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How do I print debug messages in the Google Chrome JavaScript Console?
...rn || function(){};
console.error = console.error || function(){};
console.info = console.info || function(){};
Then, use any of the following:
console.log(...);
console.error(...);
console.info(...);
console.warn(...);
These functions will log different types of items (which can be filtered ba...
'console' is undefined error for Internet Explorer
...d IE doesn't define console.debug
*
* Chrome 41.0.2272.118: debug,error,info,log,warn,dir,dirxml,table,trace,assert,count,markTimeline,profile,profileEnd,time,timeEnd,timeStamp,timeline,timelineEnd,group,groupCollapsed,groupEnd,clear
* Firefox 37.0.1: log,info,warn,error,exception,debug,table,tr...
Explaining Python's '__enter__' and '__exit__'
...case is handled here
exc = False
if not exit(mgr, *sys.exc_info()):
raise
# The exception is swallowed if exit() returns true
finally:
# The normal and non-local-goto cases are handled here
if exc:
exit(mgr, None, None, None)
try some code:
>...
How can I remove the search bar and footer added by the jQuery DataTables plugin?
...s >=1.10, use:
$('table').dataTable({searching: false, paging: false, info: false});
For DataTables <1.10, use:
$('table').dataTable({bFilter: false, bInfo: false});
or using pure CSS:
.dataTables_filter, .dataTables_info { display: none; }
...
Printing Python version in output
...
Try
import sys
print(sys.version)
This prints the full version information string. If you only want the python version number, then Bastien Léonard's solution is the best. You might want to examine the full string and see if you need it or portions of it.
...
Node.js Logging
...ger;
You can then use this like:
var logger = require('./log');
logger.info('log to file');
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SQL RANK() versus ROW_NUMBER()
...estTable(
[id] [int] NOT NULL,
[create_date] [date] NOT NULL,
[info1] [varchar](50) NOT NULL,
[info2] [varchar](50) NOT NULL,
)
Insert some data
INSERT INTO dbo.#TestTable (id, create_date, info1, info2)
VALUES (1, '1/1/09', 'Blue', 'Green')
INSERT INTO dbo.#TestTable (id, create_...
Catch a thread's exception in the caller thread in Python
... is in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
class ExcThread(threading.Thread):
def __init__(s...
iPhone Data Usage Tracking/Monitoring
...nterface and pdp_ip0 is your WWAN interface.
There is no good way to get information wifi/cellular network data since, particular date-time!
Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from previous device reboot.
I don't know why, but ifi_opackets and ifi_...
Starting python debugger automatically on error
...se traceback.print_exc to print the exceptions traceback. Then use sys.exc_info to extract the traceback and finally call pdb.post_mortem with that traceback
import pdb, traceback, sys
def bombs():
a = []
print a[0]
if __name__ == '__main__':
try:
bombs()
except:
e...