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What's wrong with overridable method calls in constructors?
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478
On invoking overridable method from constructors
Simply put, this is wrong because it unneces...
Why is Double.MIN_VALUE in not negative
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The IEEE 754 format has one bit reserved for the sign and the remaining bits representing the magnitude. This means that it is "symmetrical" around origo (as opposed to the Integer values, which have one more negative value). Thus the m...
What is function overloading and overriding in php?
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edited Jul 14 '14 at 13:15
rightfold
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How to modify a global variable within a function in bash?
...e number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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Adding git branch on the Bash command prompt
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164
git 1.9.3 or later: use __git_ps1
Git provides a shell script called git-prompt.sh, which inclu...
Android java.lang.VerifyError?
...rs when I try to launch my app (except for once, when I included Apache Log4j.)
30 Answers
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How to use the PI constant in C++
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549
On some (especially older) platforms (see the comments below) you might need to
#define _USE_M...
List attributes of an object
...mber)
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>>> a = new_class(2)
>>> a.__dict__
{'multi': 4, 'str': '2'}
>>> a.__dict__.keys()
dict_keys(['multi', 'str'])
You may also find pprint helpful.
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impro...
How to show first commit by 'git log'?
...ial commit, gitk, some initially separate tools, git-gui, gitweb, and git-p4). In this case, we know that e83c516 is the one we are probably interested in. It is both the earliest commit and a root commit.
It is not so simple in the general case.
Imagine that libfoo has been in development for a w...
Can't subtract offset-naive and offset-aware datetimes
... phillcphillc
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