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How to convert a currency string to a double with jQuery or Javascript?
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Also keep in mind that some accounting apps wrap numbers in parentheses to denote negative values. e.g.: ($5.00) = -$5.00
– Dave L
Nov 6 '15 at 20:20
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How do I install an R package from source?
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worth noting that because repos = NULL this approach will not install dependencies e.g. from CRAN. this answer suggests devtools::install_local(path_to_file) which to me is simpler (fewer arguments to supply) and better (installs dependencies too).
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Fat models and skinny controllers sounds like creating God models [closed]
...ding a lot of blogs which advocate the fat models and skinny controllers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and then bring up t...
How can I use “puts” to the console without a line break in ruby on rails?
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You need to use print instead of puts. Also, if you want the dots to appear smoothly, you need to flush the stdout buffer after each print...
def print_and_flush(str)
print str
$stdout.flush
end
100.times do
print_and_flush "."
sleep 1
end
Edit: I was just looking into the reasonin...
Is an HTTPS query string secure?
...ch is not a good place to store e.g. password data in. Of course this only applies if you take the broader "Webservice" definition that might access the service from a browser, if you access it only from your custom application this should not be a problem.
So using post at least for password dialo...
Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
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I have build such kind of application using approximatively the same approach except :
I cache the generated image on the disk and always generate two to three images in advance in a separate thread.
I don't overlay with a UIImage but instead draw t...
How to create a HTTP server in Android? [closed]
...thod. You also need to stop and resume this thread as needed. The simplest approach seems to kill the waiting thread by closing the ServerSocket.
If you only need a server while your activity is on the top, starting and stopping ServerSocket thread can be rather elegantly tied to the activity life c...
Html table tr inside td
...en I put tr s in td, infact I've put many tr s inside some td s because my app renders arrays of objects within some properties, and it works across all browsers, (don't know about IE, as I did not test it in IE), anyone interested can check it out - stackblitz.com/edit/angular-u7aman , Note: it is ...
Require returns an empty object
...plex cases (ie with more files). Once installed you could use madge -c <app entry point> to detect any circular dependencies.
– schu34
Mar 21 '18 at 14:38
7
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How do I save a UIImage to a file?
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Of course you can create subfolders in the documents folder of your app. You use NSFileManager to do that.
You use UIImagePNGRepresentation to convert your image to NSData and save that to disk.
// Create path.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUser...