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Check if list is empty in C# [closed]
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@ᴍᴀᴛᴛʙᴀᴋᴇʀ, var someList = new List<string>(); would be instantiated( and therefore not be null) but would be empty of elements to process
– daviesdoesit
Mar 12 '19 at 19:53
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What is the difference between varchar and nvarchar?
...nswer: of course you can store UTF-8 in varchar but it'll break SQL Server string functions. If you perform all searches/transformations within your application then yes, you may do it (but what's the benefit?). Only Unicode encoding supported by SS is UCS-2 (yes, not UTF-16 before SS2k16) and its s...
Lightweight Java Object cache API [closed]
...HashMap to implement a simple cache without third party jars:
Map <String, Foo> cache = new LinkedHashMap<String, Foo>(MAX_ENTRIES + 1, .75F, true) {
public boolean removeEldestEntry(Map.Entry<String, Foo> eldest) {
return size() > MAX_ENTRIES;
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How do I convert uint to int in C#?
...)Int);
Console.WriteLine("int....: {0:D10} ({1})", Int, BitConverter.ToString(BitConverter.GetBytes(Int)));
Console.WriteLine("asUint.: {0:D10} ({1})", asUint, BitConverter.ToString(BitConverter.GetBytes(asUint)));
Console.WriteLine(new string('-',30));
}
Console.WriteLine(new string('='...
What is LINQ and what does it do? [closed]
...he type, but it very useful for adding methods to types you don't control (string), or adding (fully implemented) helper methods to interfaces.
Query Comprehension Syntax - this allows you to write in a SQL Like structure. All of this stuff gets translated to the methods on System.Linq.Queryable or...
How do you check whether a number is divisible by another number (Python)?
...T a good way to test divisibility: doing a float division, converting to a string and then doing string manipulations to find if the fractional part is (literally) ".0" is at the very least inefficient, and possibly wrong depending on the floating point implementation and the code that does the con...
Entity Framework Timeouts
...known bug with specifying default command timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity...
Remove CSS “top” and “left” attributes with jQuery
... @Viktor Note that the documentation explicitly says to use empty string. I wonder if false happens to work because of some undocumented type coercion that could go away in the future? api.jquery.com/css
– Jeremy Wadhams
Oct 4 '16 at 21:18
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What and When to use Tuple? [duplicate]
... I use it maximally for 2 values and each of different type i.e. string, int. Otherwise it is becoming the worst code you can write.
– Ondra
Nov 30 '12 at 7:27
4
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Function that creates a timestamp in c#
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I always use something like the following:
public static String GetTimestamp(this DateTime value)
{
return value.ToString("yyyyMMddHHmmssfff");
}
This will give you a string like 200905211035131468, as the string goes from highest order bits of the timestamp to lowest order s...