大约有 34,900 项符合查询结果(耗时:0.0505秒) [XML]
Environment variables in Mac OS X
Update: The link below does not have a complete answer . Having to set the path or variable in two places (one for GUI and one for shell) is lame.
...
How can I make SQL case sensitive string comparison on MySQL?
...ase insensitive by default. This means that if you search with col_name LIKE 'a%', you get all column values that start with A or a. To make this search case sensitive, make sure that one of the operands has a case sensitive or binary collation. For example, if you are comparing a column and a stri...
Converting ISO 8601-compliant String to java.util.Date
...e not ISO 8601 compliant. SimpleDateFormat understands time zone strings like "GMT+01:00" or "+0100", the latter according to RFC # 822.
Even if Java 7 added support for time zone descriptors according to ISO 8601, SimpleDateFormat is still not able to properly parse a complete date string, as it h...
How to check if anonymous object has a method?
How can I check if an anonymous object that was created as such:
6 Answers
6
...
In Git, how can I write the current commit hash to a file in the same commit
I'm trying to do a fancy stuff here with Git hooks, but I don't really know how to do it (or if it's possible).
7 Answers
...
Add only non-whitespace changes
...-zero -
Update
Added options -U0, and --unidiff-zero respectively to workaround context matching issues, according to this comment.
Basically it applies the patch which would be applied with add without whitespace changes. You will notice that after a git addnw your/file there will still be unst...
@Override is not allowed when implementing interface method
...
If your project has multiple modules, also check that every module uses language level 6 or above, or use the project's language level (see Project Settings > Modules > xxx > Language level).
You may need to reload your project once it is modified.
...
Is it bad practice to make a setter return “this”?
Is it a good or bad idea to make setters in java return "this"?
27 Answers
27
...
Difference between object and class in Scala
...that are not associated with instances of some class.
object O extends T makes the object O an instance of trait T; you can then pass O anywhere, a T is expected.
if there is a class C, then object C is the companion object of class C; note that the companion object is not automatically an instance ...
What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
29
...