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ADB Android Device Unauthorized

Since I reinstalled Eclipse (simply deleted and downloaded it again) I can't debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fine before reinstallation. ...
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What is the difference between a generative and a discriminative algorithm?

...|x) - which you should read as "the probability of y given x". Here's a really simple example. Suppose you have the following data in the form (x,y): (1,0), (1,0), (2,0), (2, 1) p(x,y) is y=0 y=1 ----------- x=1 | 1/2 0 x=2 | 1/4 1/4 p(y|x) is y=0 y=1 -----------...
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Why should the “PIMPL” idiom be used? [duplicate]

...() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration. Because you then don't mix responsibilities: one class implements, one class forwards. share...
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filtering NSArray into a new NSArray in Objective-C

... edited Jan 17 '18 at 6:45 Niall Kiddle 1,22911 gold badge1010 silver badges2929 bronze badges answered Sep 21 '08 at 5:43 ...
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How does '20 seconds' work in Scala?

... There are a few things going on. First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*. Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches ...
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Why are Perl 5's function prototypes bad?

...nd to expect prototypes to provide a mechanism for checking that function calls are correct: that is, that they have the right number and type of arguments. Perl's prototypes are not well-suited for this task. It's the misuse that's bad. Perl's prototypes have a singular and very different purpose: ...
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How do I sort an array of hashes by a value in the hash?

... Actually, Array#sort_by! is new in Ruby 1.9.2. Available today to all Ruby version by requiring my backports gem too :-) – Marc-André Lafortune Jul 1 '10 at 4:19 ...
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Vim: Creating parent directories on save

...ries for files like ftp://* and !isdirectory will prevent expensive mkdir call. Update: sligtly better solution that also checks for non-empty buftype and uses mkdir(): function s:MkNonExDir(file, buf) if empty(getbufvar(a:buf, '&buftype')) && a:file!~#'\v^\w+\:\/' let dir=...
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Long press gesture on UICollectionViewCell

...ILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)]; lpgr.delegate = self; lpgr.delaysTouchesBegan = YES; [self.collectionView addGestureRecognizer:lpgr]; } -(void)handleLongPress:...
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How do I check CPU and Memory Usage in Java?

... If you are looking specifically for memory in JVM: Runtime runtime = Runtime.getRuntime(); NumberFormat format = NumberFormat.getInstance(); StringBuilder sb = new StringBuilder(); long maxMemory = runtime.maxMemory(); long allocatedMemory = runtime...