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MySQL vs MongoDB 1000 reads
I have been very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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How to get distinct values from an array of objects in JavaScript?
...at the end, but JS has no such luxury. Instead, try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
flags[array[i].age] = true;
output.push(array[i].age);
}
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Take a full page screenshot with Firefox on the command-line
...⌘ Command+K on macOS)
type :screenshot or :screenshot --fullpage
Find out more regarding screenshots and other features
For Firefox versions < 60:
Press Shift+F2 or go to Tools > Web Developer > Developer Toolbar to open a command line. Write:
screenshot
and press Enter in orde...
Running script upon login mac [closed]
I am wondering if anyone is able to help me out with getting a .sh file to run when I log in to my account on my computer. I am running Mac OS X 10.6.7.
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What is the standard naming convention for html/css ids and classes?
...ts when browser testing.
OOCSS and BEM are just some of the CSS standards out there. Pick one that works for you - they're all full of compromises because CSS just isn't that good.
Update 2020
A boring update this year. I'm still using BEM. My position hasn't really changed from the 2019 update f...
Make div stay at bottom of page's content all the time even when there are scrollbars
...s is a good solution and it all depends what you want. I was just pointing out why one solution was more complicated than the other -> they don't do the same thing.
– My Head Hurts
Nov 27 '12 at 7:35
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How can I clear or empty a StringBuilder? [duplicate]
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@Sulthan: Oh, late with this answer: I was thinking about StringBuffer.delete(idx, len). On the other hand, doing a setLength requires it to iterate the entire buffer and null each character (e.g. kickjava.com/src/java/lang/AbstractStringBuilder.java.htm). Depending on the size ...
Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
...ing both min and max versions in allowedVersions should allow updating without risking a switch to the 2.x version. By the way, the right parenthesis looks strange, but is correct - it means 'less than version 2'.)
share
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Passing additional variables from command line to make
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You have several options to set up variables from outside your makefile:
From environment - each environment variable is transformed into a makefile variable with the same name and value.
You may also want to set -e option (aka --environments-override) on, and your enviro...
Where do I use delegates? [closed]
... that defines a particular kind of method. Just as a class definition lays out all the members for the given kind of object it defines, the delegate lays out the method signature for the kind of method it defines.
Based on this statement, a delegate is a function pointer and it defines what that f...