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What's the difference between the atomic and nonatomic attributes?
...cks Another fun one; on certain architectures (Can't remember which one), 64 bit values passed as an argument might be passed half in a register and half on the stack. atomic prevents cross-thread half-value reads. (That was a fun bug to track down.)
– bbum
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How to prevent favicon.ico requests?
...sers. I tested Safari, Chrome and Firefox:
<link rel="icon" href="data:;base64,=">
I left out the "shortcut" name from the "rel" attribute value since that's only for older IE and versions of IE < 8 doesn't like dataURIs either. Not tested on IE8.
UPDATE 2:
If you need your document to val...
TypeError: Missing 1 required positional argument: 'self'
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64
You need to initialize it first:
p = Pump().getPumps()
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How do I find where an exception was thrown in C++?
...bstdc++.so.6
#1 0x021f2 in std::__throw_bad_weak_ptr () at .../shared_ptr_base.h:76
[...]
terminate called after throwing an instance of 'std::bad_weak_ptr'
what(): bad_weak_ptr
Program received signal SIGABRT, Aborted.
Here's a great blog post wrapping this up: http://741mhz.com/throw-stacktr...
Plot correlation matrix into a graph
...ation matrix, plot it using one of the various tutorials out there.
Using base graphics:
http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/
Using ggplot2:
http://learnr.wordpress.com/2010/01/26/ggplot2-quick-heatmap-plotting/
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Android Studio needs JDK 7 for Android-L mac
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Understanding MongoDB BSON Document size limit
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You can use this method to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.
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MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...db的是B-tree的索引了。要注意的是，一个collection不能超过64个索引，索引的大小不能超过1024字节，其中包括字段名和值和命名空间。
首先创建数据：
db.Indexing.insert( { name : "Denis", age : 20 } )
db.Indexing.insert( { name : "Abe", age : ...
How to make an ImageView with rounded corners?
...anvas [vs xfermode and clippath methods]
I've created a RoundedImageView based off this code that wraps this logic into an ImageView and adds proper ScaleType support and an optional rounded border.
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how to check if a file is a directory or regular file in python? [duplicate]
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Chris B.Chris B.
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