大约有 47,000 项符合查询结果（耗时：0.0573秒） [XML]
Learn C first before learning Objective-C [closed]
...also reduces the amount of material that has to be learned (and some of it selectively filtered out) to writing Objective-C programs.
I do agree that you will want to learn most, if not all, of the underlying C features, but many can be deferred until a solid grasp of defining classes and method...
Can an angular directive pass arguments to functions in expressions specified in the directive's att
...ve.html'
};
})
In directive template use it in following way:
<select ng-change="myFunction(selectedAmount)">
And then when you use the directive, pass the function like this:
<data-my-directive
data-my-function="setSelectedAmount">
</data-my-directive>
You pass t...
How can I make Array.Contains case-insensitive on a string array?
...
new[] { "ABC" }.Select(e => e.ToLower()).Contains("abc") // returns true
share
|
improve this answer
|
follow
...
How to read the output from git diff?
...
On my mac:
info diff then select: Output formats -> Context -> Unified format -> Detailed Unified :
Or online man diff on gnu following the same path to the same section:
File: diff.info, Node: Detailed
Unified, Next: Example Unified...
How can I make Visual Studio's build be very verbose?
...
In Visual Studio go to your project and right click on it and select properties. In Linker there is a command line option. There you have all the options and you can add your custom ones. Add /VERBOSE and when linking Visual Studio will show a lot more information.
...
Conditional HTML Attributes using Razor MVC3
...ou actually see:
style=""border:0px""
In Chrome, if you right-click and select Edit HTML, it switch back so you can see those nasty HTML character codes, making it clear you have real outer quotes, and HTML encoded inner quotes.
So the problem with trying to do the quoting yourself is Razor esca...
Does MySQL ignore null values on unique constraints?
... '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This is not true for all databases. SQL Server 2005 and older, for example, only allows a single NULL value in a column that has a unique constraint.
...
How can I see all the issues I'm watching on Github?
...m any page by clicking the notification/bell icon on the top left and then selecting "Managed Notification" > "Subscriptions" from the left menu panel.
share
|
improve this answer
|
...
Annotating text on individual facet in ggplot2
...t;% gather("Vars","Data_1"),
Data2 %>% gather("Vars","Data_2")
) %>% select(-Vars1) -> Data_combined
Data_combined %>%
group_by(Vars) %>%
summarise(r=cor(Data_1,Data_2),
r2=r^2,
p=(pt(abs(r),nrow(.)-2)-pt(-abs(r),nrow(.)-2))) %>%
mutate(rlabel=paste(...
What size should TabBar images be?
...tabBarItem3.title = @"";
tabBarItem4.title = @"";
[tabBarItem1 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"item1-select.png"] scaledToSize:CGSizeMake(x, y)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"item1-deselect.png"] scaledToSize:CGSizeMake(x,...