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Is it safe to use -1 to set all bits to true?
I've seen this pattern used a lot in C &a<em>mem>p; C++.
20 Answers
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How to plot two histogra<em>mem>s together in R?
I a<em>mem> using R and I have two data fra<em>mem>es: carrots and cucu<em>mem>bers. Each data fra<em>mem>e has a single nu<em>mem>eric colu<em>mem>n which lists the length of all <em>mem>easured carrots (total: 100k carrots) and cucu<em>mem>bers (total: 50k cucu<em>mem>bers).
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What's the best way to iterate over two or <em>mem>ore containers si<em>mem>ultaneously
C++11 provides <em>mem>ultiple ways to iterate over containers. For exa<em>mem>ple:
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Go build: “Cannot find package” (even though GOPATH is set)
Even though I have GOPATH properly set, I still can't get "go build" or "go run" to find <em>mem>y own packages. What a<em>mem> I doing wrong?
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On logout, clear Activity history stack, preventing “back” button fro<em>mem> opening logged-in-only Activi
All activities in <em>mem>y application require a user to be logged-in to view. Users can log out fro<em>mem> al<em>mem>ost any activity. This is a require<em>mem>ent of the application. At any point if the user logs-out, I want to send the user to the Login Activity . At this point I want this activity to be at the botto<em>mem> of...
How to overco<em>mem>e root do<em>mem>ain CNA<em>Mem>E restrictions?
We are hosting <em>mem>any web applications for our custo<em>mem>ers. As is obvious they want to use their own do<em>mem>ains to refer to those applications, usually they want that any user that either type http://www.custo<em>mem>er1.exa<em>mem>ple or http://custo<em>mem>er1.exa<em>mem>ple goes to their web application.
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How to co<em>mem>pare arrays in JavaScript?
I'd like to co<em>mem>pare two arrays... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the co<em>mem>parison operator doesn't see<em>mem> to work.
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Was PreferenceFrag<em>mem>ent intentionally excluded fro<em>mem> the co<em>mem>patibility package?
I'<em>mem> looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated <em>mem>ethods (although these are used in the acco<em>mem>panying sa<em>mem>ple code), I looked at PreferenceFrage<em>mem>ent and the co<em>mem>patibility package to solve <em>mem>y woes.
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Why is se<em>mem>icolon allowed in this python snippet?
Python does not warrant the use of se<em>mem>icolons to end state<em>mem>ents.
So why is this (below) allowed?
15 Answers
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Checking for NULL pointer in C/C++ [closed]
In a recent code review, a contributor is trying to enforce that all NULL checks on pointers be perfor<em>mem>ed in the following <em>mem>anner:
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