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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?
...
@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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How can you make a custom keyboard in Android?
...) {
case Keyboard.KEYCODE_DELETE:
CharSequence selectedText = ic.getSelectedText(0);
if (TextUtils.isEmpty(selectedText)) {
// no selection, so delete previous character
ic.deleteSurroundingText(1, 0);
...
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 = "....
Reset identity seed after deleting records in SQL Server
...any a times we need to just reseed to next Id available
declare @max int
select @max=max([Id])from [TestTable]
if @max IS NULL //check when max is returned as null
SET @max = 0
DBCC CHECKIDENT ('[TestTable]', RESEED,@max)
This will check the table and reset to the next ID.
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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...
Disabling Chrome cache for website development
...ck (or hold left click) on the reload button at the top of the browser and select "Empty Cache and Hard Reload."
This will go beyond "Hard Reload" to empty the cache entirely, ensuring that anything downloaded via javascript or etc. will also avoid using the cache. You don't have to mess with set...