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When to use Storyboard and when to use XIBs
... all depends on the project morphology (prototype?,large scale project?, already designed?, etc...) Here are my thoughts polarios.co/2014/08/04/storyboard-xibs-co
– Ganzolo
Nov 6 '14 at 14:33
...
Escape double quote character in XML
...s to abstract us to the point that we don't even need to understand how to read and write XML. Tha XML API probably isn't going to help you a lot when you feed it a malformed document and it blows up. Someone is going to have to fix the data to get it to load.
– Christopher P...
Convert floating point number to a certain precision, and then copy to string
...mat method, but make it a bit nicer.
Example:
print(f'{numvar:.9f}')
More reading about the new f string:
What's new in Python 3.6 (same link as above)
PEP official documentation
Python official documentation
Really good blog post - talks about performance too
Here is a diagram of the execution t...
Convert Decimal to Double
...ds clarity to the code and aids your fellow programmers who may eventually read it.
In addition to (or instead of) appending a .0 to the number, you can use decimal.ToDouble().
Here are some examples:
// Example 1
double transperancy = trackBar1.Value/5000;
this.Opacity = decimal.ToDouble(trans...
Builder Pattern in Effective Java
I have recently started to read Effective Java by Joshua Bloch. I found the idea of the Builder pattern [Item 2 in the book] really interesting. I tried to implement it in my project but there were compilation errors. Following is in essence what I was trying to do:
...
Android and setting width and height programmatically in dp units
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The formula is in the docs. For further reading, go to section 3 of developer.android.com/guide/practices/…
– SK9
Mar 20 '11 at 1:49
35
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Creating an API for mobile applications - Authentication and Authorization
...whole lot of questions in one, I guess quite a few people didn't manage to read all the way to the end :)
My experience of web service authentication is that people usually overengineer it, and the problems are only the same as you would encounter on a web page. Possible very simple options would ...
converting CSV/XLS to JSON? [closed]
... it took only a couple hours including researching tools.
Apache POI will read the Excel binary.
http://poi.apache.org/
JSONObject will build the JSON
After that it's just a matter of iterating through the rows in the Excel data and building a JSON structure. Here's some pseudo code for the basic...
Syntax for a single-line Bash infinite while loop
...dition has an exit status which is not zero.
Using a while loop:
while read i; do foo; sleep 2; done < /dev/urandom
Using a for loop:
for ((;;)); do foo; sleep 2; done
Another way using until:
until [ ]; do foo; sleep 2; done
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JSON Stringify changes time of date because of UTC
... code non-timezone safe -- you should be correcting the timezone when your read the date back in.
– olliej
Sep 28 '09 at 17:51
4
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