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How can I mask a UIImageView?
...n the mask.contents, should CGImage. Not [CGImage]. If use bracket [ ], it means Array.
– strawnut
Oct 25 '19 at 2:44
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What is the different between 'Auto' and '*' when setting width/height for a grid column?
...r will talk about columns, but the same applies to rows.
In brief:
- Auto means size to column content and
- * means size proportional to grid
Auto means that a column is given as much width as the elements within it require.
The width of * sized columns is calculated by allocating space for the...
Ruby: kind_of? vs. instance_of? vs. is_a?
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What do you mean by polymorphism? Is it the same as duck typing?
– Andrew Grimm
Jul 3 '12 at 22:52
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What is the Sign Off feature in Git for?
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It should be noted that the described meaning is the one assigned to the Signed-off-by: commit message lines by the Linux kernel project (and the Git project itself). For other projects, however, such lines are meaningless unless the project assigns meaning to th...
What should I use Android AccountManager for?
...ndle threading.
ContentProvider ties into ContentResolver's observer: this means it is easy to notify views when content is changed
Bottom line: the framework AccountManager / SyncAdapter / ContentProvider helps if you want to synchronize data from a web resource. Fake/Dumb implementations are req...
submit a form in a new tab
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Ohhh yeah! that's what I mean! Sorry my english is so crap. I edited the topic, hope is more comprensive right now :)
– markzzz
Apr 18 '11 at 22:26
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How to use count and group by at the same select statement
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I think they mean if you put COUNT(DISTINCT town) in the WHERE clause. That is because it is an aggregate function and needs to be provided in the HAVING clause. This SQL query is misleading to some as SELECT COUNT(DISTINCT town) turns in...
Typical AngularJS workflow and project structure (with Python Flask)
... return send_file('templates/index.html')
Note that using send_file() means that the files will be cached, so you might want to use make_response() instead, at least for development:
return make_response(open('templates/index.html').read())
Afterwards, build out the AngularJS part of you...
What's wrong with using == to compare floats in Java?
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Ah--I didn't mean an equals instance method, but rather the static method (I think within the Float class) which compares two values of type float.
– supercat
Aug 7 '17 at 15:10
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difference between socket programming and Http programming
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HTTP is an application protocol. It basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP.
You can read more about OSI layers if you are interested.
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