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About Android image and asset sizes
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Should I impose a maximum length on passwords?
... treat only the first 256/1024/2k/4k/(whatever) bytes as "significant", in order to avoid crunching on mammoth passwords.]
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Equivalent to 'app.config' for a library (DLL)
...}
You'll also have to add reference to System.Configuration namespace in order to have the ConfigurationManager class available.
When building the project, in addition to the DLL you'll have DllName.dll.config file as well, that's the file you have to publish with the DLL itself.
The above is ba...
Android Endless List
... to 0, for instance, the user has to scroll to the very end of the list in order to load more items.
(optional) As you can see, the "load-more check" is only called when the user stops scrolling. To improve usability, you may inflate and add a loading indicator to the end of the list via listView.ad...
Retrieving the last record in each group - MySQL
...TH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1;
Below is the original answer I wrote for this question in 2009:
I write the solution this way:
SELECT m1.*
FROM messages m1 LEFT...
A 'for' loop to iterate over an enum in Java
...se of lambda and streams (Tutorial):
Stream.of(Direction.values()).forEachOrdered(System.out::println);
Why forEachOrdered and not forEach with streams ?
The behaviour of forEach is explicitly nondeterministic where as the forEachOrdered performs an action for each element of this stream, in t...
Python: Ignore 'Incorrect padding' error when base64 decoding
...es that aren't in [A-Za-z0-9]. Then you'll need to experiment to see which order they need to be used in the 2nd arg of base64.b64decode()
Update 3: If your data is "company confidential":
(a) you should say so up front
(b) we can explore other avenues in understanding the problem, which is highly ...
Sorting a vector of custom objects
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Edit2: As Kappa suggests you can also sort the vector in the descending order by overloading a > operator and changing call of sort a bit:
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
bool operator...
How to study design patterns? [closed]
...me people already mentioned, practice and refactoring. I believe the right order to learn about patterns is this:
Learn Test Driven Development (TDD)
Learn refactoring
Learn patterns
Most people ignore 1, many believe they can do 2, and almost everybody goes straight for 3.
For me the key to im...
What is the most effective way for float and double comparison?
...loating point numbers for depends on the context. Since even changing the order of operations can produce different results, it is important to know how "equal" you want the numbers to be.
Comparing floating point numbers by Bruce Dawson is a good place to start when looking at floating point comp...