大约有 48,000 项符合查询结果（耗时：0.0665秒） [XML]
How do I run Asynchronous callbacks in Playground
...
guard let data = data, error == nil else {
print(error ?? "Unknown error")
return
}
let contents = String(data: data, encoding: .utf8)
print(contents!)
}.resume()
PlaygroundPage.current.needsIndefiniteExecution = true
Or in Swift 2:
import UIKit
import XCPlaygro...
How do I append text to a file?
...
I didn't know cat could be used like this! Like writing a journal entry. Also didn't know about what ctrl-d does. Thank you!
– houallet
Aug 15 '18 at 1:10
...
Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
...
Does a const reference class member prolong the life of a temporary?
...x(temp);
cout << sandbox.member << endl;
return 0;
}
Now temp will pass out of scope at the end of main() instead of at the end of the constructor. However, this is bad practice. Your member variable should never be a reference to a variable that exists outside of the instance....
No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
...l-on-empty-beans=false
I'm using Spring Boot v1.3 with Hibernate 4.3
It now serializes the entire object and nested objects.
EDIT: 2018
Since this still gets comments I'll clarify here. This absolutely only hides the error. The performance implications are there. At the time, I needed something...
How do I find and view a TFS changeset by comment text?
..."End" button continuously)
Select all records, copy
Open Excel and paste
Now the Excel will allow you to search through comments (Excel's a native app, don't argue..).
share
|
improve this answer
...
What is an unsigned char?
...2-bit chars, and 32-bit integers, and have sizeof(int) != sizeof(char)? I know the standard says sizeof(char) == 1, but is the relative sizeof(int) based on actual difference in size or the difference in range?
– Joseph Garvin
Jan 11 '09 at 23:21
...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...he problems with the JavaScript-style have been fixed in Ruby 2.2. You can now use quotes if you have symbols that aren't valid labels, for example:
h = { 'where is': 'pancakes house?', '$set': { a: 11 } }
But you still need the hashrocket if your keys are not symbols.
...
How to un-commit last un-pushed git commit without losing the changes
...t those changes are still visible in the history)
git push origin master
now if you want to have those changes as you local changes in your working copy ("so that your local copy keeps the changes made in that commit") - just revert the revert commit with --no-commit option:
git revert --no-commi...
Fastest way to serialize and deserialize .NET objects
... G'day Marc, love the protocol-buffers work you've done and I know this post is almost 5yrs old but the netserializer quoted in an answer here (Binoj) has metrics indicating your implementation isn't the fastest. Is that a fair statement/advertisement or is there a trade off? thanks
...