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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
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NRU_CMU_DISK_SIZE_NOTIFY2008 anaconda-ks.cfg install.log install.log.syslog
显示名称以“.”开头的隐藏文件
[root@KEDACOM ~]# ls -a
.bash_histor .bash_profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install.log .bash_logout .mysql_history.TMP .tcshrc anaconda-ks.cfg
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Why don't Java Generics support primitive types?
...a = (ClassA)list.get(0);
So, anything that is used as generics has to be convertable to Object (in this example get(0) returns an Object), and the primitive types aren't. So they can't be used in generics.
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...thout the need for a php.exe.
To do the feasibility study for a PHP to C converter
The extension is available from PECL.
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Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
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Converting to another palette is a far superior way to do this. There's a reason they do that: other palettes are 'perceptual' - that is, they put similar seeming colors close together, and adjusting one variable changes the ...
How to automatically generate a stacktrace when my program crashes
...used ones, to the dynamic symbol table. This allows backtrace_symbols() to convert addresses to function names
– jschmier
Mar 26 '10 at 20:00
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Why doesn't String switch statement support a null case?
...alueOf() allows you to use a null String in a switch. If it finds null, it converts it to "null", otherwise it just returns the same String you passed it. If you don't handle "null" explicitly, then it will go to default. The only caveat is that there is no way of distinguishing between the String "...
Can overridden methods differ in return type?
...s a reference type then:
R1 is either a subtype of R2 or R1 can be converted to a subtype of R2 by unchecked conversion (§5.1.9), or
R1 = |R2|
("|R2|" refers to the erasure of R2, as defined in §4.6 of the JLS.)
* Prior to Java 5, Java had invariant return types, which meant t...
How can I get the actual stored procedure line number from an error message?
...:
'Ms Sql Server Error: - ' + ERROR_MESSAGE() + ' - Error occured at: ' + CONVERT(VARCHAR(20), ERROR_LINE())
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Exotic architectures the standards committees care about
...ters (including void*) always had the same size. (Of course, you couldn't convert a function pointer to void*, since void* might be smaller. But according to the standard, you can't do that today, either.)
– James Kanze
Aug 7 '11 at 22:54
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Find a value anywhere in a database
...(
'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(CONVERT(varchar(max), ' + @ColumnName + '), 3630)
FROM ' + @TableName + ' (NOLOCK) ' +
' WHERE CONVERT(varchar(max), ' + @ColumnName + ') LIKE ' + @SearchStr2
)
END
END...