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How can I match on an attribute that contains a certain string?
...ssname listed.
The usual approach is the rather unwieldy:
//*[contains(concat(' ', @class, ' '), ' atag ')]
this works as long as classes are separated by spaces only, and not other forms of whitespace. This is almost always the case. If it might not be, you have to make it more unwieldy still...
How to find list intersection?
...ersection(b))'
cmd_setb = 'list(set(b).intersection(a))'
reps = 3
loops = 50000
def do_timing(heading, cmd, setup):
t = Timer(cmd, setup)
r = t.repeat(reps, loops)
r.sort()
print(heading, r)
return r[0]
m = 10
nums = list(range(6 * m))
for n in range(1, m + 1):
a = nums[:...
How to dump a table to console?
... also be capable of handling really large tables due to the way it handles concatenation. In my personal usage of this function, it outputted 63k lines to file in about a second.
The output also keeps lua syntax and the script can easily be modified
for simple persistent storage by writing the outp...
Why .NET String is immutable? [duplicate]
... before StringBuilder becomes more efficient than the equivalent series of concatenations, with their inherent construction).
It would be a disadvantage if mutability was part of the purpose of an object (who'd want to be modeled by an Employee object whose salary could never ever change) though so...
How can I easily view the contents of a datatable or dataview in the immediate window
...ble.Columns.Count; i++)
{
sLogMessage = string.Concat(sLogMessage, string.Format(sColFormat, table.Columns[i].ToString()));
}
//Debug.Write(Environment.NewLine);
Log?.Debug(sLogMessage);
var sUnderScore = string.Empty;
...
When to use lambda, when to use Proc.new?
...rted in Ruby 1.9 with the alternative lambda syntax (as noted by webmat):
concat = ->(a, b=2){ "#{a}#{b}" }
concat.call(4,5) # => "45"
concat.call(1) # => "12"
And Michiel de Mare (the OP) is incorrect about the Procs and lambda behaving the same with arity in Ruby 1.9. I have verified...
Simple Log to File example for django 1.3+
...',
'filename': SITE_ROOT + "/logfile",
'maxBytes': 50000,
'backupCount': 2,
'formatter': 'standard',
},
'console':{
'level':'INFO',
'class':'logging.StreamHandler',
'formatter': 'standard'
},
...
Bash script to set up a temporary SSH tunnel
...master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledomain.com
Master running (pid=3517)
$ ssh -S my-ctrl-socket -O exit jm@sampledomain.com
Exit request sent.
Note that my-ctrl-socket will ...
Open a file with su/sudo inside Emacs
...le as root."
(interactive "FSudo Find File: ")
(let ((tramp-file-name (concat "/sudo::" (expand-file-name file-name))))
(find-file tramp-file-name)))
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https connection using CURL from command line
...h any CA certs. Since the cacert option can only use one file, you need to concat the full chain info into 1 file
Copy the certificate chain (from your browser, for example) into DER encoded binary x.509(.cer). Do this for each cert.
Convert the certs into PEM, and concat them into 1 file.
open...