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How to capture stdout output from a Python function call?
...sage:
with Capturing() as output:
do_something(my_object)
output is now a list containing the lines printed by the function call.
Advanced usage:
What may not be obvious is that this can be done more than once and the results concatenated:
with Capturing() as output:
print('hello world...
Specify JDK for Maven to use
...
Seems that maven now gives a solution here : Compiling Sources Using A Different JDK
Let's say your JAVA_HOME points to JDK7 (which will run maven processes)
Your pom.xml could be :
<build>
<plugins>
<!-- we wan...
Is there an IDictionary implementation that, on missing key, returns the default value instead of th
...e been using that "less efficient" method without realizing it for a while now.
– J Bryan Price
Jan 14 '13 at 22:20
5
...
In a django model custom save() method, how should you identify a new object?
...ble, but named that way to avoid conflicts, checking self._state.adding is now the preferable way to check.
self.pk is None:
returns True within a new Model object, unless the object has a UUIDField as its primary_key.
The corner case you might have to worry about is whether there are uniquene...
Generate a heatmap in MatPlotLib using a scatter data set
...in plot; so do (AFAIK) all of the plotting libraries for R; still i don't know if this is the generally accepted term for plots of this type, though i suspect it's likely given that hexbin is short for hexagonal binning, which is describes the essential step in preparing the data for display.)
fr...
How do I get logs/details of ansible-playbook module executions?
...ion to see the effect. With stdout_callback = debug set, the output should now look something like this:
TASK [Say Hello] ********************************
changed: [192.168.1.2] => {
"changed": true,
"rc": 0
}
STDOUT:
Hello!
STDERR:
Shared connection to 192.168.1.2 closed.
There...
What are “first class” objects?
...{ return n * 2; }
void g(Action<int> a, int n) { return a(n); }
// Now call g and pass f:
g(f, 10); // = 20
This is an example in C# where functions actually aren't first-class objects. The above code therefore uses a small workaround (namely a generic delegate called Action<>) to p...
What is a callback function?
... somewhere you can get to it
Execution comes back to where it was in [1]
Now suppose factorial took a really long time, because you're giving it huge numbers and it needs to run on some supercomputing cluster somwhere. Let's say you expect it to take 5 minutes to return your result. You could:
K...
CSV new-line character seen in unquoted field error
...
This now gives the same error, but on line starting upload.num_records = csvobject.get_row_count() now
– GrantU
Jun 26 '13 at 9:19
...
Most Pythonic way to provide global configuration variables in config.py? [closed]
...
I know this is a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a d...