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Why is 'this' a pointer and not a reference?
I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments.
2 Answers
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Is returning null bad design? [closed]
...ationale behind not returning null is that you do not have to check for it and hence your code does not need to follow a different path based on the return value. You might want to check out the Null Object Pattern which provides more information on this.
For example, if I were to define a method ...
How to prevent that the password to decrypt the private key has to be entered every time when using
...added: /c/Users/starmonkey/.ssh/id_dsa (/c/Users/starmonkey/.ssh/id_dsa)
And now I can ssh to other servers without logging in every time.
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What is “Linting”?
PHPLint , JSLint , and I recently came across "you can lint your JS code on the fly" while reading something about some IDE .
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Using async-await on .net 4
... lot from C# 5's async-await feature. But I'm not sure which version of VS and of the async runtime to use.
5 Answers
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How to hide the “back” button in UINavigationController?
...er use this:
[self.navigationItem setHidesBackButton:YES animated:YES];
And to restore it:
[self.navigationItem setHidesBackButton:NO animated:YES];
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[UPDATE]
Swift 3.0:
self.navigationItem.setHidesBackButton(true, animated:true)
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django import error - No module named core.management
... I see plenty of these errors around. I have tried everything I know to do and have yet to figure this out.
29 Answers
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How can I expand and collapse a using javascript?
...you've got two options here :
Use jQuery UI's accordion - its nice, easy and fast. See more info here
Or, if you still wanna do this by yourself, you could remove the fieldset (its not semantically right to use it for this anyway) and create a structure by yourself.
Here's how you do that. Creat...
Efficient way to insert a number into a sorted array of numbers?
I have a sorted JavaScript array, and want to insert one more item into the array such the resulting array remains sorted. I could certainly implement a simple quicksort-style insertion function:
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How to set up a git project to use an external repo submodule?
... project as a submodule.
Submodules are really, really easy to reference and use. Assuming you already have MyWebApp set up as a repo, from terminal issue these commands:
cd MyWebApp
git submodule add git://github.com/jquery/jquery.git externals/jquery
This will create a directory named externa...