大约有 47,000 项符合查询结果（耗时：0.0632秒） [XML]
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ollowed to solve the problem as following:
Right click on the edmx file, select Open with, XML editor
Locate the entity in the edmx:StorageModels element
Remove the DefiningQuery entirely
Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
Get “Value” property in IGrouping
...
For any selected group,you could call
var selectedGroupValues=selectedGroup.SelectMany(x=>x);
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How to read the Stock CPU Usage data
On Ice Cream Sandwich, an option in the Developer Options is "Show CPU Usage", which adds an overlay on the screen (see screenshot below).
...
Nodejs Event Loop
...s & v8.
I went into a similar problem like you when I tried to understand node.js architecture in order to write native modules.
What I am posting here is my understanding of node.js and this might be a bit off track as well.
Libev is the event loop which actually runs internally in node.js ...
MySQL: What's the difference between float and double?
...INSERT INTO `test` values (1.2,1.2,1.2,1.2);
The table showing like this:
SELECT * FROM `test`;
+------+------+------+------+
| fla | flb | dba | dbb |
+------+------+------+------+
| 1.2 | 1.2 | 1.20 | 1.20 |
+------+------+------+------+
See the difference?
We try to next example:
SELECT ...
Jump to function definition in vim
... mentioned you have to use ctags.
You could also consider using plugins to select appropriate one or to preview the definition of the function under cursor.
Without plugins you will have a headache trying to select one of the hundreds overloaded 'doAction' methods as built in ctags support doesn't ...
How to use conditional breakpoint in Eclipse?
...t editor margin or in the Breakpoints
view in the Debug perspective, and select the breakpoint’s properties.
In the dialog box, check Enable Condition, and enter an arbitrary Java
condition, such as list.size()==0. Now, each time the breakpoint is
reached, the expression is evaluated in th...
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
...database reference to master:
Under the project, right-click References.
Select Add database reference....
Select System database.
Ensure master is selected.
Press OK.
Note that it might take a while for VS to update.
sh...
Database, Table and Column Naming Conventions? [closed]
...lar "entity names" in queries, that's what I would use table aliases for:
SELECT person.Name
FROM People person
A bit like LINQ's "from person in people select person.Name".
As for 2, 3 and 4, I agree with @Lars.
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Adding IN clause List to a JPA Query
...need (...):
@NamedQuery(name = "EventLog.viewDatesInclude",
query = "SELECT el FROM EventLog el WHERE el.timeMark >= :dateFrom AND "
+ "el.timeMark <= :dateTo AND "
+ "el.name IN :inclList")
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