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Display help message with python argparse when script is called without any arguments
...derr.write('error: %s\n' % message)
self.print_help()
sys.em>x m>it(2)
parser = MyParser()
parser.add_argument('foo', nargs='+')
args = parser.parse_args()
Note that the above solution will print the help message whenever the error
method is triggered. For em>x m>ample, test.py --blah wil...
ALTER DATABASE failed because a lock could not be placed on database
...
After you get the error, run
Em>X m>EC sp_who2
Look for the database in the list. It's possible that a connection was not terminated. If you find any connections to the database, run
KILL <SPID>
where <SPID> is the SPID for the sessions that ...
How to enable MySQL Query Log?
...additional options to log only slow queries, or those which do not use indem>x m>es.
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How to get body of a POST in php?
...ain the input in its stream form (rather than buffering it like the first em>x m>ample above).
To maintain the stream resource something like this can be helpful:
<?php
function detectRequestBody() {
$rawInput = fopen('php://input', 'r');
$tempStream = fopen('php://temp', 'r+');
stream_...
UINavigationBar Hide back Button Tem>x m>t
How can I hide the Back Button Tem>x m>t from an UINavigation Controller?
I will only have the "
31 Answers
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How do I know the script file name in a Bash script?
How can I determine the name of the Bash script file inside the script itself?
23 Answers
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In what order are Panels the most efficient in terms of render time and performance?
There are many times when more than one panel would suitable for the layout I want, however I know there is a difference in render times for different panel types.
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How to use the C socket API in C++ on z/OS
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Keep a copy of the IBM manuals handy:
z/OS V1R11.0 m>X m>L C/C++ Programming Guide
z/OS V1R11.0 m>X m>L C/C++ Run-Time Library Reference
The IBM publications are generally very good, but you need to get used to their format, as well as knowing where to look for an answer. You'l...
Regular em>x m>pression to match balanced parentheses
I need a regular em>x m>pression to select all the tem>x m>t between two outer brackets.
21 Answers
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Failed to import new Gradle project: failed to find Build Tools revision *.0.0
...nd install the correct version of Android SDK Build-tools and you should fim>x m> the problem.
– andre
Oct 19 '13 at 7:44
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