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Generate random number between two numbers in JavaScript
...the equation, this is equivalent to
0 <= (X - min) <= (max - min)
Now, lets multiply this with a random number r
which is
0 <= (X - min) * r <= (max - min) * r
Now, lets add back min to the equation
min <= min + (X - min) * r <= min + (max - min) * r
Now, lets chose a funct...
Git push failed, “Non-fast forward updates were rejected”
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This command worked me, however I'd like to know, why this doesn't: git pull? The remote is equal to origin, so it actually runs: git pull origin. Shouldn't it update all the branches?
– Karlen Kishmiryan
Apr 15 '15 at 13:35
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Are there legitimate uses for JavaScript's “with” statement?
...e feature, and had never given much thought to how it might cause trouble. Now, I'm curious as to how I might make effective use of with , while avoiding its pitfalls.
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How does the Brainfuck Hello World actually work?
...memory looks like:
...[0][0][*97*][0][0]...
If you use dot (.) operator now, what BF does is print:
a
Because a decimal code in ASCII is 97.
So for example BF program like this (97 pluses 2 dots):
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++...
Java: notify() vs. notifyAll() all over again
...his is the accepted answer, it's not a question of personal pride. If you know you were wrong now, please edit your answer to say it, and point to e.g. xagyg pedagogic and correct answer below.
– Yann TM
May 5 '17 at 21:15
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Why doesn't ruby support method overloading?
...hod(a, b = true); end; # second argument has a default value
method(10)
# Now the method call can match the first one as well as the second one,
# so here is the problem.
So ruby needs to maintain one method in the method look up chain with a unique name.
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Error in finding last used cell in Excel with VBA
... It is highly unreliable. Try this experiment.
Type something in cell A5. Now when you calculate the last row with any of the methods given below, it will give you 5. Now color the cell A10 red. If you now use the any of the below code, you will still get 5. If you use Usedrange.Rows.Count what do ...
Installing PDO driver on MySQL Linux server
...php.ini file and it looks like pdo in enabled by default, i still need to know if i can use both pdo and mysql_*handlers...
– Yuri Scarbaci
Nov 14 '12 at 8:18
1
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
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NOTE: PyPy is more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typical...
Get property value from string using reflection
...null value of an existing property or no property at all? I'd much rather know immediately that I was sending in a bad property name. This is not production code, but a better improvement would be to throw a more specific exception (e.g. check for null on GetProperty and throw PropertyNotFoundExcept...