大约有 47,000 项符合查询结果（耗时：0.0373秒） [XML]
When would I need a SecureString in .NET?
...
After 11 years, this answer looks now to be the 'new' correct one. The links seem to be going stale but guidance from MS is: SecureString shouldn't be used
– Richard Morgan
Jul 5 '19 at 11:24
...
Unit testing code with a file system dependency
...
Yay! Now it's testable; I can feed in test doubles (mocks) to the DoIt method. But at what cost? I've now had to define 3 new interfaces just to make this testable. And what, exactly, am I testing? I'm testing that my DoIt functio...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...
Update: PortableApps now offers a portable version of the Java JDK.
– Stevoisiak
Sep 5 '17 at 17:03
|...
jQuery date/time picker [closed]
... "VERY buggy"? Hardly. I use it in production code, and have for a while now. It's also actively developed.
– Sonny
Jan 6 '11 at 15:16
7
...
JPA CascadeType.ALL does not delete orphans
... all child elements
delete main row
close session
With JPA 2.0, you can now use the option orphanRemoval = true
@OneToMany(mappedBy="foo", orphanRemoval=true)
share
|
improve this answer
...
Recompile Heroku slug without push or config change
...oned such a command, so I'm presuming your answer is spot on, at least for now. Thanks!
– Nathan
Mar 21 '12 at 2:50
1
...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...un Docker build on various files which previously worked before, which are now no longer working.
14 Answers
...
Why are Oracle table/column/index names limited to 30 characters?
...understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
...
Using the Swift if let with logical AND operator &&
We know that we can use an if let statement as a shorthand to check for an optional nil then unwrap.
6 Answers
...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
...