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.NET unique object identifier
...e a mapping using weak references (to avoid preventing garbage collection) from a reference to an ID of your choosing (GUID, integer, whatever). That would add a certain amount of overhead and complexity, however.
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What is the difference between a User Control Library and a Custom Control Library?
...imited than a full custom control.
These controls have a small difference from a runtime point of view. When building an application and placing an UserControl into it, the control tree will have a concrete UserControl template inside of it. So if we consider a lame example of a specialized button....
notifyDataSetChanged example
... a lot of resources and garbage collection.)
Create your own class derived from BaseAdapter and ListAdapter that allows changing of the underlying List data structure.
Use the notifyDataSetChanged() every time the list is updated. To call it on the UI-Thread, use the runOnUiThread() of Activity.
The...
How to use the new affix plugin in twitter's bootstrap 2.1.0?
...ce. In your case, once 50px is scrolled, the class on your item is changed from .affix-top to .affix. You'd probably want to set data-offset-top to about 130px in your use case.
Once this class change occurs, you must position your element in css by styling the positioning for class .affix. Bootstr...
How do you get the logical xor of two variables in Python?
...
You can always use the definition of xor to compute it from other logical operations:
(a and not b) or (not a and b)
But this is a little too verbose for me, and isn't particularly clear at first glance. Another way to do it is:
bool(a) ^ bool(b)
The xor operator on two boo...
What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...
actually from my testing Version Number in itunesconnect is completely indipendent from CFBundleVersion and ShortVersion. So you can even have them different
– Marco Pappalardo
Sep 20 '17 at 8:47...
Is it possible to decompile a compiled .pyc file into a .py file?
...it possible to get some information out of the .pyc file that is generated from a .py file?
7 Answers
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How to replace a character by a newline in Vim
...sed raw printer data as the text file format, Mac OS used CR and converted from that to printer's raw format and UNIX used LF and converted from that to printer's raw format.
– Mikko Rantalainen
Dec 21 '17 at 7:46
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How to create a temporary directory/folder in Java?
...r problem:
@Rule
public TemporaryFolder folder = new TemporaryFolder();
From the documentation:
The TemporaryFolder Rule allows creation of files and folders that are guaranteed to be deleted when the test method finishes (whether it passes or fails)
Update:
If you are using JUnit Jupi...
Rotating x axis labels in R for barplot
...the bar labels and the plot text of the labels by saving the bar positions from barplot and do a little tweaking up and down. Here's an example with the mtcars data set:
x <- barplot(table(mtcars$cyl), xaxt="n")
labs <- paste(names(table(mtcars$cyl)), "cylinders")
text(cex=1, x=x-.25, y=-1.2...