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Why does python use 'else' after for and while loops?
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It's a strange construct even to seasoned Python coders. When used in conjunction with for-loops it basically means "find some item in the iterable, else if none was found do ...". As in:
found_obj = None
for obj in objects:...
To underscore or to not to underscore, that is the question
Are there any problems with not prefixing private fields with an underscore in C# if the binary version is going to be consumed by other framework languages? For example since C# is case-sensitive you can call a field "foo" and the public property "Foo" and it works fine.
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Are there any smart cases of runtime code modification?
Can you think of any legitimate (smart) uses for runtime code modification (program modifying it's own code at runtime)?
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Update ViewPager dynamically?
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When using FragmentPagerAdapter or FragmentStatePagerAdapter, it is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to im...
Is there a way to style a TextView to uppercase all of its letters?
...sign a xml attribute or style to a TextView that will make whatever text it has in ALL CAPITAL LETTERS.
7 Answers
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IntelliJ does not show project folders
I have an issue with IntelliJ. It doesn't show any folders in my project view on the left.
My setting is "View As: Project"
How can I manage it so that the folders and packages are shown again?
I don't have any clue because I didn't change any options!
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java.util.Date vs java.sql.Date
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Congratulations, you've hit my favorite pet peeve with JDBC: Date class handling.
Basically databases usually support at least three forms of datetime fields which are date, time and timestamp. Each of these have a corresponding class in JDBC and ea...
How to send objects through bundle
I need to pass a reference to the class that does the majority of my processing through a bundle.
11 Answers
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Null vs. False vs. 0 in PHP
...nce between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
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Write to file, but overwrite it if it exists
How do I make it so it creates the file if it doesn't exist, but overwrites it if it already exists. Right now this script just appends.
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