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Retain precision with double in Java
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ViralShah: It also potentially introduces floating-point error when dealing with mathematical operations. Given that the point of this exercise is to avoid exactly that, it seems prudent to alter it.
– Samir Talwar
Mar 18 '10 at 9:00
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Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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Is it possible to implement a Python for range loop without an iterator variable?
...ou can just live with the extra i variable.
Here is the option to use the _ variable, which in reality, is just another variable.
for _ in range(n):
do_something()
Note that _ is assigned the last result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
F...
What is the difference between LL and LR parsing?
Can anyone give me a simple example of LL parsing versus LR parsing?
5 Answers
5
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Associating enums with strings in C#
...get { return new LogCategory("Warning"); } }
public static LogCategory Error { get { return new LogCategory("Error"); } }
}
Pass in type-safe string values as a parameter:
public static void Write(string message, LogCategory logCategory)
{
var log = new LogEntry { Message = message };
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How do I delete a Git branch with TortoiseGit
... that you cannot delete the branch you are currently on (this will give an error). Also if the branch you want to delete is not visible in the "Browse references" dialog it may have been created recently, do a pull before. And finally there is a direct way to get to "Browse references". See other an...
How do I change Bootstrap 3 column order on mobile layout?
I'm making a responsive layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this
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How can I use Server.MapPath() from global.asax?
... the request object, the response object. Very useful when you want to log errors, for example
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What does the restrict keyword mean in C++?
...h the time.
Edit
I also found that IBM's AIX C/C++ compiler supports the __restrict__ keyword.
g++ also seems to support this as the following program compiles cleanly on g++:
#include <stdio.h>
int foo(int * __restrict__ a, int * __restrict__ b) {
return *a + *b;
}
int main(void) {
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How can I handle time zones in my webapp?
...s ambiguously used. This looks like a reference: en.wikipedia.org/wiki/Tz_database From what I can tell a "timezone" is "Area/Location", e.g. "America/New_York". That appears to be geographic which is great because for instance America/Los_Angeles means BOTH PST and PDT depending on whether the ...