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Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
5
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Django: Display Choice Value
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It looks like you were on the right track - get_FOO_display() is most certainly what you want:
In templates, you don't include () in the name of a method. Do the following:
{{ person.get_gender_display }}
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How to add default value for html ? [closed]
...extarea>, setting the default just inside like:
<textarea ng-model='foo'>Some default value</textarea>
...will not work!
You need to set the default value to the textarea's ng-model in the respective controller or use ng-init.
Example 1 (using ng-init):
var myApp = angular...
Why doesn't JavaScript have a last method? [closed]
Its kinda weird that the JavaScript Array class does not offer a last method to retrieve the last element of an array. I know the solution is simple (Ar[Ar.length-1] ), but, still, this is too frequently used.
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android edittext onchange listener
I know a little bit about TextWatcher but that fires on every character you enter. I want a listener that fires whenever the user finishes editing. Is it possible? Also in TextWatcher I get an instance of Editable but I need an instance of EditText . How do I get that?
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Should the folders in a solution match the namespace?
... discoverability of extension methods. I think this answer gives some good food for thought. Thanks.
– Lee Gunn
Apr 26 '15 at 16:08
3
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Handling colon in element ID with jQuery
...uff(id){
var jEle = $("#" + id); //is not safe, since id might be "foo:bar:baz" and thus fail.
//You would first have to look for ":" in the id string, then replace it
var jEle = $(document.getElementById(id)); //forget about the fact
//that the id string might contain...
What is pip's equivalent of `npm install package --save-dev`?
In nodejs, I can do npm install package --save-dev to save the installed package into the package.
8 Answers
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Python threading.timer - repeat function every 'n' seconds
...elf.function(*self.args, **self.kwargs)
Usage example:
def dummyfn(msg="foo"):
print(msg)
timer = RepeatTimer(1, dummyfn)
timer.start()
time.sleep(5)
timer.cancel()
produces the following output:
foo
foo
foo
foo
and
timer = RepeatTimer(1, dummyfn, args=("bar",))
timer.start()
time.slee...
C++ mark as deprecated
... but is discouraged for some reason.
For example, the following function foo is deprecated:
[[deprecated]]
void foo(int);
It is possible to provide a message that describes why the name or entity was deprecated:
[[deprecated("Replaced by bar, which has an improved interface")]]
void foo(int);
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