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The cause of “bad magic number” error when loading a workspace and how to avoid it?
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I got that error when I accidentally used load() instead of source() or readRDS().
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How do getters and setters work?
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Tutorial is not really required for this. Read up on encapsulation
private String myField; //"private" means access to this is restricted
public String getMyField()
{
//include validation, logic, logging or whatever you like here
return this.myField;
}
pub...
Base 64 encode and decode example code
...ke: 'toBase64()' and 'fromBase64()' as a minimum. This way I don't need to read any documentation to know what the method will do. Keep in mind: "code is read more than it is written".
– Rolf ツ
Nov 15 '18 at 11:30
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What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
...nality, which reduces your number of lines of code. Especially you have to read @Annotation of hibernate. It is an ORM framework and persistence layer.
Spring provides a rich set of the Injection based working mechanism. Currently, Spring is well-known. You have to also read about Spring AOP. There...
Simple regular expression for a decimal with a precision of 2
... they are certainly valid for a more generic number format. The comments thread here gives a few ways to handle ".21".
– DocMax
Jul 21 '17 at 16:06
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Xcode: failed to get the task for process
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To anyone who comes across this:
After reading this, I attempted to solve the problem by setting the Debug signing to my Development certificate only to find that deployment was still failing.
Turns out my target was Release and therefore still signing with the d...
How do I know the script file name in a Bash script?
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me=`basename "$0"`
For reading through a symlink1, which is usually not what you want (you usually don't want to confuse the user this way), try:
me="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
IMO, that'll produce confu...
How can I check if a string represents an int, without using try/except?
... 0x4df, is a valid integer in some places, and 0891 is not in others. I dread to think what might arise given unicode in these kinds of checks.
– PlexQ
Mar 25 '12 at 17:03
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FragmentPagerAdapter getItem is not called
...e who may find this while searching for a specific problem they're having; read up on both FragmentPagerAdapter and FragmentStatePagerAdapter. They behave differently for a reason and your specific use might require one over the other.
– Chris Stewart
Mar 2 '1...
Does every Core Data Relationship have to have an Inverse?
...or spelling out in clear detail what is - from the docs, and from all I've read - the main argument in favor of having inverses for everything, even where the inverse relationship isn't humanly meaningful. This really ought to be the accepted answer. All this question thread is missing now is a more...