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C# : 'is' keyword and checking for Not
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You can do it this way:
object a = new StreamWriter("c:\\temp\\test.txt");
if (a is TextReader == false)
{
Console.WriteLine("failed");
}
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Email address validation using ASP.NET MVC data type attributes
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@QuantumDynamix Try adding an empty string test to your regular expression as an option. Never tried it, but who knows?
– Peter Smith
Mar 7 '15 at 9:04
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How to use XPath in Python?
... implementation.
Ubiquity. The libxml2 library is pervasive and thus well tested.
Downsides include:
Compliance to the spec. It's strict. Things like default namespace handling are easier in other libraries.
Use of native code. This can be a pain depending on your how your application is distri...
Algorithm to get the excel-like column name of a number
...romNumber($num2) . $letter;
} else {
return $letter;
}
}
Tested with numbers from 0 to 10000...
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Error: Argument is not a function, got undefined
...vital importance of revision control (git or whatever) and unit/regression testing.
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Lambda expression to convert array/List of String to array/List of Integers
...ut it's still pretty slow (takes about 100 times longer than a for cycle - tested on an array of 6000 0's)
String[] stringArray = ...
int[] out= Arrays.asList(stringArray).stream().map(Integer::parseInt).mapToInt(i->i).toArray();
What this does:
Arrays.asList() converts the array to a List
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
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I just downloaded the latest Chromium build so as to have a standalone, unsafe version running for testing, and the 'real', installed Chrome for safe Internet browsing. And it does work, thanks!
– pimvdb
Jan 27...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
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@GregB I do not think you are correct here. I have tested that it won't allow me to, for instance, terminate a string literal early. Moreover, I looked at the source code and found that it's using DbCommand.CreateParameter to wrap up any raw values into parameters. So no SQL ...
Wrap text in tag
...;">fearofthedarkihaveaconstantfearofadark</td>
<td>
test
</td>
</tr>
</table>
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Single vs double quotes in JSON
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Actually demjson is one worked much better, instead of testing against ast.literal_eval and json.loads
– Marware
Dec 14 '19 at 19:25
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