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How to print an exception in Python?
...
In case you want to pass error strings, here is an example from Errors and Exceptions (Python 2.6)
>>> try:
... raise Exception('spam', 'eggs')
... except Exception as inst:
... print type(inst) # the exception instance
... print ins...
Schema for a multilanguage database
...
Then you can get the value by XPath-Query in SQL, where you can put the string-variable in
filemeta.value('(/lang//' + @in_language + '/node())[1]', 'nvarchar(MAX)') AS bla
And you can update the value like this:
UPDATE YOUR_TABLE
SET YOUR_XML_FIELD_NAME.modify('replace value of (/lang/de/tex...
Is there a way to iterate over a slice in reverse in Go?
...nicer in my sense.
package main
import (
"fmt"
)
func reverse(lst []string) chan string {
ret := make(chan string)
go func() {
for i, _ := range lst {
ret <- lst[len(lst)-1-i]
}
close(ret)
}()
return ret
}
func main() {
elms := []str...
How to pass command line arguments to a rake task
...
Also, make sure you enclose the argument in string. e.g from your command line run the rake task like so rake thing:work'[1,2,3]'
– theterminalguy
Jan 14 '17 at 8:01
...
Row count with PDO
...
Using this approach, fetchColumn() returns a string "1234" ... your EDIT has echo count($nRows); - count() is an array function :P. I'd also recommend type casting the result from fetchColumn() to an integer. $count = (int) $stmt->fetchColumn()
–...
How to convert current date into string in java?
How do I convert the current date into string in Java?
9 Answers
9
...
Ruby: Can I write multi-line string with no concatenation?
...tual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "this is a multi-line string using implicit concatenation to eliminate spare
\\n's"
As a bonus, here's a version using funny HEREDOC syntax (via...
How to document Python code with doxygen [closed]
... to document your Python code. You can either use the Python documentation string syntax:
"""@package docstring
Documentation for this module.
More details.
"""
def func():
"""Documentation for a function.
More details.
"""
pass
In which case the comments will be extracted by d...
What is an example of the simplest possible Socket.io example?
...te easiest and smallest example i could come up with.
this just returns a string passed from the console UPPERCASED.
app.js
var http = require('http');
var app = http.createServer(function(req, res) {
console.log('createServer');
});
app.listen(3000);
var io = require('socket.io').liste...
What does “coalgebra” mean in the context of programming?
...y and setPosition function:
class C
private
x, y : Int
_name : String
public
name : String
position : (Int, Int)
setPosition : (Int, Int) → C
We need two parts to represent this class. First, we need to represent the internal state of the object; in this case ...