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How do you 'redo' changes after 'undo' with Emacs?
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edited Nov 6 '14 at 3:00
answered Aug 19 '10 at 23:50
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Convenient C++ struct initialisation
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edited Jul 25 '19 at 10:34
answered Aug 23 '18 at 15:39
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How do I find where JDK is installed on my windows machine?
...which java
/usr/bin/java
$ ls -l /usr/bin/java
lrwxr-xr-x 1 root wheel 74 Nov 7 07:59 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
If you are using Windows:
c:\> for %i in (java.exe) do @echo. %~$PATH:i
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Append lines to a file using a StreamWriter
...riter constructor you choose if you append the file, or overwrite it.
C# 4 and above offers the following syntax, which some find more readable:
new StreamWriter("c:\\file.txt", append: true);
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Modulo operation with negative numbers
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edited Nov 24 '16 at 10:41
answered Jul 30 '12 at 11:43
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2016年最适合小投资的10个创业项目 - 资讯 - 清泛网 - 专注C/C++及内核技术
...压牌(把照片用压牌机压到装饰牌上即可)20个，每个获利4元计，则日营业额即为260元，月收益7800年，年毛利93600元。
营销建议：这类照相吧的主要消费者是中小学生及年轻人，因此店址应选在校园周围，影剧院或娱乐场所、公...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
.../details/18716559
http://www.cnblogs.com/xianyunhe/archive/2011/09/25/2190485.html
http://blog.sina.com.cn/s/blog_6e51df7f01015cci.html
感谢原作者的无私奉献。
通过VC实现对Excel表格的操作的方法有多种，如：通过ODBC数据库实现，通过解析Excel表格文件，...
Hidden Features of C#? [closed]
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Quick Way to Implement Dictionary in C
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edited Dec 22 '14 at 15:21
lifebalance
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Length of string in bash
...yvar}" $chrlen $bytlen
will render:
Généralités is 11 char len, but 14 bytes len.
you could even have a look at stored chars:
myvar='Généralités'
chrlen=${#myvar}
oLang=$LANG oLcAll=$LC_ALL
LANG=C LC_ALL=C
bytlen=${#myvar}
printf -v myreal "%q" "$myvar"
LANG=$oLang LC_ALL=$oLcAll
printf ...