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Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
... you are welcome any time you can add custom header too check all constructors of ResponseEntity
– Bassem Reda Zohdy
Apr 27 '13 at 22:27
7
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Rename master branch for both local and remote Git repositories
...reated. the pull will attempt to merge master and master-old. So it's generally a bad idea unless you have the cooperation of everyone who has checked out the repository previously.
Note: Newer versions of git will not allow you to delete the master branch remotely by default. You can override this...
Showing commits made directly to a branch, ignoring merges in Git
...using git, is there a way to show commits made to a branch, while ignoring all commits that were brought in by merging?
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Programmatically register a broadcast receiver
I'd like to know what is the best practice/way of programmatically register a broadcast receiver. I want to register specific receivers according to user choice.
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The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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How to Right-align flex item?
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Thanks. Would you personally prefer this over Yohann Tilotti's display table method above? If so, why?
– Mark Boulder
Mar 16 '14 at 4:19
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Assign variable in if condition statement, good practice or not? [closed]
...tended to write this:
if (value == someFunction()) {
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}
If you really want to do the assignment in place, I would recommend doing an explicit comparison as well:
if ((value = someFunction()) === <whatever truthy value you are expecting>) {
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}
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Set a default font for whole iOS app?
...ze:17.0]];
That will set the font to be whatever your custom font is for all UILabels in your app. You'll need to repeat it for each control (UIButton, UILabel, etc.).
Remember you'll need to put the UIAppFonts value in your info.plist and include the name of the font you're including.
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Is it safe to delete a void pointer?
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It depends on "safe." It will usually work because information is stored along with the pointer about the allocation itself, so the deallocator can return it to the right place. In this sense it is "safe" as long as your allocator uses internal boundary tag...