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How to exit if a command failed?
...e. With that, any command that fails (outside of specific contexts like if tests) will cause the script to abort. For certain scripts, it's very useful.
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Margin while printing html page
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This works now in Chrome 18 and IE9 (didn't test earlier versions). Still not working in Firefox 12, but you could do a server-side detection and add a body class <body class="firefox"> so in your css you can do body.firefox {margin: 0mm; padding: 0.25in;}, that...
Sending mail from Python using SMTP
...or text_subtype are plain, html, xml
text_subtype = 'plain'
content="""\
Test message
"""
subject="Sent from Python"
import sys
import os
import re
from smtplib import SMTP_SSL as SMTP # this invokes the secure SMTP protocol (port 465, uses SSL)
# from smtplib import SMTP ...
In SQL, how can you “group by” in ranges?
... of the version of SQLServer I am using but to get your example to work (I test things before I vote them up) I had to move 'score' from after the 'case' to after each 'when'.
– Ron Tuffin
Oct 24 '08 at 11:50
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What is the purpose and use of **kwargs?
...ction call
using *args and **kwargs to call a function
def args_kwargs_test(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
Now we'll use *args to call the above defined function
#args can either be a "list" or "tuple"
>>> args = ("two", 3...
Python Requests throwing SSLError
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$ pip install -U requests[security]
Tested on Python 2.7.6 @ Ubuntu 14.04.4 LTS
Tested on Python 2.7.5 @ MacOSX 10.9.5 (Mavericks)
When this question was opened (2012-05) the Requests version was 0.13.1. On version 2.4.1 (2014-09) the "security" extras were i...
SQL join: selecting the last records in a one-to-many relationship
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This is an example of the greatest-n-per-group problem that has appeared regularly on StackOverflow.
Here's how I usually recommend solving it:
SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (...
Do spurious wakeups in Java actually happen?
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I read the post and gave me an idea about having unit tests for testing one application's conformance to the looping-wait paradigm by waking it up randomly/deterministically. Or is it already available somewhere?
– akarnokd
Jun 26 '09 at 19...
iPhone app in landscape mode, 2008 systems
...the first time" has been resolved.
As of April 2011, it is not possible to test or even build anything below 4.0, so the question is purely a historic curiosity. It's incredible how much trouble it caused developers for so long!
Here is the original discussion and solution. This is utterly irrelev...
Switch statement fall-through…should it be allowed? [closed]
...our point and you are right, but your example is really bad. Nobody should test test digits like this. Scnr, your answer is right anyway.
– Tim Büthe
Oct 1 '10 at 11:33
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