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Declaration/definition of variables locations in ObjectiveC?
...one could be declaring and defining variables. On one hand we have the traditional C approach, on the other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where I'd want to use these locations for my variables an...
JavaScript window resize event
...follow
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edited Feb 1 '14 at 21:14
informatik01
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Set up Heroku and GoDaddy? [closed]
I am trying to get a domain name I bought through GoDaddy to work with my Heroku hosted site.
4 Answers
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Get all directories within directory nodejs
...name)).filter(isDirectory)
Update for Node 10.10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dirent.i...
How can I clear event subscriptions in C#?
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From within the class, you can set the (hidden) variable to null. A null reference is the canonical way of representing an empty invocation list, effectively.
From outside the class, you can't do this - events basically expose "su...
Github Windows 'Failed to sync this branch'
I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error
17 Answers
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Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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Signed versus Unsigned Integers
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Unsigned can hold a larger positive value, and no negative value.
Yes.
Unsigned uses the leading bit as a part of the value, while the signed version uses the left-most-bit to identify if the number is positive or negative.
There are different w...
Opacity of div's background without affecting contained element in IE 8?
I want to set Opacity of div's background without affecting contained element in IE 8. have a any solution and don't answer to set 1 X 1 .png image and set opacity of that image because I am using dynamic opacity and color admin can change that
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Can an int be null in Java?
...// getA returns a null Integer
will give you a NullPointerException, despite object not being null!
To follow up on your question, if you want to indicate the absence of a value, I would investigate java.util.Optional<Integer>
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