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kill -3 to get java thread dump
...ng kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
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Cooler ASCII Spinners? [closed]
In a console app, an ascii spinner can be used, like the GUI wait cursor, to indicate that work is being done. A common spinner cycles through these 4 characters: '|', '/', '-', '\'
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Use CSS to automatically add 'required field' asterisk to form inputs
...ld be achieved by using a background image of a picture of an asterisk and setting the background of the label/input/the outer div and a padding of the size of the asterisk image.
Something like this:
.required input {
padding-right: 25px;
background-image: url(...);
background-position:...
How to do exponentiation in clojure?
How can I do exponentiation in clojure?
For now I'm only needing integer exponentiation, but the question goes for fractions too.
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What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
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Difference between \A \z and ^ $ in Ruby regular expressions
... editor after snippets, if snippets enabled
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Invalid date format specification in gemspec
...s.
If you really know what you are doing, you can still update rubygems by setting the REALLY_GEM_UPDATE_SYSTEM environment variable, but please remember that this is completely unsupported by Debian.
However I was finally able to update rubygems to 1.8.15 by issuing:
sudo gem install rubygems-up...
R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
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PHP, get file name without file extension
..."/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
You have to know the extension to remove it in advance though.
However, since your question suggests you have the need for getting the extensio...
C++ convert hex string to signed integer
...ed one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.
Boost has some stuff to do this as well, which has some nice error checking capabilities as well. You can use it like this:
try {
unsigned int x = lexical_cast<i...