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Remove first 4 characters of a string with PHP
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BigDecimal - to use new or valueOf
...ost other cases), then valueOf() should be preferred: it can do caching of common values (as seen on Integer.valueOf()) and it can even change the caching behaviour without the caller having to be changed. new will always instantiate a new value, even if not necessary (best example: new Boolean(true...
How to merge remote master to local branch
...m:
git pull --rebase
Why this works:
git merge branchname takes new commits from the branch branchname, and adds them to the current branch. If necessary, it automatically adds a "Merge" commit on top.
git rebase branchname takes new commits from the branch branchname, and inserts them "unde...
Groovy / grails how to determine a data type?
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What do @, - and + do as prefixes to recipe lines in Make?
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They control the behaviour of make for the tagged command lines:
@ suppresses the normal 'echo' of the command that is executed.
- means ignore the exit status of the command that is executed (normally, a non-zero exit status would stop that part of the build).
+ means 'ex...
Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
... onSaveInstanceState method to the create MyActivity class, when I try to commit the code to Git, I get a strange error I don't understand. The code is this:
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Handling very large numbers in Python
...ichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though — as long as you have version 2.5 or better, just perform standard math operations and any number which exceeds the boundaries of 32-bit math will be automatically (...
optional parameters in SQL Server stored proc?
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“You are on a branch yet to be born” when adding git submodule
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XPath to find elements that does not have an id or class
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