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Make copy of an array
... say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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In which case do you use the JPA @JoinTable annotation?
... project_id
name name task_id
The Project_Tasks table is called a "Join Table". To implement this second solution in JPA you need to use the @JoinTable annotation. For example, in order to implement a uni-directional one-to-many association, we can define our entities as such:
Proj...
pycharm convert tabs to spaces automatically
... giving errors everywhere because it can't convert tabs to spaces automatically is there a way to achieve this.
7 Answers
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onBitmapLoaded of Target object not called on first load
...arget object, thus it's being garbage collected and onBitmapLoaded is not called.
The solution is quite simple, just make a strong reference to the Target.
public class MyClass {
private Target mTarget = new Target() {...};
public void getPointMarkerFromUrl(final String url, final OnBitmapDes...
Start thread with member function
...t one of the types described in the previous item;
f(t1, t2, ..., tN) in all other cases.
Another general fact which I want to point out is that by default the thread constructor will copy all arguments passed to it. The reason for this is that the arguments may need to outlive the calling ...
Using Java to find substring of a bigger string using Regular Expression
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You should be able to use non-greedy quantifiers, specifically *?. You're going to probably want the following:
Pattern MY_PATTERN = Pattern.compile("\\[(.*?)\\]");
This will give you a pattern that will match your string and put the text within the square brackets in the first ...
How to click or tap on a TextView text
...Don't forget the clickable attribute, without it, the click handler isn't called.
main.xml
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<TextView
android:id="@+id/click"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
androi...
Convert seconds to HH-MM-SS with JavaScript?
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Granted Moment.js isn't all that big but if all you're doing with it is to convert seconds to hh:mm:ss, it seems like a bit of overkill. Rather use one of the functions suggested in these or other answers.
– Ola Karlsson
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How to pass in password to pg_dump?
...if you have multiple commands that would require password you can put them all in the script. If the password changes you only have to change it in one place (the script).
And I agree with Joshua, using pg_dump -Fc generates the most flexible export format and is already compressed. For more info s...
cURL equivalent in Node.js?
I'm looking to use information from an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
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