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Print newline in PHP in single quotes
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145
No, because single-quotes even inhibit hex code replacement.
echo 'Hello, world!' . "\xA";
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Android Eclipse - Could not find *.apk
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24 Answers
24
Active
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Image Segmentation using Mean Shift explained
...sewhere.
Let's look at the center of your matrix:
153 153 153 153
147 96 98 153
153 97 96 147
153 153 147 156
With reasonable choices for radius and distance, the four center pixels will get the value of 97 (their mean) and will be different form the adjacent pixels.
Le...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
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answered Jan 3 '11 at 12:44
Shakti SinghShakti Singh
75.1k1818 gold badges125125 silver badges147147 bronze badges
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Is there a Mutex in Java?
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See this page: http://www.oracle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mutex.release();
}
} catch(InterruptedException ie) {
//...
Postgresql 9.2 pg_dump version mismatch
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edited Sep 27 '13 at 13:45
ljs.dev
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answered Oc...
Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...遇到一个，实在太坑了，工厂反馈的bug，100台中大概出现4台，系统升级过程中部分配置没有生效，导致升级上来，系统直接异常，而且完全没有有效的 log。
对于此类概率性问题，之前其实已经有处理过一些，大部分原因都是...
Fastest check if row exists in PostgreSQL
... way you expect.
– isaaclw
Jun 10 '14 at 23:18
1
I have Seq Scan with using this method. I do som...
Sql Server equivalent of a COUNTIF aggregate function
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342
You could use a SUM (not COUNT!) combined with a CASE statement, like this:
SELECT SUM(CASE WH...
View a list of recent documents in Vim
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Lucas Pottersky
1,48444 gold badges1717 silver badges3232 bronze badges
answered Jan 8 '11 at 12:27
Alex BolotovAlex Bo...