a dash five times:
string result = new String('-', 5);
Output: -----
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How can I transform string to UTF-8 in C#?
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As you know the string is coming in as Encoding.Default you could simply use:
byte[] bytes = Encoding.Default.GetBytes(myString);
myString = Encoding.UTF8.GetString(bytes);
Another thing you may have to remember: If you are using Console.WriteLine to output some strings, the...