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Install an apk file from command prompt?
...en double quotes like
adb -s a3b09a6e install "c:\my apk location\here 123\example.apk"
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How to erase the file contents of text file in Python?
...ion given the new direction of the question?
– Seanny123
May 1 '19 at 18:39
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How to throw an exception in C?
...exceptions in C. In C the errors are notified by the returned value of the function, the exit value of the process, signals to the process (Program Error Signals (GNU libc)) or the CPU hardware interruption (or other notification error form the CPU if there is)(How processor handles the case of divi...
Mysql - How to quit/exit from stored procedure
...ql.com/doc/refman/5.5/en/signal.html
How to raise an error within a MySQL function
http://www.databasejournal.com/features/mysql/mysql-error-handling-using-the-signal-and-resignal-statements.html
Addendum
As I'm re-reading this post of mine, I realized I had something additional to add. Prior t...
Simple regular expression for a decimal with a precision of 2
...e
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len([deci_num_checker.match(x) != None for x in valid]) == len(valid)
assert [deci_num_checker.match(x) == None fo...
How to change or add theme to Android Studio?
...
123
//you need to go to the File-> settings
in that choose IDE settings-> Appearance in tha...
How to show multiline text in a table cell
...er each line (see below) and it works for me.
George Benson </br>
123 Main Street </br>
New York, Ny 12344 </br>
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Pass complex parameters to [Theory]
... new object[] { "xUnit", 1 },
new object[] { "is fun", 2 },
new object[] { "to test with", 3 }
};
}
}
}
ClassData Example
public class StringTests3
{
[Theory, ClassData(typeof(IndexOfData))]
public void IndexOf(string input...
Remove duplicated rows
...for larger data sets
library(microbenchmark)
library(data.table)
set.seed(123)
DF <- as.data.frame(matrix(sample(1e8, 1e5, replace = TRUE), ncol = 10))
DT <- copy(DF)
setDT(DT)
microbenchmark(unique(DF), unique(DT))
# Unit: microseconds
# expr min lq mean median ...
How to read a CSV file into a .NET Datatable
...also used Andrew's Rissing's for small jobs and it's served me well. Have fun!
– Jay Riggs
Jun 26 '09 at 17:36
How ca...