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trying to animate a constraint in swift
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Can someone explain how/why this works? Calling animationWithDuration on any UIView will animate any class that inherits from UIView and changes a physical value?
– nipponese
Mar 7 '16 at 0:53
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How can I find out the current route in Rails?
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You could also call request.env['ORIGINAL_FULLPATH'] to include the possible parameters in the path, see my answer below.
– DuArme
Feb 18 '13 at 16:46
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Sort NSArray of date strings or objects
... sortUsingComparator:] (10.6+) and pass a block that returns the result of calling -compare: on the two fields. It would probably be faster than calling -valueForKey: on each object. You could even use -sortWithOptions:usingComparator: and pass options to sort concurrently as well.
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Best practice to run Linux service as a different user
Services default to starting as root at boot time on my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d .
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Design patterns or best practices for shell scripts [closed]
...ero if completes successfully, non-zero if something went wrong.
Function calls
You can call functions in bash, just remember to define them before the call. Functions are like scripts, they can only return numeric values. This means that you have to invent a different strategy to return string va...
jQuery .val change doesn't change input value
...ct same problem. Bloody annoying! This answer should be the first point of call for any jQuery newbies looking to update form elements dynamically. Would have saved me a good few hours if I'd read this first!
– Grant
Feb 4 '16 at 23:51
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How do I get the web page contents from a WebView?
...nk I found the answer in this post on lexandera.com. The code below is basically a cut-and-paste from the site. It seems to do the trick.
final Context myApp = this;
/* An instance of this class will be registered as a JavaScript interface */
class MyJavaScriptInterface
{
@JavascriptInterface
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Convert a list of data frames into one data frame
...This is a little slower than the original:
> system.time({ df <- do.call("rbind", listOfDataFrames) })
user system elapsed
0.25 0.00 0.25
> system.time({ df2 <- ldply(listOfDataFrames, data.frame) })
user system elapsed
0.30 0.00 0.29
> identical(df, df2)...
How to prevent buttons from submitting forms
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"Let's call it <button>." "Great! What should it's default behavior be..." "Not a button?" "Ship it."
– colllin
Aug 18 at 19:54
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Is there a unique Android device ID?
...ermission.READ_PHONE_STATE)
Most users hate the fact that it says "Phone Calls" in the permission. Some users give bad ratings, because they believe you are simply stealing their personal information when all you really want to do is track device installs. It is obvious that you are collecting dat...