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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
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Compatibility Guide for JDK 8 says that in Java 8 the command line flag MaxPermSize has been removed. The reason is that the permanent generation was removed from the hotspot heap and was moved to native memory.
So in order to remove this message
edit MAVEN_OPTS Environment User Var...
How can I make setuptools install a package that's not on PyPI?
I've just started working with setuptools and virtualenv. My package requires the latest python-gearman that is only available from GitHub. The python-gearman version that's on PyPI is an old one. The Github source is setuptools-compatible, i.e. has setup.py, etc. Is there a way to make setuptools d...
jquery $(window).width() and $(window).height() return different values when viewport has not been r
I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size.
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What's the difference between EscapeUriString and EscapeDataString?
...apeDataString for a URI parameter. I tested with the string "I heart C++" and EscapeUriString did not encode the "+" characters, it just left them as is, EscapeDataString correctly converted them to "%2B".
– BrainSlugs83
Nov 10 '13 at 3:42
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How to remove outliers from a dataset
...y vs ages. The ages range from 20-40 at intervals of 2 (20, 22, 24....40), and for each record of data, they are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are some outliers plotted outside the whiskers...
Aliases in Windows command prompt
...ith the following steps,
Create a .bat or .cmd file with your DOSKEY commands.
Run regedit and go to HKEY_CURRENT_USER\Software\Microsoft\Command Processor
Add String Value entry with the name AutoRun and the full path of your .bat/.cmd file.
For example, %USERPROFILE%\alias.cmd, replacing the i...
Days between two dates? [duplicate]
...u’ve literally got two date objects, you can subtract one from the other and query the resulting timedelta object for the number of days:
>>> from datetime import date
>>> a = date(2011,11,24)
>>> b = date(2011,11,17)
>>> a-b
datetime.timedelta(7)
>>> ...
Why should I use an IDE? [closed]
...w "why" they should use one...". As someone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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Can I pass parameters by reference in Java?
...itself which is passed by value, hence it appears to be pass-by-reference (and people often claim that it is). This is not the case, as shown by the following:
Object o = "Hello";
mutate(o)
System.out.println(o);
private void mutate(Object o) { o = "Goodbye"; } //NOT THE SAME o!
Will print Hello...
How can I implode an array while skipping empty array items?
...k if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function.
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