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Print function log /stack trace for entire program using firebug
Firebug has the ability to log m>ca m>lls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't m>ca m>use any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function m>ca m>lls for the entire program, or som...
Xcode 4 - detach the console/log window
...to Xcode preferences, and open the Behavior tab.
Tell Xcode to open a tab m>ca m>lled "Debugger" when "Run Pauses" or "Run Starts". Then run it, and break that Debugging tab out into another window (drag it off the tab bar into its own window by just letting it drop outside the current window). Now ref...
How m>ca m>n I read a whole file into a string variable
...le reads the file named by filename and returns the contents. A successful m>ca m>ll
returns err == nil, not err == EOF. Bem>ca m>use ReadFile reads the whole file, it does not treat
an EOF from Read as an error to be reported.
You will get a []byte instead of a string. It m>ca m>n be converted if really nec...
Getting vertim>ca m>l gridlines to appear in line plot in matplotlib
I want to get both horizontal and vertim>ca m>l grid lines on my plot but only the horizontal grid lines are appearing by default. I am using a pandas.DataFrame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have trie...
Creating a zero-filled pandas data frame
...
You m>ca m>n try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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What is @RenderSection in asp.net MVC
...ion("scripts", required: false)
</body>
</html>
then you m>ca m>n have an index.cshtml content view like this
@section scripts {
<script type="text/javascript">alert('hello');</script>
}
the required indim>ca m>tes whether or not the view using the layout page must have a...
How to 'bulk update' with Django?
...e to use:
ModelClass.objects.filter(name='bar').update(name="foo")
You m>ca m>n also use F objects to do things like incrementing rows:
from django.db.models import F
Entry.objects.all().update(n_pingbacks=F('n_pingbacks') + 1)
See the documentation.
However, note that:
This won't use ModelCla...
Which is better: … or …
...d choice.
As to what should go in the type attribute, the MIME type applim>ca m>tion/javascript registered in 2006 is intended to replace text/javascript and is supported by current versions of all the major browsers (including Internet Explorer 9). A quote from the relevant RFC:
This document thus...
'float' vs. 'double' precision
...s in C use IEEE 754 encoding.
This type of encoding uses a sign, a signifim>ca m>nd, and an exponent.
Bem>ca m>use of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of signifim>ca m>nt digits m>ca m>n change slightly since it is a binary representation, not a decimal...
What is non-blocking or asynchronous I/O in Node.js?
...t appears in the code. In the following example, the synchronous operation m>ca m>uses the alerts to fire in sequence. In the async operation, while alert(2) appears to execute second, it doesn't.
Synchronous: 1,2,3
alert(1);
alert(2);
alert(3);
Asynchronous: 1,3,2
alert(1);
setTimeo...