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When does a process get SIGABRT (signal 6)?

...ts a SIGABRT in C++? Does this signal always come from within the process or can this signal be sent from one process to another? ...
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Checking if a string can be converted to float in Python

...hon code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy ...
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angular.service vs angular.factory

I have seen both angular.factory() and angular.service() used to declare services; however, I cannot find angular.service anywhere in official documentation. ...
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How to debug Ruby scripts [closed]

...llowing Ruby code from the Internet and made a few changes but it doesn't work. 17 Answers ...
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When to use std::begin and std::end instead of container specific versions [duplicate]

Are there any general preferences or rules that explain when container specific versions of begin and end should be used instead of free functions std::begin and std::end ? ...
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What is a deadlock?

... the same resource at the same time. One process loses out and must wait for the other to finish. A deadlock occurs when the waiting process is still holding on to another resource that the first needs before it can finish. So, an example: Resource A and resource B are used by process X and proc...
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ArrayList vs List in C#

... Yes, pretty much. List<T> is a generic class. It supports storing values of a specific type without casting to or from object (which would have incurred boxing/unboxing overhead when T is a value type in the ArrayList case). ArrayList simply stores object references. As a gener...
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Predicate Delegates in C#

... A predicate is a function that returns true or false. A predicate delegate is a reference to a predicate. So basically a predicate delegate is a reference to a function that returns true or false. Predicates are very useful for filtering a list of values - here is a...
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Checking for a dirty index or untracked files with Git

How can I check if I have any uncommitted changes in my git repository: 14 Answers 14 ...
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iOS Detect 3G or WiFi

...has provided here Reachability *reachability = [Reachability reachabilityForInternetConnection]; [reachability startNotifier]; NetworkStatus status = [reachability currentReachabilityStatus]; if(status == NotReachable) { //No internet } else if (status == ReachableViaWiFi) { //WiFi } els...