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Does Java have something like C#'s ref and out keywords?
...No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You can only pass by value in Java. Even references are passed by value. See Jon Skeet's page about parameter passing in Java for more details.
To do something similar to ref or out you would have to wrap your...
Git pull after forced update
I just squashed some commits with git rebase and did a git push --force (which is evil, I know).
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Is there a difference between foreach and map?
Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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How to trim white spaces of array values in php
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array_map and trim can do the job
$trimmed_array = array_map('trim', $fruit);
print_r($trimmed_array);
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Troubleshooting “The use statement with non-compound name … has no effect”
Getting this error when I put use Blog; at the top.
5 Answers
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How to delete shared preferences data from App in Android
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To remove specific values: SharedPreferences.Editor.remove() followed by a commit()
To remove them all SharedPreferences.Editor.clear() followed by a commit()
If you don't care about the return value and you're using this from your application's main thread, consider using apply() instead.
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What is the Git equivalent for revision number?
We use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git .
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Find a commit on GitHub given the commit hash
I am fairly new to Github and have come across an amateur-ish problem.
3 Answers
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How to get only the last part of a path in Python?
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Use os.path.normpath, then os.path.basename:
>>> os.path.basename(os.path.normpath('/folderA/folderB/folderC/folderD/'))
'folderD'
The first strips off any trailing slashes, the second gives you the last part of the path. Using only basename gives ...
const char* concatenation
...ointing to char constants. You cannot change the char constants pointed to by these pointers. So anything like:
strcat(one,two); // append string two to string one.
will not work. Instead you should have a separate variable(char array) to hold the result. Something like this:
char result[100]; ...