大约有 16,000 项符合查询结果（耗时：0.0305秒） [XML]
NSLog with CGPoint data
...first answer is the easiest and lightest weight way. But this gets me both x and y from the CGPoint in one set. Nice :) Great tool :)
– Spanky
Sep 25 '09 at 18:29
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How to center align the cells of a UICollectionView?
... layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
return UIEdgeInsetsMake(0, 100, 0, 0);
}
You will have to play around with that number to figure out how to force the content into a single line. The first 0, is the top edge argument, you could a...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...ll on replacement for JavaScript (though it can produce JavaScript code)
Example
As an example, here's some TypeScript (you can play with this in the TypeScript Playground)
class Greeter {
greeting: string;
constructor (message: string) {
this.greeting = message;
}
greet()...
How to configure Mac OS X term so that git has color? [closed]
I've seen a Mac OS X git demo online in which it's configured to have multiple colors.
6 Answers
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Mac OS X Terminal: Map option+delete to “backward delete word”
... to map it from Preferences -> Settings -> Keyboard, but the "key" combo box has only "forward delete" but no "delete". My keyboard on the other hand has only "delete" and no "forward delete"!
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Extract a dplyr tbl column as a vector
...umn a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iris2 %>% pull(5)
Resulting in...
[1] ...
Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
Set cookie and get cookie with JavaScript [duplicate]
...en I choose a file, it should be saved to a cookie for about a week. The next time you open your HTML file, it should be the previous file you've chosen.
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Ruby - test for array
... count on the variable. Write unit tests to make sure the method works as expected.
– user132447
Mar 21 '12 at 14:55
14
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Getting exact error type in from DbValidationException
...q) and paste in there:
((System.Data.Entity.Validation.DbEntityValidationException)ex).EntityValidationErrors
This will allow you to drill down into the ValidationErrors tree. It's the easiest way I've found to get instant insight into these errors.
For Visual 2012+ users who care only about the...