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Can I split an already split hunk with git?
...s the only chunk, you'll be able to split it.
If you're worried about the order of commits, just use git rebase -i.
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...erent type than a field with the same name in the abstract parent class in order to guarantee that all the subclasses all have a field with a certain name. utapyngo's code doesn't meet this need.
– Daniel
Jun 10 '15 at 17:02
...
Spring DAO vs Spring ORM vs Spring JDBC
... now using Hibernate, and your service layer catches HibernateException in order to react to it. If you change to JPA, your DAOs interfaces should not change, and the service layer will still compile with blocks that catches HibernateException, but you will never enter these blocks as your DAOs are ...
Download a file with Android, and showing the progress in a ProgressDialog
...t.setDescription("Some descrition");
request.setTitle("Some title");
// in order for this if to run, you must use the android 3.2 to compile your app
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
request.allowScanningByMediaScanner();
request.setNotificationVisibility(Down...
boolean in an if statement
...ample. It has to do with how Javascript does automatic type conversion in order to compare two values of different types.
– jfriend00
Dec 3 '19 at 16:17
How are virtual functions and vtable implemented?
...bl contents are simply an array of member pointers there (generally in the order they were declared, with the base class's first). There are of course other possible layouts, but that's what I've generally observed.
class A {
public:
virtual int f1() = 0;
};
class B : public A {
public:
vir...
Recommended way of making React component/div draggable
...(use ImagePreloaderMixin to load them);
Say, we want to make ImageBlocks reorderable. We only need them to implement dropTarget and dragSource for ItemTypes.BLOCK.
Suppose we add other kinds of blocks. We can reuse their reordering logic by placing it in a mixin.
dropTargetFor(...types) allows to sp...
How to calculate moving average using NumPy?
...nce of np.ones of a length equal to the sliding window length we want.
In order to do so we could define the following function:
def moving_average(x, w):
return np.convolve(x, np.ones(w), 'valid') / w
This function will be taking the convolution of the sequence x and a sequence of ones of l...
UIActivityViewController crashing on iOS 8 iPads
...the three following properties:
barButtonItem
sourceView
sourceRect
In order to specify the anchor point you will need to obtain a reference to the UIActivityController's UIPopoverPresentationController and set one of the properties as follows:
if ( [activityViewController respondsToSelector:@s...
Difference between Dictionary and Hashtable [duplicate]
... collection is that it does boxing automatically for your values and
in order to get your original value you need to perform unboxing ,
these to decrease your application performance as penalty.
Dictionary: This is generic type of collection where no implicit
boxing, so no need to unboxi...