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How can I assign an ID to a view programmatically?
In an XML file, we can assign an ID to a view like android:id="@+id/something" and then call findViewById() , but when creating a view programmatically, how do I assign an ID?
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jQuery Plugin: Adding Callback functionality
I'm trying to give my plugin callback functionality, and I'd like for it to operate in a somewhat traditional way:
6 Answer...
How do you get a Golang program to print the line number of the error it just called?
...his to work I only need to set that at the top of one of the package files and it will available for all my files for that package?
– Pinocchio
Jul 17 '14 at 18:31
4
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What are some better ways to avoid the do-while(0); hack in C++?
...is considered acceptable practice to isolate these decisions in a function and use returns instead of breaks. While all these checks correspond to the same level of abstraction as of the function, it is quite logical approach.
For example:
void foo(...)
{
if (!condition)
{
return;
}...
How to correctly iterate through getElementsByClassName
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This is the right solution, unless you try to look up and change elements that have a same class and are within each other. I explained my workaround in edit to my question.
– Kupto
Apr 24 '13 at 12:56
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How to get last key in an array?
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A solution would be to use a combination of end and key (quoting) :
end() advances array 's internal pointer to the last element, and returns its value.
key() returns the index element of the current array position.
So, a portion of code such as this one should do th...
Python Dictionary Comprehension
...to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you like.
>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>>...
dealloc in Swift
...an-up
yourself. For example, if you create a custom class to open a file and
write some data to it, you might need to close the file before the
class instance is deallocated.
share
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improve ...
Python logging not outputting anything
...han info.
To change the level, just set it in the root logger:
'root':{'handlers':('console', 'file'), 'level':'DEBUG'}
In other words, it's not enough to define a handler with level=DEBUG, the actual logging level must also be DEBUG in order to get it to output anything.
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An async/await example that causes a deadlock
...nAsync awaits the Task returned by GetStringAsync. The context is captured and will be used to continue running the GetJsonAsync method later. GetJsonAsync returns an uncompleted Task, indicating that the GetJsonAsync method is not complete.
The top-level method synchronously blocks on the Task re...