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At runtime, find all classes in a Java application that extend a base class
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I use org.reflections:
Reflections reflections = new Reflections("com.mycompany");
Set<Class<? extends MyInterface>> classes = reflections.getSubTypesOf(MyInterface.class);
Another example:
public static void ma...
Updating version numbers of modules in a multi-module Maven project
...ule project.
If you made a mistake, do
mvn versions:revert
afterwards, or
mvn versions:commit
if you're happy with the results.
Note: this solution assumes that all modules use the aggregate pom as parent pom also, a scenario that was considered standard at the time of this answer. If that...
Saving and Reading Bitmaps/Images from Internal memory in Android
What I want to do, is to save an image to the internal memory of the phone (Not The SD Card) .
7 Answers
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How can I analyze Python code to identify problematic areas?
I have a large source repository split across multiple projects. I would like to produce a report about the health of the source code, identifying problem areas that need to be addressed.
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JavaScript displaying a float to 2 decimal places
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float_num.toFixed(2);
Note:toFixed() will round or pad with zeros if necessary to meet the specified length.
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How do I make XAML DataGridColumns fill the entire DataGrid?
...he remaining space just apply it to that column with the rest being "Auto" or a specific width.
You can also use Width="0.25*" (for example) if you want the column to take up 1/4 of the available width.
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Replacing spaces with underscores in JavaScript?
I'm trying to use this code to replace spaces with _, it works for the first space in the string but all the other instances of spaces remain unchanged. Anybody know why?
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Vertically aligning CSS :before and :after content [duplicate]
...ion after reading your advice on the vertical-align CSS attribute. Thanks for the tip!
.pdf:before {
padding: 0 5px 0 0;
content: url(../img/icon/pdf_small.png);
vertical-align: -50%;
}
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Onclick javascript to make browser go back to previous page?
... your input element
<input
action="action"
onclick="window.history.go(-1); return false;"
type="submit"
value="Cancel"
/>
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How do I unload (reload) a Python module?
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You can reload a module when it has already been imported by using the reload builtin function (Python 3.4+ only):
from importlib import reload
import foo
while True:
# Do some things.
if is_changed(foo):
foo = reload(foo)
In Python 3, reload was moved to...