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How to set a default value for an existing column
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MSSQL is weird for calling default values "constraints". If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer.
– Roman Starkov
May 11 '13 at 12:06
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Get record counts for all tables in MySQL database
Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table?
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WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
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参考資料:
http://www.windbg.info/download/doc/pdf/WinDbg_A_to_Z_color_JP.pdf
①PDB設定
.sympath
.sympath SRV*c:\symbols*http://msdl.microsoft.com/download/symbols;c:\Symbols\mydll
環境変数:
_NT_SYMBOL_PATH
SRV*C:\Symbols*http://msdl.microsoft.com/download/symbol...
Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
18
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Finding most changed files in Git
...da591031936f35d80e14a42ca7ba4350 It aggregates changes by folder, specifically by each folder in the roles directory for my case but is easily modified to fit your use case.
– Almenon
Nov 22 '19 at 19:26
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Initialize a nested struct
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@GauravOjha not all the way, but something like play.golang.org/p/n24BD3NlIR
– OneOfOne
Jan 30 '17 at 15:07
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Prototypical inheritance - writing up [duplicate]
...bob and ben
The member walk is part of Person.prototype and is shared for all instances bob and ben are instances of Person so they share the walk member (bob.walk===ben.walk).
bob.walk();ben.walk();
Because walk() could not be found on bob directly JavaScript will look for it in the Person.prot...
Shall we always use [unowned self] inside closure in Swift
... in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated ...
Order data frame rows according to vector with specific order
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I prefer to use ***_join in dplyr whenever I need to match data. One possible try for this
left_join(data.frame(name=target),df,by="name")
Note that the input for ***_join require tbls or data.frame
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Does Java SE 8 have Pairs or Tuples?
..., value[i]) , then filter based on the second value[i] element, and finally output just the indices.
9 Answers
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