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How to solve javax.net.ssl.SSLHandshakeException Error?

...should be able to tell you exactly what to do for your specific browser.) Now that you have the certificate saved in a file, you need to add it to your JVM's trust store. At $JAVA_HOME/jre/lib/security/ for JREs or $JAVA_HOME/lib/security for JDKs, there's a file named cacerts, which comes with Jav...
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Summarizing multiple columns with dplyr? [duplicate]

...x. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R. ...
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How to change height of grouped UITableView header?

...auses UITableView to use a default value. This is undocumented behavior. If you return a very small number, you effectively get a zero-height header. Swift 3: func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat { if section == 0 { ...
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Function for Factorial in Python

...l (available in Python 2.6 and above): import math math.factorial(1000) If you want/have to write it yourself, you can use an iterative approach: def factorial(n): fact = 1 for num in range(2, n + 1): fact *= num return fact or a recursive approach: def factorial(n): i...
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How to automatically generate getters and setters in Android Studio

...on ALT+Insert on keyboard placing cursor down to variable declaration part now select constructor and press Ctrl+A on keyboard and click on Enter to create constructor. Now again placing cursor at next line of constructor closing brace , click ALT+INSERT and select getter and setter and again press ...
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Why can I not push_back a unique_ptr into a vector?

...correct. You cannot use it to manage a pointer to a local variable. The lifetime of a local variable is managed automatically: local variables are destroyed when the block ends (e.g., when the function returns, in this case). You need to dynamically allocate the object: std::unique_ptr<int&g...
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When should I use perror(“…”) and fprintf(stderr, “…”)?

... @R.., ha, I already have, and as far as I know they are not paying me a thing. And since MS seems to be cutting their support for C completely, at the end I will be the only one :) strerror_s is actually not too bad as an interface. – Jens Gusted...
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Include jQuery in the JavaScript Console

...xample, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery. 20 Answers ...
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Passing an integer by reference in Python

...ide your function you have an object -- You're free to mutate that object (if possible). However, integers are immutable. One workaround is to pass the integer in a container which can be mutated: def change(x): x[0] = 3 x = [1] change(x) print x This is ugly/clumsy at best, but you're not g...
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Get path of executable

...os.html to select the method is straightforward. – Clifford Oct 7 '09 at 15:02 5 So is this what ...