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How does this print “hello world”?
... symbols) = 127 possible values, which can be represented with 7 bits.
We converted each UTF-8 (16 bit) character to 7 bits, and gain more than 56% compression ratio. So we could send texts with twice length in the same number of SMSs. (It is somehow the same thing happened here).
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Best way to read a large file into a byte array in C#?
...Length to int instead of getting the long value of the FileInfo length and converting that.
– vapcguy
Oct 12 '16 at 0:15
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Reorder levels of a factor without changing order of values
...sapply(dtf, class)
numbers letters
"integer" "factor"
Now, if you convert this factor to numeric, you'll get:
# return underlying numerical values
1> with(dtf, as.numeric(letters))
[1] 1 2 3 4
# change levels
1> levels(dtf$letters) <- letters[4:1]
1> dtf
numbers letters
1 ...
JavaScript: How to find out if the user browser is Chrome?
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@vishalsharma, the !! converts the value to be either true or false. typeof(window.chrome) gives "object", whereas typeof(!!window.chrome) gives "boolean". Your code sample also works too because the if statement does the conversion.
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Initialize a byte array to a certain value, other than the default null? [duplicate]
...he square brackets [] to declare an array. Also, your constants need to be convertible to byte, which numbers (ints) such as 4, 3, and 2 are not. So it has to be: new byte[] { (byte) 4, (byte) 3, (byte) 2}, or the hex syntax.
– Oliver
Dec 1 '14 at 21:44
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The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}
...Report Manager, click Add.
In the Add a Report Manager HTTP URL popup box, select Host Header and type in: localhost
Click OK to save your changes.
Now start/ run Internet Explorer using Run as Administator...
(NOTE: If you don't see the 'Site Settings' link in the top left corner while at http://l...
How to document Python code with doxygen [closed]
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You may also want to check out doxypypy as it'll convert Pythonic docstrings into something that Doxygen can use.
– Feneric
Jul 8 '16 at 18:38
8
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Loop through files in a folder using VBA?
...2 Then
FileExtStr = ".xls": FileFormatNum = -4143
Else
Select Case xWb.FileFormat
Case 51:
FileExtStr = ".xlsx": FileFormatNum = 51
Case 52:
If Application.ActiveWorkbook.HasVBProject Then
FileExtStr = "....
Bytes of a string in Java
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According to How to convert Strings to and from UTF8 byte arrays in Java:
String s = "some text here";
byte[] b = s.getBytes("UTF-8");
System.out.println(b.length);
sh...
Elegant method to generate array of random dates within two dates
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You can convert the boundary dates to integers (Date.getTime()) and then use Math.random() to generate your random dates within given boundaries. Then go back to Date objects with Date.setTime().
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