大约有 42,000 项符合查询结果（耗时：0.0724秒） [XML]
Bad class file magic or version
I already know that question has been already asked very often and answers, but no one of the answers i found fixed my problem.
...
Swift class introspection & generics
...ype is a declaration but MyObject.self is a factory method (can be called) and myObject is a variable containing a reference to a factory method. The call myObject() would produce an instance of class MyObject. It would be better example if the name of myObject variable was myObjectFactory?
...
Where is array's length property defined?
... method clone, which overrides the method of the same name in class Object and throws no checked exceptions. The return type of the clone method of an array type T[] is T[].
A clone of a multidimensional array is shallow, which is to say that it creates only a single new array. Subarrays are sh...
How to return a result (startActivityForResult) from a TabHost Activity?
...
Oh, god! After spending several hours and downloading the Android sources, I have finally come to a solution.
If you look at the Activity class, you will see, that finish() method only sends back the result if there is a mParent property set to null. Otherwise t...
Callback of .animate() gets called twice jquery
...mate on:
If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis...
Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is animating two element...
How to detect the physical connected state of a network cable/connector?
...
grep "" eth0/* is so elegant and easy, thanks! :) With the -s switch grep will not complain about the directories.
– Ray
Apr 10 '15 at 10:17
...
How can I generate a list or array of sequential integers in Java?
Is there a short and sweet way to generate a List<Integer> , or perhaps an Integer[] or int[] , with sequential values from some start value to an end value?
...
PHP namespaces and “use”
I am having a little trouble with namespaces and the use statements.
2 Answers
2
...
How to run only one task in ansible playbook?
... part of the configuration without running the whole playbook.
Both plays and tasks support a “tags:” attribute for this reason.
Example:
tasks:
- yum: name={{ item }} state=installed
with_items:
- httpd
- memcached
tags:
- packages
- template:...
How do I query using fields inside the new PostgreSQL JSON datatype?
I am looking for some docs and/or examples for the new JSON functions in PostgreSQL 9.2.
3 Answers
...