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How to assign bean's property an Enum value in Spring config file?
...N" is that it also works if Spring can't infer the actual type of the enum from the property (e.g. the property's declared type is an interface).Adapted from araqnid's comment.
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Why use apparently meaningless do-while and if-else statements in macros?
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@DawidFerenczy: although both you and me-from-four-and-a-half-years-ago make a good point, we have to live in the real world. Unless we can guarantee that all the if statements, etc, in our code use braces, then wrapping macros like this is a simple way of avoiding ...
Find size of Git repository
...space, merge, aliases, user
details etc.)
stashes (see Can I fetch a stash from a remote repo into a local branch? also)
rerere cache (which can get considerable)
reflogs
backups (from filter-branch, e.g.) and various other things (intermediate
state from rebase, bisect etc.)
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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
...M组件的接口的步骤为：Project->Class Wizard->Add Class->MFC Class From TypeLib，先选择要导入的组件所在的路径，即Excel.exe所在的路径，然后再选择
要导入的Excel类型库中的接口。
在完成接口导入后，VS2010将自动为导入的接口创建相应的...
What is a memory fence?
... in device drivers than application code.
The CPU reordering is different from compiler optimisations - although the artefacts can be similar. You need to take separate measures to stop the compiler reordering your instructions if that may cause undesirable behaviour (e.g. use of the volatile keywo...
lexers vs parsers
...at parsers and lexers have in common:
They read symbols of some alphabet from their input.
Hint: The alphabet doesn't necessarily have to be of letters. But it
has to be of symbols which are atomic for the language
understood by parser/lexer.
Symbols for the lexer: ASCII characters.
Symbols for ...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
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Apart from what Andy mentioned, there is another difference which could be important - write-host directly writes to the host and return nothing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
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Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...he same house, not two separate houses. Any attempts to follow the address from one paper and rearrange the furniture at that house will make it seem that the other house has been modified in the same manner, unless you can explicitly detect that it's actually just one house.
Note This is usually t...
How do I get the current date and time in PHP?
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You can get all the time zone from here Time Zone
– Yousef Altaf
Jan 5 '15 at 12:17
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