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How to convert hex to rgb using Java?
...cter case each value must be * 255 / 16. I tested this with "000", "aaa", and "fff", and they all work properly now.
– Andrew
Apr 14 '16 at 16:04
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What does PermGen actually stand for?
...n specific.
Briefly, it contains the Java objects associated with classes and interned strings. In Sun's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the ...
How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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Jump to editor shortcut in Intellij IDEA
...how hard I had to look for that information :)
– Alexander Torstling
May 3 '12 at 6:43
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Hi! Tha...
ImportError: numpy.core.multiarray failed to import
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I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0:
pip install -U numpy
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
... Attribute）、变量属性（Variable Attribute）和类型属性（Type Attribute）。
__attribute__书写特征是：__attribute__前后都有两个下划线，并切后面会紧跟一对原括弧，括弧里面是相应的__attribute__参数。
__attribute__语法格式为：
__attribute...
How to add Git's branch name to the commit message?
...k on each repository you wish to use it. Though, you can commit the script and copy it on all clones into the .git/hooks/ directory.
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Add line break to ::after or ::before pseudo-element content
I do not have access to the HTML or PHP for a page and can only edit via CSS. I've been doing modifications on a site and adding text via the ::after or ::before pseudo-elements and have found that escape Unicode should be used for things such as a space before or after the added content.
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How to limit depth for recursive file list?
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I use -print0 and xargs -0 a lot. Example: find . -maxdepth 1 -type d -print0 | xargs -0 ls -d
– Chris K
Mar 16 '14 at 21:53
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Django filter queryset __in for *every* item in list
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Summary:
One option is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be short...