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Can I use GDB to debug a running process?
...tack).
The command may take as argument a process id, a process name
(with an optional process-id as a suffix), or a device file.
For a process id, you must have permission to send the process a signal,
and it must have the same effective uid as the debugger.
When using "attach" to an exis...
kill -3 to get java thread dump
...
You could alternatively use jstack (Included with JDK) to take a thread dump and write the output wherever you want. Is that not available in a unix environment?
jstack PID > outfile
share
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Ignoring new fields on JSON objects using Jackson [duplicate]
...nd have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be ignored.
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Which HTML5 tag should I use to mark up an author’s name?
... <link> <a>, and <area> elements. Google also recommends its usage. Combining use of <address> and rel="author" seems optimal. HTML5 best affords wrapping <article> headlines and bylines info in a <header> like so:
<article>
<header>
<h...
How to solve Permission denied (publickey) error when using Git?
I'm on Mac Snow Leopard and I just installed git .
45 Answers
45
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String Concatenation using '+' operator
...ass metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
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Is there a way to detach matplotlib plots so that the computation can continue?
After these instructions in the Python interpreter one gets a window with a plot:
19 Answers
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In a django model custom save() method, how should you identify a new object?
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Updated: With the clarification that self._state is not a private instance variable, but named that way to avoid conflicts, checking self._state.adding is now the preferable way to check.
self.pk is None:
returns True within a new...
Which maven dependencies to include for spring 3.0?
I am trying to do my first project with Spring 3.0 (and maven). I have been using Spring 2.5 (and primer versions) in quite some projects. Nevertheless I am kinda confused, what modules I have to define as dependencies in my pom.xml. I just want to use the core container functions (beans, core, cont...
How to override equals method in Java
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//Written by K@stackoverflow
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
ArrayList<Person&...