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Best way to convert text files between character sets?
...he fastest, easiest tool or method to convert text files between character sets?
20 Answers
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What is the purpose of the reader monad?
... work in finance, you might design some complicated logic for pricing an asset (a derivative say), which is all well and good and you can do without any stinking monads. But then, you modify your program to deal with multiple currencies. You need to be able to convert between currencies on the fly....
Create a dictionary with list comprehension
...ere is the mapping part. What makes this a dict comprehension instead of a set comprehension (which is what your pseudo-code approximates) is the colon, : like below:
mydict = {k: v for k, v in blahs}
And we see that it worked, and should retain insertion order as-of Python 3.7:
>>> mydict...
How do I get the logfile from an Android device?
...lly do the following:
connect the device to the pc.
Check that I already setup my os for that particular device.
Open a terminal
Run adb shell logcat > log.txt
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Can someone explain the right way to use SBT?
I'm getting out off the closet on this! I don't understand SBT. There, I said it, now help me please.
4 Answers
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Haskell: Where vs. Let
... editor after snippets, if snippets enabled
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Run a PostgreSQL .sql file using command line arguments
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You have four choices to supply a password:
Set the PGPASSWORD environment variable. For details see the manual: http://www.postgresql.org/docs/current/static/libpq-envars.html
Use a .pgpass file to store the password. For details see the manual: http://www.postgresql....
C# List of objects, how do I get the sum of a property
...eLine(DateTime.Now - time);
}
class Test
{
public int Property { get; set; }
}
My results with compiler optimizations off are:
00:00:00.0570370 : Sum()
00:00:00.0250180 : Foreach()
00:00:00.0430272 : For(...)
and for second test are:
00:00:00.1450955 : Sum()
00:00:00.0650430 : Foreach()
0...
How to write log to file
...nil {
log.Fatalf("error opening file: %v", err)
}
defer f.Close()
log.SetOutput(f)
log.Println("This is a test log entry")
Based on the Go docs, os.Open() can't work for log.SetOutput, because it opens the file "for reading:"
func Open
func Open(name string) (file *File, err error) O...
how do I use UIScrollView in Interface Builder?
...manipulating it programmatically, I'm having trouble getting it to work by setting it up exclusively in Interface Builder.
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