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What is the Swift equivalent of respondsToSelector?
...is inherently a safe language so everytime you call a method Swift has to know the method is there. No runtime checking is possible. You can't just call random methods on random objects.
Even in Obj-C you should avoid such things when possible because it doesn't play well with ARC (ARC then trigger...
Auto detect mobile browser (via user-agent?) [closed]
... User-Agent header will do the trick.
There are some lists out there of known mobile user agents so you don't need to start from scratch. What I did when I had to is to build a database of known user agents and store unknowns as they are detected for revision and then manually figure out what they...
Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
...2localhost.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler
Now the full stacktrace appears in the IntelliJ output:
Dec 27, 2011 12:02:45 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter filterChainProxy
org.springframework.beans.factory.No...
“Debug certificate expired” error in Eclipse Android plugins
...
There is now a bug tracker issue requesting this to be fixed. Please vote for it. code.google.com/p/android/issues/detail?id=15370
– Manfred Moser
Mar 9 '11 at 19:52
...
How do you know a variable type in java?
... would work if the types aren't primitives... If the type is int , how to know the type?
– Miguel Ribeiro
Apr 20 '10 at 11:32
5
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Any way to break if statement in PHP?
...t an elseif on each failed test. This is exactly what I was searching for, now my code is KISS and DRY compliant :) Thanks!
– s3v3n
Jul 24 '12 at 15:26
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JAX-RS — How to return JSON and HTTP status code together?
...u provide an interface returning a Response to a third party, he does not know what type are you really returning. Spring makes it more clear with an annotation, very useful if you always return a status code (i.e. HTTP 204)
– Guido
Nov 14 '12 at 16:48
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Parsing query strings on Android
...() worked, but was deprecated in L, and removed in M.
So the best answer now is UrlQuerySanitizer. This has existed since API level 1 and still exists. It also makes you think about the tricky issues like how do you handle special characters, or repeated values.
The simplest code is
UrlQuerySan...
Print content of JavaScript object? [duplicate]
... (var p in o) {
out += p + ': ' + o[p] + '\n';
}
alert(out);
}
// now test it:
var myObject = {'something': 1, 'other thing': 2};
printObject(myObject);
Using a DOM inspection tool is preferable because it allows you to dig under the properties that are objects themselves. Firefox has Fir...
Printing the last column of a line in a file
...e column may not appear in the window that raw tail gives you. Unless you know it is going to appear with a certain frequency, it would be safer to awk '/A1/ {print $NF}' file | tail -n1.
– Mitchell Tracy
Feb 8 '19 at 16:28
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