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How to enumerate a range of numbers starting at 1
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184
As you already mentioned, this is straightforward to do in Python 2.6 or newer:
enumerate(range...
How can I multiply all items in a list together with Python?
...takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
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How to create SBT project with IntelliJ Idea?
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IntelliJ IDEA has become so much better these days. The current version (14.0.2) supports sbt projects out of the box with the Scala plugin. Just install the plugin and you should be able to open up Scala/sbt projects without any troubles.
With the plugin, just point at a sbt project and IDEA is...
How to automatically generate a stacktrace when my program crashes
...s gets you this output:
$ ./test
Error: signal 11:
./test(handler+0x19)[0x400911]
/lib64/tls/libc.so.6[0x3a9b92e380]
./test(baz+0x14)[0x400962]
./test(bar+0xe)[0x400983]
./test(foo+0xe)[0x400993]
./test(main+0x28)[0x4009bd]
/lib64/tls/libc.so.6(__libc_start_main+0xdb)[0x3a9b91c4bb]
./test[0x40086a]...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
Will Visual Studio 2012 interfere/break .NET 4 and/or Visual Studio 2010 if installed side-by-side on the same instance of Windows?
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Remove insignificant trailing zeros from a number?
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143
If you convert it to a string it will not display any trailing zeros, which aren't stored in th...
What is the ideal data type to use when storing latitude / longitude in a MySQL database?
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Kirk StrauserKirk Strauser
26.4k55 gold badges4444 silver badges6161 bronze badges
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Getting random numbers in Java [duplicate]
...util.Random;
Random rand = new Random();
// Obtain a number between [0 - 49].
int n = rand.nextInt(50);
// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;
Another solution is using Math.random():
double random = Math.random() * 49 + 1;
or
int random ...
How to find the kth smallest element in the union of two sorted arrays?
...g k), which is O(log N + log M).
Pseudo-code:
i = k/2
j = k - i
step = k/4
while step > 0
if a[i-1] > b[j-1]
i -= step
j += step
else
i += step
j -= step
step /= 2
if a[i-1] > b[j-1]
return a[i-1]
else
return b[j-1]
For the demonstrat...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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164
I was just wrestling with a similar problem myself, but didn't want the overhead of a function. ...