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ng-options with simple array init
... It works if you get select's value with angular, but in my case (ie classic submit form), values will be 0,1,2,3, not var1,var2,var3
– Dragu
Aug 13 '13 at 6:45
1
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Why is Scala's immutable Set not covariant in its type?
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Set is invariant in its type parameter because of the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] extends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set were covariant in A, the apply method woul...
What is the fundamental difference between WebSockets and pure TCP?
... wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets?
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How do I call setattr() on the current module?
...attr (which breaks the letter of the question but satisfies the same practical purposes;-):
globals()[name] = value
Note: at module scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work from within a function (vars() gives the variables of the s...
Print function log /stack trace for entire program using firebug
Firebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls 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 called "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 can I read a whole file into a string variable
...le reads the file named by filename and returns the contents. A successful call
returns err == nil, not err == EOF. Because 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 can be converted if really nec...
Getting vertical gridlines to appear in line plot in matplotlib
I want to get both horizontal and vertical 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
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You can 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 can have an index.cshtml content view like this
@section scripts {
<script type="text/javascript">alert('hello');</script>
}
the required indicates whether or not the view using the layout page must have a...