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What are OLTP and OLAP. What is the difference between them?
Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it.
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Sometimes adding a WCF Service Reference generates an empty reference.cs
Sometimes adding a WCF Service Reference generates an empty reference.cs and I cannot reference the service anywhere in the project.
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Difference between a View's Padding and Margin
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To help me remember the meaning of padding, I think of a big coat with lots of thick cotton padding. I'm inside my coat, but me and my padded coat are together. We're a unit.
But to remember margin, I think of, "Hey, give me some ma...
How to print a number with commas as thousands separators in JavaScript
...idea from Kerry's answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I did:
function numberWithCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
function numberWithCommas(x) {
return x.toString().replac...
Applying .gitignore to committed files
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It asked me to add flag -r to be able to do so.
– JS dev
Apr 9 '18 at 6:01
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How do I switch between the header and implementation file in Xcode 4?
How do I switch between the header and implementation file in Xcode 4?
7 Answers
7
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Am I immoral for using a variable name that differs from its type only by case?
...at is the reasoning of those telling you this is bad? I do this all the time. It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like
fastPerson
slowPerson
otherwise just
person
is ...
Android SDK manager won't open
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Make sure your java\bin directory is in your path statement before the windows\system32 directory.
The SDK Manager uses java and it was finding the one in the system32 folder.
In a CMD window, you can run 'where java'.
Don't forget to restart your CMD after changing the path v...
The shortest possible output from git log containing author and date
...36490 jesper Wed Nov 26 05:41:37 2008 +0000 Cleanup after [942]: Using timezon
ae62afd tobias Tue Nov 25 21:42:55 2008 +0000 Fixed #67 by adding time zone supp
164be7e mads Tue Nov 25 19:56:43 2008 +0000 fixed tests, and a 'unending appoi
93f1526 jesper Tue Nov 25 09:45:56 2008 +0000 ...
What underlies this JavaScript idiom: var self = this?
...ly matter. var that = this; is fine, but there's nothing magic about the name.
Functions declared inside a context (e.g. callbacks, closures) will have access to the variables/function declared in the same scope or above.
For example, a simple event callback:
function MyConstructor(optio...