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IEnumerable to string [duplicate]
...re, but I have now and am surprised that I can't find a really easy way to convert an IEnumerable<char> to a string .
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What is the difference between NULL, '\0' and 0?
...ion of this type, cast to type void * is a null pointer constant, which if converted to a pointer becomes a null pointer. It is guaranteed by the standard to compare unequal to any pointer to any object or function.
NULL is a macro, defined in as a null pointer constant.
\0 is a construction used...
How do you get a timestamp in JavaScript?
... the timestamp in milliseconds:
new Date().getTime()
Which you can then convert to seconds like this:
Math.round(new Date().getTime()/1000)
And you can also use the valueOf method which we showed above:
new Date().valueOf()
Timestamp in Milliseconds
var timeStampInMs = window.performan...
How can I get a count of the total number of digits in a number?
...
Without converting to a string you could try:
Math.Ceiling(Math.Log10(n));
Correction following ysap's comment:
Math.Floor(Math.Log10(n) + 1);
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How do I get the key at a specific index from a Dictionary in Swift?
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Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>'
– Chris
Mar 7 '15 at 19:12
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Comparing two byte arrays in .NET
...able fluff into your own application's code base:
// byte[] is implicitly convertible to ReadOnlySpan<byte>
static bool ByteArrayCompare(ReadOnlySpan<byte> a1, ReadOnlySpan<byte> a2)
{
return a1.SequenceEqual(a2);
}
The (guts of the) implementation as of .NET Core 3.1.0 can ...
Function for Factorial in Python
...ction will raise a DeprecationWarning. If you want to do that, you need to convert n to an int explicitly: math.factorial(int(n)), which will discard anything after the decimal, so you might want to check that n.is_integer()
– Boris
Nov 22 '19 at 11:47
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Performance difference for control structures 'for' and 'foreach' in C#
... of method Test::IterateOverList
The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array:
static void IterateOverArray(object[] array)
{
foreach (object o in array)
{
Console.WriteLin...
A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
... had the same problem and solved by using Newtonsoft.Json;
var list = JsonConvert.SerializeObject(model,
Formatting.None,
new JsonSerializerSettings() {
ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore
});
return Content(list, "application/json");
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How to change letter spacing in a Textview?
.... I get an error like this: "1.2dp" in attribute "letterSpacing" cannot be converted to float."
– dopatraman
Jan 16 '16 at 20:19
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