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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...t seems that many projects slowly come upon a need to do matrix math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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jQuery parent of a parent
...ou might try
$(this).parents(':eq(1)');
The .parents(selector) says get all ancestors that match the selector
and the :eq(1) says find the oneth (zero-indexed, so the second) element in the list
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Select row with most recent date per user
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wow! not only did this work, i was allowed to create a view with this query even though it contains subqueries. before, when i tried to create a view containing subqueries, it didn't let me. are there rules as to why this is allowed but another one isn't?
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自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...configure 输出Makefile文件
2、make 输出二进制
3、make install 安装二进制到指定目录
make及make install的规则都需要参照Makefile文件，而Makefile是自动生成的，大家有兴趣可以查看下Makefile，代码很长很复杂。当然我们可以直接在Mak...
Moving project to another folder in Eclipse
I generally have my working projects sitting on folders on my Desktop. When they are completed I just move them to a c:\dev\ . The thing is I'm doing it in a rather archaic way.
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Can I arrange repositories into folders on Github?
I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stu...
How can I determine what font a browser is actually using to render some text?
...d which style is used, such as Regular, ExtraLight, Italic, BoldItalic and all.
For Chrome, go into DevTools' "Elements", go to its "Computed" tab, and scroll all the way down to the section called "Rendered Fonts". Unlike with Firefox, this only shows the base font name, not any specific style it ...
:active pseudo-class doesn't work in mobile safari
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Applied just once, as opposed to every button element seemed to fix all buttons on the page. Alternatively you could use this small JS library called 'Fastclick'. It speed up click events on touch devices and takes care of this issue too.
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knitr Markdown highlighting in Emacs?
...r the former you need polymode and for the latter markdown.el. Besides, if all you want is to just switch the ESS engine from Sweave to knitr (without highlighting!), there is no need to go through all the complication of this article, just add (setq ess-swv-processor 'knitr) in you init file.
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How to reset a form using jQuery with .reset() method
...igger('reset'); i have added profile_img_form named class on my form then called it. it does not reset my form and returning error message like Uncaught SyntaxError: Invalid regular expression: /(^|\.)bs\.(?:.*\.|)fileinput(\.|$)/: Kindly suggest what is issue. Thanks.
– Kamle...