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any tool for java object to object mapping? [closed]
...n
mapper that recursively copies data
from one object to another. Typically,
these Java Beans will be of different
complex types.
Dozer supports simple property
mapping, complex type mapping,
bi-directional mapping,
implicit-explicit mapping, as well as
recursive mapping. This i...
Why no ICloneable?
...bad API now, since it does not specify whether the result is a deep or a shallow copy. I think this is why they do not improve this interface.
You can probably do a typed cloning extension method, but I think it would require a different name since extension methods have less priority than original...
How should one use std::optional?
...std::string s, int& i);
Another way that this could be done is especially bad:
int* try_parse_int(std::string s); //return nullptr if fail
This requires dynamic memory allocation, worrying about ownership, etc. - always prefer one of the other two signatures above.
Another example:
clas...
Creating java date object from year,month,day
...
Why downvote? My library dates from 2013. All functionality is available in java.time as specified in JSR 310 which I personally find is one of the best designed APIs. I fully recommend using that one.
– Hajo Lemcke
May 30 '19 a...
Securely storing environment variables in GAE with app.yaml
...ect Settings.
If you ran the code above, your keys will show up. They will all have the value NOT SET. Click each one and set its value.
Hope this helps!
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Combine multiple Collections into a single logical Collection?
...llections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the interna...
Haskell: Lists, Arrays, Vectors, Sequences
...stant , aka purely functional, which is very nice. Haskell lists aren't really "lists" because they are coinductive (other languages call these streams) so things like
ones :: [Integer]
ones = 1:ones
twos = map (+1) ones
tenTwos = take 10 twos
work wonderfully. Infinite data structures rock.
...
What happened to console.log in IE8?
...
Even better for fallback is this:
var alertFallback = true;
if (typeof console === "undefined" || typeof console.log === "undefined") {
console = {};
if (alertFallback) {
console.log = function(msg) {
...
How to programmatically take a screenshot on Android?
...ra mCurrentUrlMask must be a View since is the unique class in the Android API that has the getRootView() method. Probably is a view in the UI.
– gipi
May 24 '13 at 16:11
6
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python requests file upload
...y,
to save file at some location (temporary) and then open and send it to API
path = default_storage.save('static/tmp/' + f1.name, ContentFile(f1.read()))
path12 = os.path.join(os.getcwd(), "static/tmp/" + f1.name)
data={} #can be anything u want to pass along with File
file...