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Sort NSArray of date strings or objects
...yUsingSelector: or -[NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison function. (NSDate obj...
Anything wrong with NOT signing a .NET assembly?
...that this contributes to your colleague's desire to sign everything -- the compiler is demanding it.
EDIT Since writing this answer you can see both the pro and against camp have roughly equivalent support. There clearly isn't a right answer here.
The point that compelled this edit though is tha...
Why does the is operator return false when given null?
...be implicitly assuming that a type is a set of values, and that assignment compatibility of a value y with a variable of type X is nothing more nor less than checking whether y is a member of set x.
Though that is an extremely common way of looking at types, that is not the only way of looking at ...
Run a single test method with maven
...
To run a single test method in Maven, you need to provide the command as:
mvn test -Dtest=TestCircle#xyz test
where TestCircle is the test class name and xyz is the test method.
Wild card characters also work; both in the method name and class name.
If you're testing in a multi-mod...
ListView item background via custom selector
...g="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="?android:attr/listPreferredItemHeight"
android:background="@drawable/listitem_background"
>
...
</LinearLayout>
listite...
What is the difference between Numpy's array() and asarray() functions?
...type=int, copy=False, subok=True) will copy both, because the dtype is not compatible.
Most of the other functions are thin wrappers around array that control when copying happens:
asarray: The input will be returned uncopied iff it's a compatible ndarray (copy=False).
asanyarray: The input will...
SQL Server Insert if not exists
...t connection executes the INSERT, i.e. a race condition. See stackoverflow.com/a/3791506/1836776 for a good answer on why even wrapping in a transaction doesn't solve this.
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Error in strings.xml file in Android
...
post your complete string. Though, my guess is there is an apostrophe (') character in your string. replace it with (\') and it will fix the issue. for example,
//strings.xml
<string name="terms">
Hey Mr. Android, are you stuck?...
Abstract Class vs Interface in C++ [duplicate]
...ot instantiable
};
In Windows programming, interfaces are fundamental in COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a CO...
Parse RSS with jQuery
...ack) {
$.ajax({
url: document.location.protocol + '//ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&callback=?&q=' + encodeURIComponent(url),
dataType: 'json',
success: function(data) {
callback(data.responseData.feed);
}
});
}
...