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How to generate an openSSL key using a passphrase from the command line?
First - what happens if I don't give a passphrase? Is some sort of pseudo random phrase used? I'm just looking for something "good enough" to keep casual hackers at bay.
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Counting Chars in EditTem>x m>t Changed Listener
In my project I have an EditTem>x m>t . I want to count the characters in the EditTem>x m>t , and show that number it in a Tem>x m>tView . I have written the following code and it works fine. However, my problem is when I click Backspace it counts up, but I need to decrement the number. How can I consider Ba...
How can I add remote repositories in Mercurial?
I am working with Git repositories in the following way:
4 Answers
4
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How to completely remove borders from HTML table
My goal is to make an HTML page that is similar to a "photo frame". In other words, I want to make a blank page that is surrounded by 4 pictures.
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
In Java 8, how can I convert a Timestamp (in java.sql ) to a LocalDate (in java.time )?
3 Answers
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What does the (unary) * operator do in this Ruby code?
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The * is the splat operator.
It em>x m>pands an Array into a list of arguments, in this case a list of arguments to the Hash.[] method. (To be more precise, it em>x m>pands any object that responds to to_ary/to_a, or to_a in Ruby 1.9.)
To illustrate, the following two statements are equal:
method arg...
Difference between DirectCast() and CType() in VB.NET
I am an em>x m>perienced C/C++/C# programmer who has just gotten into VB.NET. I generally use CType (and CInt, CBool, CStr) for casts because it is fewer characters and was the first way of casting which I was em>x m>posed to, but I am aware of DirectCast and TryCast as well.
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What is the difference between Lisp-1 and Lisp-2?
...es to Clojure but I still do not understand properly. Can anyone enlighten me?
2 Answers
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Why java classes do not inherit annotations from implemented interfaces?
I've been using Guice's AOP to intercept some method calls. My class implements an interface and I would like to annotate the interface methods so Guice could select the right methods. Even if the annotation type is annotated with Inherited annotation implementing class doesn't inherit the annotat...
How to destroy an object?
...y there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of the comments from the PHP ...