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When should we implement Serializable interface?
...chanism is a long-term goal.
Why Java serialization is flawed
Java provides as part of the language a serialization scheme you can opt in to, by using the Serializable interface. This scheme however has several intractable flaws and should be treated as a failed experiment by the Java language d...
What's the difference between and
...;?> is reifiable while <? extend object> is not. The reason they did this is to make it easier to distinguish reifiable type. Anything that looks like <? extends something>,<T>,<Integer> are nonreifiable.
For example, this code would work
List aList = new ArrayList&...
How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...and rightfully so), but they will be more difficult to fix because of the hidden assumption that b is false. Explicitly specifying the bool parameter has another benefit: it improves the readability of your tests. Someone going through them will quickly know that there's one Foo function that accept...
Unsigned keyword in C++
...n C++. In the current standard: 7.1.5.2 [dcl.simple.type] has a table that identifies each type declaration to the actual type used. That table has a correspondence from 'unsigned' declaration to 'unsigned int' type.
– David Rodríguez - dribeas
Jan 20 '10 at 8...
What are the aspect ratios for all Android phone and tablet devices?
I'm looking for a list of all screen aspect ratios for popular Android based Phones and Tablets.
5 Answers
...
Get pandas.read_csv to read empty values as empty string instead of nan
...
sorry to resurrect such an old answer, but did this ever happen? As far as I can tell from this GitHub PR it was closed without ever being merged, and I'm not seeing the requested behavior in pandas version 0.14.x
– drammock
Sep ...
Left align and right align within div in Bootstrap
...th float-* and text-* are responsive for different alignment at different widths (ie: float-sm-right)
The flexbox utils (eg:justify-content-between) can also be used for alignment:
<div class="d-flex justify-content-between">
<div>
left
</div>
<div&...
What does 'wb' mean in this code, using Python?
...tead, I was able to get it to work properly.
– TheDavidJohnson
Oct 1 '19 at 16:12
1
Thanks for yo...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
... 3 would. So it is not a bad place for drivers as Intel planned...
That said, they definitely do have use in some designs. In fact, not always directly by the OS. For example, VirtualBox, a Virtual Machine, puts the guest kernel code in ring 1. I am also sure some operating systems do make use of t...
Case insensitive access for generic dictionary
... Well, it depends on the behaviour you want. If the user is providing the key via the UI (or if you need to consider e.g. ss and ß equal) then you'll need to use a different culture, but given that the value is being used as the key for a hashmap coming from an external dependency, I thi...