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Pick a random element from an array
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@Berik Well you could return an optional Element and then always do a guard check to see if the array is empty and then return nil.
– Harish
Jul 28 '17 at 23:20
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What are the security risks of setting Access-Control-Allow-Origin?
...tors and process its response. If you have something implemented like an authentication or authorization scheme that is based on something that is automatically provided by the browser (cookies, cookie-based sessions, etc.), the requests triggered by the third party sites will use them too.
This in...
nuget 'packages' element is not declared warning
...D:\Program Files (x86)\Microsoft Visual Studio 10.0\Xml\Schemas for me).
Then, edit <packages> tag in packages.config file (add xmlns attribute):
<packages xmlns="urn:packages">
Now the warning should disappear (even if packages.config file is open in Visual Studio).
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Convert a negative number to a positive one in JavaScript
...sumption that the number will always be negative. If the use case is such, then its awesome. Otherwise, I'd advise caution.
– myusuf
Jul 11 '15 at 18:58
4
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How to pass an object from one activity to another on Android
...ould be letting your custom class implement the Serializable interface and then you can pass object instances in the intent extra using the putExtra(Serializable..) variant of the Intent#putExtra() method.
Pseudocode:
//To pass:
intent.putExtra("MyClass", obj);
// To retrieve object in second Act...
class
...hat's weirder still is that if you later reopen String to redefine inspect then a will still pick up the new changes.
– Old Pro
Apr 6 '13 at 16:57
1
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What is the difference between varchar and varchar2 in Oracle?
...rt is that Oracle doesn't have a proper VARCHAR like every other database, then? There's something stupid going on here, I'm sure of it ... :)
– Ian Varley
Jun 1 '10 at 17:48
11
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How to include js file in another js file? [duplicate]
... document.getElementsByTagName('head')[0].appendChild(...) technique), and then compare with the fixed version used document.writeln. (The code of the page is relatively dirty and is not from me, but it can be used to reproduce the issue).
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How to host a Node.Js application in shared hosting [closed]
...tions to install Node on a shared hosting
In short you first install NVM, then you install the Node version of your choice with NVM.
wget -qO- https://cdn.rawgit.com/creationix/nvm/master/install.sh | bash
Your restart your shell (close and reopen your sessions). Then you
nvm install stable
t...
How to nicely format floating numbers to String without unnecessary decimal 0?
...pecific number of trailing zeroes (e.g. if you are printing money amounts) then you can use '0' instead of '#' (i.e. new DecimalFormat("0.00").format(amount);) this isn't what OP wanted, but may be useful for reference.
– TJ Ellis
Oct 19 '11 at 19:31
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