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What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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How to convert Set to String[]?
... edited Apr 13 '18 at 13:05
Alexander Farber
17.5k6464 gold badges203203 silver badges359359 bronze badges
answered May 12 '11 at 18:16
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How to detect the swipe left or Right in Android?
I have an EditText view in android. On this I want to detect swipe left or right. I am able to get it on an empty space using the code below. But this does not work when I swipe on an EditText . How do I do that? Please let me know If I am doing something wrong. Thank you.
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How to extract epoch from LocalDate and LocalDateTime?
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The classes LocalDate and LocalDateTime do not contain information about the timezone or time offset, and seconds since epoch would be ambigious without this information. However, the objects have several methods to convert them into date/time obj...
Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
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The compiler first tries to evaluate the right-hand expression:
GetBoolValue() ? 10 : null
The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message.
If you change the right-hand expression to ...
Android: When should I use a Handler() and when should I use a Thread?
...gic that uses the network, or for whatever reason,
Starting a new Thread and running it works fine.
Creating a Handler and running it works as well.
What's the difference? When should I use each one?
What are the advantages / reasons to use a Handler and not a Thread ?
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Another Repeated column in mapping for entity error
...lumn in the mapping. That means you mapped the same database column twice. And indeed, you have:
@Column(nullable=false)
private Long customerId;
and also:
@ManyToOne(optional=false)
@JoinColumn(name="customerId",referencedColumnName="id_customer")
private Customer customer;
(and the same goes...
Camera access through browser
We are creating an HTML5 website for mobile and need to get camera access through the web browser without being a native app. We are having trouble making this work in iOS. Is anyone aware of a solution for this?
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Determining memory usage of objects? [duplicate]
...l memory used by an R session, one can do object.size(x=lapply(ls(), get)) and print(object.size(x=lapply(ls(), get)), units="Mb")
– tflutre
Feb 27 '13 at 3:09
4
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Jenkins Host key verification failed
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Change to the jenkins user and run the command manually:
git ls-remote -h git@bitbucket.org:person/projectmarket.git HEAD
You will get the standard SSH warning when first connecting to a new host via SSH:
The authenticity of host 'bitbucket.org (20...