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Java URL encoding of query string parameters
...Str=uri.toASCIIString(); urlStr.replace("http://","file:///"); I have not tested it, but I think it will work.... :)
– M Abdul Sami
Apr 30 '15 at 20:14
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What is PECS (Producer Extends Consumer Super)?
...d when you both get and put.
Example in Java:
class Super {
Object testCoVariance(){ return null;} //Covariance of return types in the subtype.
void testContraVariance(Object parameter){} // Contravariance of method arguments in the subtype.
}
class Sub extends Super {
@Override
...
Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...s corrupted jar file. I got the same error but for Junit when running unit tests. Removing jar and downloading it again fix the issue.
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What is the difference between NaN and None?
...nswer the second question:
You should be using pd.isnull and pd.notnull to test for missing data (NaN).
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...iewcontroller and one managed by the searchviewcontroller and then I could test to see which is active and do the right thing. The documentation was helpful too:
http://developer.apple.com/library/ios/#documentation/uikit/reference/UISearchDisplayController_Class/Reference/Reference.html
Here's w...
iPhone Simulator - Simulate a slow connection?
...ou just upgraded to new version of macOS, make sure you install the very latest Network Conditioner (in Additional Tools for Xcode) or it may silently fail; that is, you will turn it on but it won’t throttle anything or drop any packets.
Update: As of Xcode 11, there may be an even simpler way to...
Python, compute list difference
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This is by far the best solution. Test case on lists with ~6000 strings each showed that this method was almost 100x faster than list comprehensions.
– perrygeo
Feb 1 '14 at 17:01
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Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
... 7007-7007/? E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.app.test PID: 7007
android.content.res.Resources$NotFoundException: String resource ID #0x7f0700fd
at android.content.res.Resources.getText(Resources.java:299)
at android.content.res.Resources.getString(Resources....
When to use nil, blank, empty? [duplicate]
...
I found a good explanation here:
nil? tests whether the object is
exactly nil, that is whether it is the
one and only want instance of
NilClass.
empty? is a method some objects
respond to. You need to check the
documentation for each case. For
ex...
Intelli J IDEA takes forever to update indices
...me directory that contains a large number of files. Often this is done for testing and the directory in question is not actually part of the project, e.g. ignored by the VCS.
The IDE does not automatically ignore those directories when indexing, but it is possible to "exclude" the directory from t...