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Biggest GWT Pitfalls? [closed]
...that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
...
How can I convert an RGB image into grayscale in Python?
...
SciPy's image I/O is literally PIL/Pillow. Hence, testing SciPy is effectively retesting PIL/Pillow with negligible overhead introduced by SciPy's wrapper functions. It would have been much more useful to substitute OpenCV (which does not leverage PIL...
Join/Where with LINQ and Lambda
...re post.ID == id
select new { Post = post, Meta = meta };
If you're really stuck on using lambdas though, your syntax is quite a bit off. Here's the same query, using the LINQ extension methods:
var id = 1;
var query = database.Posts // your starting point - table in the "from" statement
...
Animate text change in UILabel
...seems that you have to specify the fade at each change. So - provided you call the transition each time, this works fine in my test on iOS9.
– Confused Vorlon
Nov 7 '15 at 23:50
...
How do I allow HTTPS for Apache on localhost?
... up HTTPS with a self-signed cert on Apache on localhost, but how do I actually do that? I have no idea at all.
16 Answers
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Find objects between two dates MongoDB
...being before "Jan Sun 01.01.1000"). It would probably make sense to format all date data into the MongoDB format, which I think is just plain JavaScript Date.
– ponzao
May 31 '10 at 16:47
...
Multiline bash commands in makefile
...colon:
foo:
for i in `find`; \
do \
all="$$all $$i"; \
done; \
gcc $$all
But if you just want to take the whole list returned by the find invocation and pass it to gcc, you actually don't necessarily need a multiline command:
foo:
...
How do I compare two hashes?
...=> [["c", 3]]
Hash[*difference.flatten]
=> {"c"=>3}
Doing it all in one operation and getting rid of the difference variable:
Hash[*(
(hash3.size > hash1.size) \
? hash3.to_a - hash1.to_a \
: hash1.to_a - hash3.to_a
).flatten]
=> {"c"=>3}
...
How to generate unique ID with node.js
...r issue with a callback as follows:
function generate(count, k) {
var _sym = 'abcdefghijklmnopqrstuvwxyz1234567890',
var str = '';
for(var i = 0; i < count; i++) {
str += _sym[parseInt(Math.random() * (_sym.length))];
}
base.getID(str, function(err, res) {
if...
Difference between case object and object
...of serialization
a prettier default implementation of toString, and
the small amount of functionality that they get from automatically inheriting from scala.Product.
Pattern matching, equals and hashCode don't matter much for singletons (unless you do something really degenerate), so you're pre...