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...t;context:annotation-config> is used to activate annotations in beans already registered in the application context (no matter if they were defined with XML or by package scanning).
<context:component-scan> can also do what <context:annotation-config> does but <context:component-s...
What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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What is Domain Driven Design?
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So I take from this "read this book" answer that it is impossible to summarise DDD in simply a few paragraphs? How can a design philosophy be so complicated?
– Robin Winslow
Jan 16 '14 at 11:33
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Why use a ReentrantLock if one can use synchronized(this)?
...lso has support for configurable fairness policy, allowing more flexible thread scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not guarantee any p...
How to remove the border highlight on an input text element
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This is an old thread, but for reference it's important to note that disabling an input element's outline is not recommended as it hinders accessibility.
The outline property is there for a reason - providing users with a clear indication of...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...********
* ...
*
* Note that any function invoking protected_file_read()
* assumes responsibility eventually to fclose() its
* return value, UNLESS that value is NULL.
*
********/
FILE *protected_file_read(char *filename)
{
FILE *fp;
fp = fopen(filename, "r");
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How to turn on/off ReactJS 'development mode'?
...(YRMV)
React docs say /dist/react.min.js is optimised for production. I've read no proof that 'process.env': { NODE_ENV: JSON.stringify(IS_PRODUCTION ? 'production' : 'development') } plus uglify does as good a job as '/dist/react.min.js`. I've read no proof you get the same resulting code.
I get 1 ...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
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@andrewb, I read that here; however, that was a year ago. After revisiting the thread, and reading the comments, looks like someone has provided a version that works with VS2015 here.
– Anil Natha
F...
“To Do” list before publishing Android app to market [closed]
I'm just about ready to publish my first app to the Android market, and I'd like to know if any of you have any tips about any experiences you may have encountered in regard to publishing an app that goes beyond the obvious and already documented.
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How can I quantify difference between two images?
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General idea
Option 1: Load both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (like a histogram). Calculate distance between...