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log4j configuration via JVM argument(s)?
...exactly what you are looking for, I would like to point out the following alternative:
You can also use a configuration class instead of the properties or xml file.
-Dlog4j.configuratorClass=com.foo.BarConfigurator
See http://logging.apache.org/log4j/1.2/manual.html for details.
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Custom Cell Row Height setting in storyboard is not responding
...he cell in question. When I run the app on my iPhone the cell has the default size set from the "row size" in the table view.
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Foreign Key to non-primary key
...u're out of luck, but this really does make sense if you think about it.
Although, as has been mentioned, if you have a perfectly good primary key as a candidate key, why not use that?
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impr...
Using HTML5/JavaScript to generate and save a file
...ng it there initially or by reading innerHTML of the tag of an already built page).
2) Build the data URI:
uriContent = "data:application/octet-stream," + encodeURIComponent(content);
There will be length limitations depending on browser type etc., but e.g. Firefox 3.6.12 works until at least 2...
UnicodeDecodeError, invalid continuation byte
...
Because UTF-8 is multibyte and there is no char corresponding to your combination of \xe9 plus following space.
Why should it succeed in both utf-8 and latin-1?
Here how the same sentence should be in utf-8:
>>> o.decode('latin-1')....
Activity restart on rotation Android
... new Application class in the manifest for it to be registered and used:
<application
android:name="com.you.yourapp.MyApplicationClass"
Reacting to Configuration Changes [UPDATE: this is deprecated since API 13; see the recommended alternative]
As a further alternative, you can have your ...
Difference between initLoader and restartLoader in LoaderManager
...
info = createAndInstallLoader(id, args, LoaderManager.LoaderCallbacks<Object>)callback);
} else {
// Loader exists -> only replace callbacks
info.mCallbacks = (LoaderManager.LoaderCallbacks<Object>)callback;
}
restartLoader
LoaderInfo info = mLoaders.get(id);
if (info...
In c++ what does a tilde “~” before a function name signify?
...This method is called when the instance of your class is destroyed:
Stack<int> *stack= new Stack<int>;
//do something
delete stack; //<- destructor is called here;
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Convert Year/Month/Day to Day of Year in Python
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Better yet: time.localtime().tm_yday No need to convert a datetime to a timetuple since that's what localtime() yields.
– Mike Ellis
Apr 29 '14 at 13:36
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return statement vs exit() in main()
... main() { return 0; }
but to use exit you'll need an include:
#include <stdlib.h>
int main() { exit(EXIT_SUCCESS); }
Plus this adds an additional assumption: that calling exit from main has the same side effects as returning zero. As others have pointed out, this depends on what kind of ...