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Database cluster and load balancing
... be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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JavaScript DOM remove element
I'm trying to test if a DOM element exists, and if it does exist delete it, and if it doesn't exist create it.
5 Answers
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What is the fastest integer division supporting division by zero no matter what the result is?
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Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
int f (int x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl...
How can I check if multiplying two numbers in Java will cause an overflow?
I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:
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Git: Cannot see new remote branch
A colleague pushed a new remote branch to origin/dev/homepage and I cannot see it when I run:
9 Answers
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How to add one day to a date? [duplicate]
...boundaries. Make sure you are calling getTime() on your Calendar instance, and not get(...). Also note that months are from 0-11, but days are from 1-31.
– Daniel Rikowski
Jan 30 '18 at 10:37
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Measuring the distance between two coordinates in PHP
... have the need to calculate the distance between two points having the lat and long.
12 Answers
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Getting multiple keys of specified value of a generic Dictionary?
...tionary? Not that it is important or anything, just curious to if I understand things correctly here...
– Svish
Aug 4 '09 at 14:14
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How can you find the unused NuGet packages in a solution?
...2016.1 has a feature to remove unused NuGet.
It can be run on a solution and on each project in a solution and it does the following things:
Analyze your code and collecting references to assemblies.
Build NuGet usage graph based on usages of assemblies.
Packages without content files, unused it...
How to comment out a block of Python code in Vim
...rst column of the first line you want to comment.
Step 2: Press: Ctrl+v and select the lines you want to comment:
Step 3: Shift-I#space (Enter Insert-at-left mode, type chars to insert. The selection will disappear, but all lines within it will be modified after Step 4.)
Step 4: Esc
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