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Remove Fragment Page from ViewPager in Android
...ange of all previous fragments
baseId += getCount() + n;
}
}
Now, for example if you delete a single tab or make some change to the order, you should call notifyChangeInPosition(1) before calling notifyDataSetChanged(), which will ensure that all the Fragments will be recreated.
Why t...
Message Queue vs Message Bus — what are the differences?
And are there any? To me, MB knows both subscribers and publishers and acts as a mediator, notifying subscribers on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
...
How do you add an action to a button programmatically in xcode
I know how to add an IBAction to a button by dragging from the interface builder, but I want to add the action programmatically to save time and to avoid switching back and forth constantly. The solution is probably really simple, but I just can't seem to find any answers when I search it. Thank you...
RESTful way to create multiple items in one request
.../api/sheep/{id} and we can POST to /api/sheep to create a sheep resource.
Now, if we want to support bulk creation, we should consider a new flock resource at /api/flock (or /api/<your-resource>-collection if you lack a better meaningful name). Remember that resources don't need to map to you...
Difference between BeautifulSoup and Scrapy crawler?
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I think both are good... im doing a project right now that use both. First i scrap all the pages using scrapy and save that on a mongodb collection using their pipelines, also downloading the images that exists on the page.
After that i use BeautifulSoup4 to make a pos-proce...
An invalid form control with name='' is not focusable
...field (which was "required") and triggers this error. Solution, remove the now hidden "required" attribute from the form and rely on other method to ensure it is filled in.
– john
Apr 14 '17 at 3:43
...
Java Byte Array to String to Byte Array
...1, while s2 holds the string representation of the bytes contained in b1.
Now, in your problem, your server returns a string similar to s1, therefore to get the array representation back, you need the opposite constructor method. If s2.getBytes() is the opposite of new String(b1), you need to find ...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
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Now only if the PreferenceFragment was included in the compatibility package it would make sense to use it stackoverflow.com/questions/5501431/…
– christoff
Mar 29 '12 at 0:17
...
Split string with delimiters in C
...str) - 1);
/* Add space for terminating null string so caller
knows where the list of returned strings ends. */
count++;
result = malloc(sizeof(char*) * count);
if (result)
{
size_t idx = 0;
char* token = strtok(a_str, delim);
while (token)
...
How to estimate how much memory a Pandas' DataFrame will need?
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If you know the dtypes of your array then you can directly compute the number of bytes that it will take to store your data + some for the Python objects themselves. A useful attribute of numpy arrays is nbytes. You can get the numbe...