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Why does “split” on an empty string return a non-empty array?
...ngleton array containing just the input string is returned,
Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array.
According to this, the result of "".split(",") should be an empty array because of the second step, right?
It should. Unfortunately,...
SQL left join vs multiple tables on FROM line?
...ave multiple employees.
Ok, so now you want to do the following:
List all the companies, and include all their departments, and all their employees. Note that some companies don't have any departments yet, but make sure you include them as well. Make sure you only retrieve departments that have...
How do you do a deep copy of an object in .NET? [duplicate]
..." while using this Utility code within the UserControlTestContainer. Its really weird because the assembly is loaded...
– v.oddou
May 21 '13 at 3:13
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Replace Fragment inside a ViewPager
...at ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract method to check which pages should be...
Remove the bottom divider of an android ListView
... This seems to no longer work starting with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I'...
How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
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Why is the tag deprecated in HTML?
...n property to center. This guarantees that the element will be centered in all modern browsers.
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How can I plot separate Pandas DataFrames as subplots?
...d indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would highly appreciate some help.
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Where is virtualenvwrapper.sh after pip install?
I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
Why functional languages? [closed]
...onal languages. In some cases, this can make code more readable.
Traditionally, one of the big disadvantages of functional programming was also the lack of side effects. It's very difficult to write useful software without IO, but IO is hard to implement without side effects in functions. So most p...