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How are GCC and g++ bootstrapped?
...version of GCC with the one you just built
(optional) repeat step 2 for verification purposes.
This process is called bootstrapping. It tests the compiler's capability of compiling itself and makes sure that the resulting compiler is built with all the optimizations that it itself implements.
EDI...
Logical operators (“and”, “or”) in DOS batch
...
You can do and with nested conditions:
if %age% geq 2 (
if %age% leq 12 (
set class=child
)
)
or:
if %age% geq 2 if %age% leq 12 set class=child
You can do or with a separate variable:
set res=F
if %hour% leq 6 set res=T
if %hour% geq 22 set ...
Entity Framework - Code First - Can't Store List
...rimitive types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...、OceanBase启动时的使用模式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管理
...
Correct way to use _viewstart.cshtml and partial Razor views?
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If you return PartialView() from your controllers (instead of return View()), then _viewstart.cshtml will not be executed.
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Using comparison operators in Scala's pattern matching system
... 1 => "greater than ten"
case -1 => "less than ten"
})
}
Now, the documentation for scala.math.Ordering.compare(T, T) promises only that the non-equal outcomes will be greater than or less than zero. Java's Comparable#compareTo(T) is specified similarly to Scala's. It happens to be...
How to free memory in Java?
...s.
Not recommended.
Edit: I wrote the original response in 2009. It's now 2015.
Garbage collectors have gotten steadily better in the ~20 years Java's been around. At this point, if you're manually calling the garbage collector, you may want to consider other approaches:
If you're forcing G...
Git command to show which specific files are ignored by .gitignore
... What version of git are you using? Mine (1.7.0.4) says error: unknown option 'ignored'. Even adding -s as suggested in linked post didn't work.
– Alexander Bird
Oct 25 '12 at 21:49
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Split files using tar, gz, zip, or bzip2 [closed]
...ermediate large file when (de)compressing. Use the tar -C option to use a different directory for the resulting files. btw if the archive consists from only a single file, tar could be avoided and only gzip used:
# create archives
$ gzip -c my_large_file | split -b 1024MiB - myfile_split.gz_
# unco...
Cannot delete or update a parent row: a foreign key constraint fails
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If you were going to do this, why not just remove all of the constraints?
– Sablefoste
Jun 7 '16 at 12:23
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