大约有 43,000 项符合查询结果（耗时：0.0314秒） [XML]
Byte[] to InputStream or OutputStream
...se byte[] in my Java program as a mapping and to use this data I have to convert it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do this conversion?
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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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How can I get a count of the total number of digits in a number?
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Without converting to a string you could try:
Math.Ceiling(Math.Log10(n));
Correction following ysap's comment:
Math.Floor(Math.Log10(n) + 1);
share
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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 ...
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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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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What's the fastest way to read a text file line-by-line?
...faster (from the tests I did). What you need is to get the byte array and convert it to string. That's how I did it: For reading use stream.Read() You can make a loop to make it read in chunks. After appending the whole content into a byte array (use System.Buffer.BlockCopy) you'll need to conve...
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 Copy Text to Clip Board in Android?
...n't a reference to a
// note, then
// this converts whatever it is to text.
if (text == null) {
text = coerceToText(context, item).toString();
}
return text;
}
}
return ""...
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...