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How to select option in drop down protractorjs e2e tests
...lly wrote a helper function that selects dropdown values.
I eventually decided that I was fine selecting by option number, and therefore wrote a method that takes an element and the optionNumber, and selects that optionNumber. If the optionNumber is null it selects nothing (leaving the dropdown un...
How do you display a Toast from a background thread on Android?
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You can do it by calling an Activity's runOnUiThread method from your thread:
activity.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(activity, "Hello", Toast.LENGTH_SHORT).show();
}
});
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How to avoid “RuntimeError: dictionary changed size during iteration” error?
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In Python 2.x calling keys makes a copy of the key that you can iterate over while modifying the dict:
for i in d.keys():
Note that this doesn't work in Python 3.x because keys returns an iterator instead of a list.
Another way is to u...
Git diff says subproject is dirty
... For me, I had to go into each dirty submodule and run git clean -id.
– GDP2
Nov 13 '17 at 15:45
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How do I force a UITextView to scroll to the top every time I change the text?
...there's too much hoop jumping to get things to behave the way they automatically should in most cases.
– John Contarino
Jun 9 '15 at 21:52
4
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Split views.py in several files
...y I did this was to create a views directory, then, in that, create a file called __init__.py
Now, when you're calling in your urls.py, you simply need to add another part
For example, previously, you may have called:-
url(r'^calendar/(?P<year>\d\d\d\d)/$', 'myproject.calendar.views.year')
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Is there a way to add/remove several classes in one single instruction with classList?
... And if you want to apply an Array of several class-names, you have to call: DOMTokenList.prototype.add.apply(elem.classList, ['first', 'second', 'third']);
– Emanuel Kluge
Feb 15 '13 at 16:36
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How can I create an Asynchronous function in Javascript?
...odash:
_.defer( yourFn );
Defers invoking the func until the current call stack has cleared. Any additional arguments are provided to func when it's invoked.
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Why use non-member begin and end functions in C++11?
...or that container. However, C++11 has apparently introduced free functions called std::begin and std::end which call the begin and end member functions. So, instead of writing
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How do C++ class members get initialized if I don't do it explicitly?
... explicit initialization, initialization of members in classes works identically to initialization of local variables in functions.
For objects, their default constructor is called. For example, for std::string, the default constructor sets it to an empty string. If the object's class does not have...