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How do you crash a JVM?
I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory.
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Post data to JsonP
Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request?
7 Answers
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Coding Conventions - Naming Enums
...nstants and should follow the conventions for constants. So
enum Fruit {APPLE, ORANGE, BANANA, PEAR};
There is no reason for writing FruitEnum any more than FruitClass. You are just wasting four (or five) characters that add no information.
Java itself recommends this approach and it is used in...
Is there a “do … while” loop in Ruby?
I'm using this code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name):
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Simple Vim commands you wish you'd known earlier [closed]
... use CtrlC instead of Esc to switch out of insert mode. That's been a real productivity boost for me.
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How to set timer in android?
Can someone give a simple example of updating a textfield every second or so?
21 Answers
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Difference between \n and \r?
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In terms of ascii code, it's 3 -- since they're 10 and 13 respectively;-).
But seriously, there are many:
in Unix and all Unix-like systems, \n is the code for end-of-line, \r means nothing special
as a consequence, in C and most languages that somehow copy it (even remotely), \n is...
PHP Pass variable to next page
It seems pretty simple but I can't find a good way to do it.
8 Answers
8
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How to parse JSON in Java
I have the following JSON text. How can I parse it to get the values of pageName , pagePic , post_id , etc.?
34 Answers
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Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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