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Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...没有实际运行SQL，所以Binlog记录的是Row格式。
SQL原型：SELECT id, a, b FROM test.t WHERE id = 1 LIMIT 1
shell> telnet localhost 9999
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
P 1 test t PRIMARY id,a,b
0 1
1 = ...
Entity Framework - Include Multiple Levels of Properties
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For EF 6
using System.Data.Entity;
query.Include(x => x.Collection.Select(y => y.Property))
Make sure to add using System.Data.Entity; to get the version of Include that takes in a lambda.
For EF Core
Use the new method ThenInclude
query.Include(x => x.Collection)
.ThenIncl...
How to cut an entire line in vim and paste it?
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Pressing Shift+v would select that entire line and pressing d would delete it.
You can also use dd, which is does not require you to enter visual mode.
share
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Bundler: Command not found
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My solution was to make sure I selected a version of Ruby for that repo.
Example: chruby 2.2.2 or rvm use 2.2.2
λ bundle install
zsh: command not found: bundle
λ ruby -v
ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]
### Notice the system ...
Android add placeholder text to EditText
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In Android Studio you can add Hint (Place holder) through GUI. First select EditText field on designer view. Then Click on Component Tree Left side of IDE (Normally it's there, but it may be there minimized) There you can see Properties of selected EditText. Find Hint field as below Image
T...
IndexOf function in T-SQL
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CHARINDEX is what you are looking for
select CHARINDEX('@', 'someone@somewhere.com')
-----------
8
(1 row(s) affected)
-or-
select CHARINDEX('c', 'abcde')
-----------
3
(1 row(s) affected)
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Android Studio Collapse definitions and methods
... the keyboard shortcuts for these open Settings (File -> Settings) then select Keymap under IDE Settings. Now type folding into the search box (top right). Setup the keyboard shortcut for the various folding actions :)
sh...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...ur question. If you click on the link you will see the reasons those users selected.
– Aaron Bertrand
Jun 23 '12 at 17:13
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How to determine MIME type of file in android?
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If the media is selected from android gallery then TYPE is returned. If selected from File Manager then null is returned.
– Rahul Rastogi
Aug 27 '14 at 12:34
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How to download source in ZIP format from GitHub?
... under the Code tab:
If you don't see the button:
Make sure you've selected <> Code tab from right side navigation menu, or
Repo may not have a zip prepared. Add /archive/master.zip to the end of the repository URL and to generate a zipfile of the master branch:
http://github.com/use...