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Rails: What's a good way to validate links (URLs)?
...lidURIError
false
end
Of course, there are tons of improvements you can apply to this method, including checking for a path or a scheme.
Last but not least, you can also package this code into a validator:
class HttpUrlValidator < ActiveModel::EachValidator
def self.compliant?(value)
ur...
How to create a GUID/UUID using iOS
... your iPhone.
EDIT: -[UIDevice uniqueIdentifier] is now deprecated and apps are being rejected from the App Store for using it. The method below is now the preferred approach.
If you need to create several UUID, just use this method (with ARC):
+ (NSString *)GetUUID
{
CFUUIDRef theUUID = CF...
Can I avoid the native fullscreen video player with HTML5 on iPhone or android?
I've built a web app that uses the HTML5 tag and JavaScript code that renders other content synchronized with the running video. It works great in desktop browsers: Firefox, Chrome, and Safari. On an iPhone or a DroidX, the native video player pops up and takes over the screen, thus obscuring the o...
Azure Blob Storage vs. File Service [closed]
Please correct my wrongs. From my reading on the topic so far, it appears to me that both, Azure Blob Storage and File Service offer the ability to store file(s) and folder(s) (I understand that blobs can store any binary object, but any serialized binary stream is just a file at the end of the day)...
How to handle a lost KeyStore password in Android?
...do anymore (I can't or won't give any excuses for it). I want to update my app because I just fixed a bug but it's not possible anymore. What happens if I use the same Keystore but create a new key? Would I still be able to update the app and if it's not possible, how can I go about giving informati...
C# getting the path of %AppData%
...
To get the AppData directory, it's best to use the GetFolderPath method:
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)
(must add using System if not present).
%AppData% is an environment variable, and they are...
How to create a directory using nerdtree
...package) into the .vim dir ,or when you press 'm' there would be an error happen. Thanks for Housetier's answer
– guosheng1987
Jul 27 '12 at 3:08
1
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WhatsApp API (java/python) [closed]
I am looking for WhatsApp API, preferably a Python or Java library.
5 Answers
5
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Programmatically create a UIView with color gradient
...sing AutoLayout, I also had to call gradient.frame = view.bounds in viewDidAppear() and in didRotateFromInterfaceOrientation() or else the gradient wouldn't be sized properly.
– EricRobertBrewer
Aug 25 '16 at 0:06
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iphone: Where the .dSYM file is located in crash report
According to this page here if you have proper application binary and .dSYM file then it is easy to symbolic them. But where are .dSYM and application binary files located?
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